Pub Date : 2025-07-18DOI: 10.1016/j.palwor.2025.200993
Michael S. Engel
New parasitoid wasps of the superfamily Ceraphronoidea are systematically described and figured in various Cretaceous and Cenozoic ambers, ranging in age from Barremian (Early Cretaceous) to Ypresian (early Eocene). A new family, putatively a stem group to Megaspilidae + Ceraphronidae, is described from a single female in Barremian amber from Lebanon. Ceospilidae n. fam., currently including only the type genus and species — Ceospilus phoenicius n. gen., n. sp. — are distinguished from other ceraphronoids. Two new species of Megaspilidae are described: Conostigmus novacaesarea n. sp. from the Turonian amber of New Jersey, USA and Dendrocerus ypresicus n. sp. from the Ypresian amber of Gujarat, India.
在白垩纪和新生代的各种琥珀中，系统地描述和描绘了从巴雷米期（早白垩世）到伊波斯期（早始新世）的新寄生蜂超科。黎巴嫩巴雷米亚琥珀中一只雌性琥珀中发现了一个新家族，被认为是巨蛛科+蠓科的主干群。蜘蛛科；目前仅包括模式属和种（Ceospilus phoenicius n. gen., n. sp.）与其他蠓类有区别。报道了两种巨蛛科新种：美国新泽西州Turonian琥珀中的Conostigmus novacaesarea n. sp.和印度古吉拉特邦伊波斯琥珀中的Dendrocerus ypresicus n. sp.。
{"title":"New ceraphronoid wasps in Cretaceous and Cenozoic ambers from Lebanon, New Jersey, and India (Hymenoptera: Ceraphronoidea)","authors":"Michael S. Engel","doi":"10.1016/j.palwor.2025.200993","DOIUrl":"10.1016/j.palwor.2025.200993","url":null,"abstract":"<div><div>New parasitoid wasps of the superfamily Ceraphronoidea are systematically described and figured in various Cretaceous and Cenozoic ambers, ranging in age from Barremian (Early Cretaceous) to Ypresian (early Eocene). A new family, putatively a stem group to Megaspilidae + Ceraphronidae, is described from a single female in Barremian amber from Lebanon. Ceospilidae n. fam., currently including only the type genus and species — <em>Ceospilus phoenicius</em> n. gen., n. sp. — are distinguished from other ceraphronoids. Two new species of Megaspilidae are described: <em>Conostigmus novacaesarea</em> n. sp. from the Turonian amber of New Jersey, USA and <em>Dendrocerus ypresicus</em> n. sp. from the Ypresian amber of Gujarat, India.</div></div>","PeriodicalId":48708,"journal":{"name":"Palaeoworld","volume":"34 6","pages":"Article 200993"},"PeriodicalIF":1.7,"publicationDate":"2025-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145418042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-07-17DOI: 10.1016/j.palwor.2025.200992
Shan-Chi Peng , Loren E. Babcock , Xian-Feng Yang , Tao Dai , Xue-Jian Zhu
A new species of damesellid trilobite, Bergeronites leishuae n. sp., is described from the Fulu Biota in the Longha Formation (Cambrian, Guzhangian), southeastern Yunnan Province, South China. Bergeronites leishuae is common in the Fulu Lagerstätte and represented by both disarticulated sclerites and the first complete exoskeletons recorded for the genus. Together, these remains allow for a more thorough understanding of the morphology of this distinctive trilobite genus, both dorsally and ventrally. The new material also allows for further differential comparisons with other species previously assigned to Bergeronites. Specimens showing the ventral cephalic morphology reveal the presence of a short connective suture immediately flanking the sagittal line of the doublure, and a thin, ridge-like rostral plate. They also show the hypostome to be in conterminant condition. Ontogenetic material of B. leishuae is known from meraspid degree 6 through the holaspid stage; it includes the first meraspid-stage specimens known for Bergeronites. As presently known, the geographic distribution of Bergeronites is restricted to the East Asian sector of Gondwana (North China, South China, and Vietnam).
云南东南部古章县龙沙组富鲁生物群中记述了一新种淑女三叶虫bergerites leishuae n. sp.。bergerites leishuae在Fulu Lagerstätte中很常见，以分离的硬骨和首次记录的完整外骨骼为代表。总之，这些遗骸允许更彻底地了解这种独特的三叶虫属的形态，包括背侧和腹侧。新材料也允许进一步的差异比较与其他物种以前分配给Bergeronites。标本显示头侧腹侧形态，在双侧矢状线的侧面有一条短的结缔组织缝合线，以及一薄的脊状吻侧板。它们还表明假设处于定常状态。利沙白螺旋体的个体发生物质已知于6级到全圆螺旋体阶段；它包括第一个以Bergeronites闻名的meraspid阶段的标本。正如目前所知，Bergeronites的地理分布仅限于冈瓦纳的东亚地区（华北、华南和越南）。
{"title":"A new species of Bergeronites (Trilobita, Damesellidae, Bergeronitinae) from the Longha Formation (Cambrian, Guzhangian) in southeastern Yunnan, South China","authors":"Shan-Chi Peng , Loren E. Babcock , Xian-Feng Yang , Tao Dai , Xue-Jian Zhu","doi":"10.1016/j.palwor.2025.200992","DOIUrl":"10.1016/j.palwor.2025.200992","url":null,"abstract":"<div><div>A new species of damesellid trilobite, <em>Bergeronites leishuae</em> n. sp., is described from the Fulu Biota in the Longha Formation (Cambrian, Guzhangian), southeastern Yunnan Province, South China. <em>Bergeronites leishuae</em> is common in the Fulu Lagerstätte and represented by both disarticulated sclerites and the first complete exoskeletons recorded for the genus. Together, these remains allow for a more thorough understanding of the morphology of this distinctive trilobite genus, both dorsally and ventrally. The new material also allows for further differential comparisons with other species previously assigned to <em>Bergeronites</em>. Specimens showing the ventral cephalic morphology reveal the presence of a short connective suture immediately flanking the sagittal line of the doublure, and a thin, ridge-like rostral plate. They also show the hypostome to be in conterminant condition. Ontogenetic material of <em>B</em>. <em>leishuae</em> is known from meraspid degree 6 through the holaspid stage; it includes the first meraspid-stage specimens known for <em>Bergeronites</em>. As presently known, the geographic distribution of <em>Bergeronites</em> is restricted to the East Asian sector of Gondwana (North China, South China, and Vietnam).</div></div>","PeriodicalId":48708,"journal":{"name":"Palaeoworld","volume":"34 6","pages":"Article 200992"},"PeriodicalIF":1.7,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145418147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-07-16DOI: 10.1016/j.palwor.2025.200990
Sergio Álvarez-Parra , Sibelle Maksoud
Scolebythidae are a family within the Chrysidoidea characterized by their peculiar structure of the mesosoma, with the propleura exposed dorsally and the protrochanters inserted laterally on the procoxae. The family is represented by only nine extant species, which are found in tropical and subtropical forests around the world. Some of these species show evidence of an idiobiont ectoparasitoidism behavior on wood-boring beetle larvae of the families Cerambycidae and Ptinidae. Here, we describe Pachycephalopenesia eximia n. gen. n. sp. from the Early Cretaceous (Barremian) amber-bearing outcrop of Beqaa Kafra, in North Lebanon. This new genus is characterized by the presence of a striking protuberance on the frons between the compound eyes and extending from the antennal sockets to the ocelli, which is unique in the family so far. This finding proves that the morphological disparity in Scolebythidae is higher than previously thought. An updated checklist of the fossil scolebythid species and a key to the species from the Lebanese amber are included.
棘棘科是棘总科中的一个科，以其独特的介膜结构为特征，前胸膜背向外露，前棘突向外侧插入。该科仅存9种，分布在世界各地的热带和亚热带森林中。其中部分种对天牛科和天牛科蛀木甲虫幼虫有特殊的体外寄生行为。本文描述了黎巴嫩北部Beqaa Kafra早白垩世（巴雷米亚）含琥珀露头的Pachycephalopenesia eximia n. gen. n. sp。这个新属的特点是在复眼之间的双翅上有一个突出的突起，从触角窝延伸到眼眼，这在这个科中是独一无二的。这一发现证明了头蝗科的形态差异比以前认为的要大。包括一份更新的化石脊椎动物物种清单和黎巴嫩琥珀物种的钥匙。
{"title":"A thick-headed scolebythid wasp (Hymenoptera: Scolebythidae) from the Early Cretaceous Lebanese amber","authors":"Sergio Álvarez-Parra , Sibelle Maksoud","doi":"10.1016/j.palwor.2025.200990","DOIUrl":"10.1016/j.palwor.2025.200990","url":null,"abstract":"<div><div>Scolebythidae are a family within the Chrysidoidea characterized by their peculiar structure of the mesosoma, with the propleura exposed dorsally and the protrochanters inserted laterally on the procoxae. The family is represented by only nine extant species, which are found in tropical and subtropical forests around the world. Some of these species show evidence of an idiobiont ectoparasitoidism behavior on wood-boring beetle larvae of the families Cerambycidae and Ptinidae. Here, we describe <em>Pachycephalopenesia eximia</em> n. gen. n. sp. from the Early Cretaceous (Barremian) amber-bearing outcrop of Beqaa Kafra, in North Lebanon. This new genus is characterized by the presence of a striking protuberance on the frons between the compound eyes and extending from the antennal sockets to the ocelli, which is unique in the family so far. This finding proves that the morphological disparity in Scolebythidae is higher than previously thought. An updated checklist of the fossil scolebythid species and a key to the species from the Lebanese amber are included.</div></div>","PeriodicalId":48708,"journal":{"name":"Palaeoworld","volume":"34 6","pages":"Article 200990"},"PeriodicalIF":1.7,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145418051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-07-16DOI: 10.1016/j.palwor.2025.200991
Artai A. Santos , Stephen Mcloughlin , André Nel
A new roachoid species, Necymylacris sinica n. sp., is described from the lower Permian (Asselian, Cisuralian) Shanxi Formation in the Qinshui Basin, North China, based on a partially preserved forewing. This discovery represents the second record of the family Necymylacridae in China and the first from the Shanxi Formation in the Qinshui Basin. The holotype was found co-preserved with a low-diversity assemblage of 14 plant taxa (among 263 fossil-plant specimens), dominated by cordaitalean leaves (Cordaites principalis and Cordaites sp.) and pteridophytes (morphogenera Pecopteris spp.), with lesser proportions of sphenophytes, lycophytes, and seed ferns. The fossil flora and regional geological data suggest a warm, humid, low-diversity forest ecosystem in non-seasonal climates of palaeotropical Cathaysia. Evidence of plant-insect interactions, such as margin feeding, hole feeding, piercing and sucking, galling, oviposition, and seed predation, reveals that a diverse array of herbivorous insects with varying feeding strategies inhabited the Permian palaeoforest of the Qinshui Basin. These findings provide new information about the ecological complexity of early Permian palaeotropical forests during the peak of the Late Paleozoic Ice Age and new insights into the palaeoecology and biodiversity of Cathaysia during this period. The study underscores the importance of historical collections, such as those at the Swedish Museum of Natural History, in advancing our understanding of ancient ecosystems. Taxonomically, Stephanotermopsis rodendorfiLaurentiaux, 1966 is transferred into the family Necymylacridae.
{"title":"A new representative of the roachoid family Necymylacridae (stem group Dictyoptera) and associated vegetation with insect interactions from the Shanxi Formation (lower Permian), China","authors":"Artai A. Santos , Stephen Mcloughlin , André Nel","doi":"10.1016/j.palwor.2025.200991","DOIUrl":"10.1016/j.palwor.2025.200991","url":null,"abstract":"<div><div>A new roachoid species, <em>Necymylacris sinica</em> n. sp., is described from the lower Permian (Asselian, Cisuralian) Shanxi Formation in the Qinshui Basin, North China, based on a partially preserved forewing. This discovery represents the second record of the family Necymylacridae in China and the first from the Shanxi Formation in the Qinshui Basin. The holotype was found co-preserved with a low-diversity assemblage of 14 plant taxa (among 263 fossil-plant specimens), dominated by cordaitalean leaves (<em>Cordaites principalis</em> and <em>Cordaites</em> sp.) and pteridophytes (morphogenera <em>Pecopteris</em> spp.), with lesser proportions of sphenophytes, lycophytes, and seed ferns. The fossil flora and regional geological data suggest a warm, humid, low-diversity forest ecosystem in non-seasonal climates of palaeotropical Cathaysia. Evidence of plant-insect interactions, such as margin feeding, hole feeding, piercing and sucking, galling, oviposition, and seed predation, reveals that a diverse array of herbivorous insects with varying feeding strategies inhabited the Permian palaeoforest of the Qinshui Basin. These findings provide new information about the ecological complexity of early Permian palaeotropical forests during the peak of the Late Paleozoic Ice Age and new insights into the palaeoecology and biodiversity of Cathaysia during this period. The study underscores the importance of historical collections, such as those at the Swedish Museum of Natural History, in advancing our understanding of ancient ecosystems. Taxonomically, <em>Stephanotermopsis rodendorfi</em> <span><span>Laurentiaux, 1966</span></span> is transferred into the family Necymylacridae.</div></div>","PeriodicalId":48708,"journal":{"name":"Palaeoworld","volume":"34 6","pages":"Article 200991"},"PeriodicalIF":1.7,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145418148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-07-16DOI: 10.1016/j.palwor.2025.200989
Glenn A. Brock , Zhi-Liang Zhang , Patrick M. Smith
The Ninmaroo Formation is a thick succession of richly fossiliferous carbonates that straddles the Cambrian (Furongian, Stage 10)–Lower Ordovician (Tremadocian, Tr1) boundary in the vicinity of Black Mountain (Mount Unbunmaroo) in western Queensland. Abundant, relatively coarsely silicified specimens of a plectorthoid brachiopod recovered from the lower Corrie Member of the Ninmaroo Formation type section are taxonomically described as a new species, Apheoorthis talenti n. sp. The stratigraphic level hosting the brachiopods occurs above the first occurrence, but within the biostratigraphic range, of the important age-diagnostic conodont species Cordylodus lindstromi which represents the upper Furongian Series (Stage 10) globally. In the Australian context, the new brachiopod occurs in the basal Warendan regional stage. Brachiopods are rare in Furongian rocks from Australia, making A. talenti n. sp. one of very few Cambrian Stage 10 rhynchonelliform brachiopods described from Australia.
Ninmaroo组是位于昆士兰州西部Black Mountain （Mount Unbunmaroo）附近的寒武纪（Furongian，第10阶段）-下奥陶统（Tremadocian, Tr1）边界上的一层厚层富含化石的碳酸盐岩。在Ninmaroo组下Corrie段发现了大量硅化程度相对较粗的钩形腕足动物标本，并将其分类为一个新种Apheoorthis talenti n. sp。该腕足动物所在的地层水平高于代表全球上弗洛隆统（第10期）的重要牙形刺物种Cordylodus lindstromi的第一次出现，但在生物地层范围内。在澳大利亚的背景下，新的腕足动物发生在瓦伦丹地区的基础阶段。腕足类动物在澳大利亚富龙纪岩石中极为罕见，使A. talenti n. sp成为澳大利亚为数不多的寒武世10期纹粒状腕足类动物之一。
{"title":"A new silicified plectorthoid brachiopod from the upper Furongian (Stage 10) Ninmaroo Formation at Black Mountain, western Queensland, Australia","authors":"Glenn A. Brock , Zhi-Liang Zhang , Patrick M. Smith","doi":"10.1016/j.palwor.2025.200989","DOIUrl":"10.1016/j.palwor.2025.200989","url":null,"abstract":"<div><div>The Ninmaroo Formation is a thick succession of richly fossiliferous carbonates that straddles the Cambrian (Furongian, Stage 10)–Lower Ordovician (Tremadocian, Tr1) boundary in the vicinity of Black Mountain (Mount Unbunmaroo) in western Queensland. Abundant, relatively coarsely silicified specimens of a plectorthoid brachiopod recovered from the lower Corrie Member of the Ninmaroo Formation type section are taxonomically described as a new species, <em>Apheoorthis talenti</em> n. sp. The stratigraphic level hosting the brachiopods occurs above the first occurrence, but within the biostratigraphic range, of the important age-diagnostic conodont species <em>Cordylodus lindstromi</em> which represents the upper Furongian Series (Stage 10) globally. In the Australian context, the new brachiopod occurs in the basal Warendan regional stage. Brachiopods are rare in Furongian rocks from Australia, making <em>A</em>. <em>talenti</em> n. sp. one of very few Cambrian Stage 10 rhynchonelliform brachiopods described from Australia.</div></div>","PeriodicalId":48708,"journal":{"name":"Palaeoworld","volume":"35 1","pages":"Article 200989"},"PeriodicalIF":1.7,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145929073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-07-08DOI: 10.1016/j.palwor.2025.200987
Jorge Villegas-Martín , Leslie M.E. Manríquez , Bruna C. Schneider , Gerson Fauth , Rodrigo do Monte Guerra , Rodrigo S. Horodyski , Karlos G.D. Kochhann
A large Apectoichnus longissimus boring is described from a log fragment preserved in deposits of the lower Eocene La Meseta Formation on Seymour Island, Antarctic Peninsula. The boring is interpreted to have been made by marine bivalves, probably teredinids. The relationship that exists between wood boring size and bivalve body size suggests that this animal achieved a body diameter exceeding that of the majority of known wood-boring teredinids. We attribute these borings to the possible activity of the giant teredinid Kuphus, which reaches the greatest length of any extant bivalves and produces borings with similar morphology to A. longissimus, as demonstrated by the extant Kuphus polythalamius. Thus, this record in the La Meseta deposits may provide a crucial early behavioral record of possible wood colonization by some enigmatic and rare species of this giant teredinid bivalve genus, at least, during the Eocene, and extending their geographic range to the Antarctic Peninsula.
{"title":"An uncommon large Eocene wood boring from the Antarctic Peninsula: Evidence of a giant teredinid bivalve?","authors":"Jorge Villegas-Martín , Leslie M.E. Manríquez , Bruna C. Schneider , Gerson Fauth , Rodrigo do Monte Guerra , Rodrigo S. Horodyski , Karlos G.D. Kochhann","doi":"10.1016/j.palwor.2025.200987","DOIUrl":"10.1016/j.palwor.2025.200987","url":null,"abstract":"<div><div>A large <em>Apectoichnus longissimus</em> boring is described from a log fragment preserved in deposits of the lower Eocene La Meseta Formation on Seymour Island, Antarctic Peninsula. The boring is interpreted to have been made by marine bivalves, probably teredinids. The relationship that exists between wood boring size and bivalve body size suggests that this animal achieved a body diameter exceeding that of the majority of known wood-boring teredinids. We attribute these borings to the possible activity of the giant teredinid <em>Kuphus</em>, which reaches the greatest length of any extant bivalves and produces borings with similar morphology to <em>A</em>. <em>longissimus</em>, as demonstrated by the extant <em>Kuphus polythalamius</em>. Thus, this record in the La Meseta deposits may provide a crucial early behavioral record of possible wood colonization by some enigmatic and rare species of this giant teredinid bivalve genus, at least, during the Eocene, and extending their geographic range to the Antarctic Peninsula.</div></div>","PeriodicalId":48708,"journal":{"name":"Palaeoworld","volume":"34 6","pages":"Article 200987"},"PeriodicalIF":1.7,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145418151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-07-08DOI: 10.1016/j.palwor.2025.200988
Jian-Ye Chen , Jun Liu
In the Triassic of North China and Xinjiang, fossils of temnospondyls are common but fragmentary; no specimens have been confidently assigned to the genus level. Recently, a well-preserved temnospondyl skull with mandible was collected from the Heshanggou Formation of Jungar Banner, Nei Mongol, and a new taxon, Huangfuchuansuchus haojiamaoensis n. gen. n. sp. is established based on this specimen. The new taxon is diagnosed by bilobed anterior palatal vacuity with smoothly convex posterior margin, V-shaped transvomerine tooth rows, a shallow notch on the lateral margin of the subtemporal window, cultriform process extension approaching only anterior margin of interpterygoid vacuities, crista muscularis of the parasphenoid confluent in mid-line and anteromedial-posterolaterally positioned. It shows some features of Benthosuchidae but is placed as a basal member of Capitosauria based on phylogenetic analysis and character comparisons.
在华北和新疆三叠纪，颞脊椎骨化石普遍存在，但碎片化；没有标本被确定地归入属级。最近，在内蒙古准噶尔旗河上沟组发现了一具保存完好的带下颌骨的temnospondyl头骨，并在此基础上建立了一个新的分类群Huangfuchuansuchus haojiamaoensis n. gen. n. sp。该新分类群的诊断是：双叶状腭前空，后缘光滑凸，v型横切牙列，颞下窗外侧缘有浅切口，培养状突延伸仅接近蝶间空的前缘，副蝶状突融合的嵴肌层位于中线，前内侧-后外侧定位。根据系统发育分析和性状比较，它显示了底纲动物的一些特征，但被认为是头纲动物的基础成员。
{"title":"A basal member of Capitosauria from the Lower Triassic Heshanggou Formation, China","authors":"Jian-Ye Chen , Jun Liu","doi":"10.1016/j.palwor.2025.200988","DOIUrl":"10.1016/j.palwor.2025.200988","url":null,"abstract":"<div><div>In the Triassic of North China and Xinjiang, fossils of temnospondyls are common but fragmentary; no specimens have been confidently assigned to the genus level. Recently, a well-preserved temnospondyl skull with mandible was collected from the Heshanggou Formation of Jungar Banner, Nei Mongol, and a new taxon, <em>Huangfuchuansuchus haojiamaoensis</em> n. gen. n. sp. is established based on this specimen. The new taxon is diagnosed by bilobed anterior palatal vacuity with smoothly convex posterior margin, V-shaped transvomerine tooth rows, a shallow notch on the lateral margin of the subtemporal window, cultriform process extension approaching only anterior margin of interpterygoid vacuities, crista muscularis of the parasphenoid confluent in mid-line and anteromedial-posterolaterally positioned. It shows some features of Benthosuchidae but is placed as a basal member of Capitosauria based on phylogenetic analysis and character comparisons.</div></div>","PeriodicalId":48708,"journal":{"name":"Palaeoworld","volume":"34 6","pages":"Article 200988"},"PeriodicalIF":1.7,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145418146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-07-07DOI: 10.1016/j.palwor.2025.200986
Marina Hakim , Mounir Maalouf , Dany Azar
The Early Cretaceous Bqaatouta and Baskinta (central Lebanon) amber yield new insect inclusions belonging to the order Psocodea. We describe one new genus and species, Archaeatropoglaris libanensis n. gen. n. sp., and attribute it tentatively to the extinct family Empheriidae (Trogiomorpha, Atropetae), sensu its latest composition which includes the ‘Archaeatropidae’. The new individuals have similar setae distribution on the forewing veins compared with the previously described material assigned to ‘Archaeatropidae’ from Lebanon. We also document a second occurrence of Archaeatropos randatae and potentially of Setoglaris reemae, both initially reported from other outcrops in south and central Lebanon respectively. Empheriidae remains to date the most diverse psocodean family in the number of genera and species in Lebanese amber. We also describe one psocodean nymph, although its taxonomic placement could not be determined.
早白垩世Bqaatouta和Baskinta（黎巴嫩中部）琥珀发现新的昆虫包裹体，属于Psocodea目。我们描述了一个新的属和种，Archaeatropoglaris libanensis n. gen. n. sp.，并初步将其归属于已灭绝的Empheriidae (Trogiomorpha, Atropetae)，并感觉其最新组成包括“Archaeatropidae”。与先前描述的来自黎巴嫩的“Archaeatropidae”的材料相比，新个体在前翅脉上具有相似的刚毛分布。我们还记录了第二次出现的Archaeatropos randatae和潜在的Setoglaris reemae，两者最初分别在黎巴嫩南部和中部的其他露头中报道。到目前为止，在黎巴嫩琥珀属和种的数量上，颠蝇科仍然是最多样化的颠蝇科。我们还描述了一种半codean若虫，尽管它的分类位置不能确定。
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Pub Date : 2025-07-07DOI: 10.1016/j.palwor.2025.200985
Marina Hakim , Sahar Azar
A new pachytroctid genus and species, Libanopachytrocta planaspinosa n. gen. n. sp., is systematically described and illustrated from an Early Cretaceous (Barremian) amber outcrop in the easternmost region of Lebanon. This new taxon displays two interesting morphological features, one in the forewings (forked anal vein), which has never been reported previously in the family, and another in the maxillary palpomeres (apical palpomere with sigmoidal outer margin and two flattened spines). The Pachytroctidae are the most species-diverse troctomorphan family represented in Lebanese amber. This new discovery showcases the first fossil record of the subfamily Pachytroctinae to date.
在黎巴嫩最东部地区的早白垩世（巴雷米）琥珀露头中，系统地描述和说明了一个新的厚足动物属和种：Libanopachytrocta planaspinosa n. gen. n. sp.。这个新分类群表现出两个有趣的形态特征，一个是在前翼（分叉的肛门静脉），这在以前的科中从未报道过，另一个是在上颌掌柄（顶端掌柄具有s形外缘和两个扁平的刺）。厚形虫科是黎巴嫩琥珀中种类最丰富的原形虫科。这一新发现展示了迄今为止第一个厚皮虫亚科的化石记录。
{"title":"First psocodean from the Esh-Sheaybeh amber (Barremian, Early Cretaceous) of Lebanon","authors":"Marina Hakim , Sahar Azar","doi":"10.1016/j.palwor.2025.200985","DOIUrl":"10.1016/j.palwor.2025.200985","url":null,"abstract":"<div><div>A new pachytroctid genus and species, <em>Libanopachytrocta planaspinosa</em> n. gen. n. sp., is systematically described and illustrated from an Early Cretaceous (Barremian) amber outcrop in the easternmost region of Lebanon. This new taxon displays two interesting morphological features, one in the forewings (forked anal vein), which has never been reported previously in the family, and another in the maxillary palpomeres (apical palpomere with sigmoidal outer margin and two flattened spines). The Pachytroctidae are the most species-diverse troctomorphan family represented in Lebanese amber. This new discovery showcases the first fossil record of the subfamily Pachytroctinae to date.</div></div>","PeriodicalId":48708,"journal":{"name":"Palaeoworld","volume":"34 6","pages":"Article 200985"},"PeriodicalIF":1.7,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145418154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-07-04DOI: 10.1016/j.palwor.2025.200984
Sergio Álvarez-Parra , Alexandr P. Rasnitsyn , Dany Azar
Serphitoids are a group of proctotrupomorphan wasps that, together with mymarommatoids, are characterized by a bipetiolate metasoma and grouped in the clade Bipetiolarida. The internal relationships of Serphitoidea and Mymarommatoidea are still unresolved, and their biology is poorly known. The fossil record of serphitoids is restricted to Cretaceous, ranging from Barremian to Campanian and is limited to specimens in amber so far. The family Serphitidae encompasses more than 30 species within the subfamilies Microserphitinae, Serphitinae, and Supraserphitinae. The subfamily Microserphitinae is well supported, but the distinctions between serphitines and supraserphitines are somewhat ambiguous. We describe Axioserphites obscurus n. gen. n. sp. from the Barremian (Early Cretaceous) Lebanese amber, belonging to the subfamily Supraserphitinae. We comment on the characters defining this subfamily and discuss its systematic validity.
丝状黄蜂是一群直发瘤黄蜂，与类纤维瘤黄蜂一起，具有双叶柄的特征，并被归为双叶柄进化门。serphito总科和mymarommato总科的内部关系仍未确定，其生物学也知之甚少。蛇形类的化石记录仅限于白垩纪，范围从巴雷米亚期到坎帕尼亚期，目前仅限于琥珀标本。绢蝇科包括微绢蝇亚科、绢蝇亚科和超绢蝇亚科内的30多个物种。微丝虫亚科得到了很好的支持，但丝虫碱和超丝虫碱之间的区别有些模糊。本文描述了Barremian（早白垩世）黎巴嫩琥珀中的Axioserphites obscurus n. gen. n. sp.，属于supererphitinae亚科。对这一亚族的特征进行了评述，并讨论了其系统有效性。
{"title":"A new serphitid wasp (Hymenoptera: Serphitidae) from the Early Cretaceous Lebanese amber","authors":"Sergio Álvarez-Parra , Alexandr P. Rasnitsyn , Dany Azar","doi":"10.1016/j.palwor.2025.200984","DOIUrl":"10.1016/j.palwor.2025.200984","url":null,"abstract":"<div><div>Serphitoids are a group of proctotrupomorphan wasps that, together with mymarommatoids, are characterized by a bipetiolate metasoma and grouped in the clade Bipetiolarida. The internal relationships of Serphitoidea and Mymarommatoidea are still unresolved, and their biology is poorly known. The fossil record of serphitoids is restricted to Cretaceous, ranging from Barremian to Campanian and is limited to specimens in amber so far. The family Serphitidae encompasses more than 30 species within the subfamilies Microserphitinae, Serphitinae, and Supraserphitinae. The subfamily Microserphitinae is well supported, but the distinctions between serphitines and supraserphitines are somewhat ambiguous. We describe <em>Axioserphites obscurus</em> n. gen. n. sp. from the Barremian (Early Cretaceous) Lebanese amber, belonging to the subfamily Supraserphitinae. We comment on the characters defining this subfamily and discuss its systematic validity.</div></div>","PeriodicalId":48708,"journal":{"name":"Palaeoworld","volume":"34 6","pages":"Article 200984"},"PeriodicalIF":1.7,"publicationDate":"2025-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145418047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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