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Mithrodia clavigera (Lamarck, 1816) (Echinodermata: Asteroidea: Mithrodiidae) from the central Atlantic Ocean and Gulf of Mexico clavigera (Lamarck, 1816)(棘皮目:星总科:棘皮科)产于大西洋中部和墨西哥湾
IF 0.5 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-05-05 DOI: 10.2988/20-00009
R. Turner, B. D. Graham, J. E. Miller
Abstract. New records of the Indo-Pacific seastar Mithrodia clavigera (Lamarck, 1816) include the north-central Gulf of Mexico, southeastern Florida, and Ascension Island. Material includes in-situ photographs, specimens from our own field collections, and museum specimens. This species was previously reported in the Atlantic basin in the 1880s off Brazil and in the western Caribbean Sea in the late 1960s and early 1970s. More recent findings are attributable to the advent of SCUBA, seafloor photography, and genetic analysis. The presence of M. clavigera in the Atlantic Ocean and adjacent waters probably represents a former connection with populations in the eastern Pacific Ocean before the rise of the Isthmus of Panama. Our observations here of specimens collected off Palm Beach and Fort Lauderdale, Florida, and the Gulf of Mexico add to our understanding of this species' behavior and ecology.
摘要印度-太平洋海星Mithrodia clavigera(拉马克,1816)的新记录包括墨西哥湾中北部、佛罗里达州东南部和阿森松岛。材料包括现场照片、我们自己野外收藏的标本和博物馆标本。该物种曾于19世纪80年代在巴西附近的大西洋盆地和20世纪60年代末和70年代初在加勒比海西部被报道。最近的发现归因于SCUBA、海底摄影和基因分析的出现。克拉维盖拉在大西洋和邻近水域的存在可能代表了巴拿马地峡崛起之前与东太平洋人口的联系。我们在棕榈滩、佛罗里达州劳德代尔堡和墨西哥湾采集的标本的观察增加了我们对该物种行为和生态的理解。
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引用次数: 0
A new species of azooxanthellate Scleractinia from the western Atlantic, and a new name and record of Desmophyllum striatum sensu Cairns, 1979 来自西大西洋的一个新物种,以及一个新名称和记录的Desmophyllum striatus sensu Cairns,1979
IF 0.5 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-04-20 DOI: 10.2988/134-2021-1-5
S. Cairns
Abstract. A new species of deep-water azooxanthellate scleractinian coral is described from the northwestern Atlantic, named Trochocyathus circularis. It is distinctive for its almost circular calice. A new name is proposed for the junior primary homonym Desmophyllum striatum Cairns, 1979, which was preoccupied by the senior homonym, a Miocene fossil from Italy, described in 1871 by Sismonda in Sismonda & Michelotti.
摘要描述了来自西北大西洋的一种新的深水偶氮菊巩膜珊瑚,名为Trochocyathus circularis。它以其近乎圆形的花布而与众不同。1979年,人们为初级同源词Desmophyllum strimata Cairns提出了一个新的名称,该名称被高级同源词占据,这是一个来自意大利的中新世化石,由Sismonda在1871年的Sismonda&Michelotti中描述。
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引用次数: 0
Brianaudea nom. nov., a replacement name for Naudea Kensley, 1979 (Crustacea: Isopoda: Bathynataliidae), a junior homonym of Naudea Meyer & Rodriguez, 1966 (Chelicerata: Acariformes: Iolinidae) Brianaudea笔名。nov.,Naudea Kensley的替代名称,1979年(甲壳纲:异足目:Bathynatalidae),Naudea Meyer和Rodriguez的初级同音异名,1966年(Chelicerata:Acariformes:Iolinidae)
IF 0.5 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-04-20 DOI: 10.2988/21-00001
C. Boyko
Abstract. Brianaudea, nom. nov., is introduced as a replacement name for Naudea Kensley, 1979 (Crustacea: Isopoda: Bathynataliidae) which is a junior homonym of Naudea Meyer & Rodrigues, 1966 (Chelicerata: Acariformes: Iolinidae). Naudea Kensley contains one species that is now Brianaudea louwae (Kensley, 1979), comb. nov.
摘要Brianaudea, nov.,是作为Naudea Kensley, 1979年(甲壳纲:等足纲:Bathynataliidae)的替代名称引入的,该名称是Naudea Meyer和Rodrigues, 1966年(Chelicerata: Acariformes: Iolinidae)的同义语。Naudea Kensley包含一种,现在是Brianaudea louwae (Kensley, 1979),梳子。11月。
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引用次数: 0
Costapex baldwinae, a new species of bathyal costellariid (Mollusca: Gastropoda: Neogastropoda: Costellariidae) from the Caribbean Sea Costapex baldwinae,一种来自加勒比海的半深海costellariid(软体动物:腹足纲:新腹足目:Costellariidae)的新种
IF 0.5 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-12-28 DOI: 10.2988/20-00010
M. G. Harasewych, J. Uribe, A. Fedosov
Abstract. Costapex baldwinae, new species, is described from deep reef habitats of the southern and eastern Caribbean Sea, including Curaçao, Dominica and Guadeloupe, where it occurs at bathyal depths on sunken wood. It is assigned to the genus Costapex based on phylogenetic analyses using partial sequences of COI, 12S and 16S mitochondrial genes that reveal it to be the sister species of two Indo-Pacific members of this genus. This new species most closely resembles Costapex martinorum (Cernohorsky, 1986) from the Philippines, but differs in being smaller, and in having a slightly lower spire and more prominently beaded spiral sculpture. Of the Caribbean species of costellariids, it is somewhat similar to Nodicostellaria laterculata (Sowerby II, 1874), which occurs in shallower water and has a white or tan rather than dark brown shell, and also a taller spire, more prominent axial sculpture, and a more rounded aperture. It differs from Vexillum styria (Dall, 1889), with which it co-occurs, in having a broader shell with a lower spire, prosocline rather than opisthocline axial ribs, and more prominent, strongly beaded spiral cords. Costapex baldwinae differs from both these taxa in having rachidian teeth with three cusps rather than five cusps (N. laterculata) or seven cusps (V. styria). The genus Costapex was previously known only from Indo-Pacific species. The discovery of this new species represents a significant expansion of the range of this genus into the Caribbean Sea.
摘要Costapex baldwinae是一种新物种,来自加勒比海南部和东部的深礁栖息地,包括库拉索岛、多米尼克岛和瓜德罗普岛,在那里,它出现在沉没的木材上的半深海。根据COI、12S和16S线粒体基因的部分序列进行的系统发育分析,将其归入Costapex属,这表明它是该属两个印度-太平洋成员的姐妹物种。这一新物种与菲律宾的Costapex martinorum(Cernohorsky,1986)最为相似,但不同之处在于体型较小,尖顶略低,螺旋雕塑上的串珠更为突出。在加勒比物种中,它有点类似于Nodicostellaria laterculata(Sowerby II,1874),它出现在浅水中,外壳为白色或棕褐色,而不是深棕色,还有更高的尖顶、更突出的轴向雕塑和更圆的光圈。它不同于与它共同存在的styria(Dall,1889),因为它有一个更宽的外壳,有一个较低的尖顶,前斜而不是前斜轴向肋,以及更突出的、强烈珠状的螺旋索。Costapex baldwinae与这两个分类群的不同之处在于,它的轴状牙齿有三个尖,而不是五个尖(N.laterculata)或七个尖(V.styria)。Costapex属以前只在印度-太平洋物种中发现。这一新物种的发现标志着该属在加勒比海的范围显著扩大。
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引用次数: 0
A new bathyal tubulanid nemertean, Tubulanus izuensis sp. nov. (Nemertea: Palaeonemertea), from Japanese waters 日本海域的一种新的深海管藻,Tubulanus izuensis sp.nov.(管藻门:古管藻门)
IF 0.5 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-11-30 DOI: 10.2988/PBSW-D-20-00006
Natsumi Hookabe, Masashi Asai, H. Nakano, Taeko Kimura, H. Kajihara
Abstract. A new species of tubulanid palaeonemertean, Tubulanus izuensis sp. nov., is described as the sixth member of the genus in Japanese waters, based on materials dredged at depths of 244–436 m. It can be differentiated from all the known congeners by the unique burnt-orange dorsal pattern consisting of a median longitudinal stripe and transverse bands on a white ground color. In a maximum-likelihood tree reconstructed with partial sequences of the 16S rRNA, cytochrome c oxidase subunit I, 18S rRNA, 28S rRNA, and histone H3 genes, Tubulanus was not monophyletic, while T. izuensis sp. nov. was more closely related to the type species T. polymorphus Renier, 1804 than some other congeners including T. punctatus (Takakura, 1898), T. rhabdotus Corrêa, 1954, T. sexlineatus (Griffin, 1898), and T. tamias Kajihara, Kakui, Yamasaki & Hiruta, 2015.
摘要根据244-436米深度的疏浚材料,一种新的管状古生动物——管状亚种(Tubulanus izuensis sp. nov.)被描述为日本水域中管状亚种属的第六位成员。它可以从所有已知的同族动物中区分出来,因为它独特的焦橙色背纹由中间的纵向条纹和横向条纹组成,底色为白色。在用16S rRNA、细胞色素c氧化酶亚基I、18S rRNA、28S rRNA和组蛋白H3基因的部分序列重建的最大似然树中,Tubulanus不是单系的,而izuensis p. 11 .与模式种T. polymorphus Renier(1804)的亲缘关系比其他同系物包括T. punctatus (Takakura, 1898)、T. rhabdotus Corrêa(1954)、T. sexlineatus (Griffin, 1898)和T. tamias Kajihara, Kakui, Yamasaki & Hiruta, 2015)更为密切。
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引用次数: 3
Guide to the Identification of Marine Meiofauna 海洋小型生物识别指南
IF 0.5 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-11-18 DOI: 10.2988/133-01-120-121
J. Sharma
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引用次数: 37
Considerations on the rare species Phlebopus brasiliensis (Fungi, Basidiomycota, Boletinellaceae) from Atlantic Forest of Northeast Brazil 对巴西东北部大西洋森林珍稀物种巴西Phlepopus brasiliensis(真菌、担子菌门、牛肝菌科)的思考
IF 0.5 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-10-29 DOI: 10.2988/20-00007
A. Barbosa-Silva, F. Wartchow
Abstract. Phlebopus (Boletales) is a genus of Fungi with species characterized by robust basidiomata with glabrous to tomentose or velvety pileus, a central thick and non-reticulated, non-hollow stipe, and an adnate-depressed hymenophore. Their context is variable in color and unchanging or slowly develops a blue reaction when exposed to air. They also have short subglobose to ellipsoid basidiospores that are smooth and possess clamped hyphae. A recent collection in Brazil turned up the rare Neotropical species P. brasiliensis, which is only known from type materials from the original description, and which is only one of six species present in the country. Here, we validate the identity of this species and insure its separation from similar congeners including P. mexicanus. Phlebopus brasiliensis is characterized by the dry velutinous pileus surface that then becomes finely areolate in older basidiomata and with an olivaceous color; hymenophore with small pores to 0.5 mm wide with a context that is cream-colored then greenish-blue on exposure to air, and the absence of hymenial cystidia. Alternatively, Phlebopus mexicanus has slightly smaller basidiospores (average 6.4 × 5 µm), larger pores (1–2 per mm, each 0.5–1 mm diameter) and granulose-pruinate stipe to base. These differences help confirm the identity of P. brasiliensis and also establish its presence in a new location in Brazil i.e., a conservation zone that differs in disturbance from its type locality.
摘要球孢菌(球孢菌)是真菌的一个属,其物种特征是结实的担子瘤,无毛到被绒毛或天鹅绒状的菌毛,中心粗而非网状,非中空的柱头和贴体凹陷的膜层。它们的环境在颜色上是可变的,不变的,或者当暴露在空气中时缓慢地产生蓝色反应。它们也有短的亚球形到椭球状的担子孢子,光滑并具有夹住的菌丝。最近在巴西的一次收集中发现了罕见的新热带物种p.b asiliensis,它仅从原始描述的模式材料中已知,并且它只是该国存在的六种物种之一。在这里,我们验证了这个物种的身份,并确保它与类似的同系物,包括P. mexicanus分离。巴西白蚁的特征是干燥的绒毛状毛表面,然后在较老的担子瘤中变成精细的微针形,并具有橄榄色;膜膜膜孔小至0.5 mm宽,背景呈米色,暴露于空气后呈绿蓝色,无膜囊。另外,墨西哥白蛉有稍小的担子孢子(平均6.4 × 5µm),较大的孔(1-2 / mm,每个直径0.5-1 mm)和颗粒状的穗状柄到基部。这些差异有助于确认巴西疟原虫的身份,并确定其存在于巴西的一个新地点,即一个受干扰程度不同于其类型地点的保护区。
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引用次数: 1
Current assessment of species composition and biological characteristics of fishes in the transboundary rivers in Turkey 土耳其跨界河流鱼类种类组成和生物学特征的现状评估
IF 0.5 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-10-27 DOI: 10.2988/19-00009
Ozlem Ablak-Gurbuz, T. Bonner
ABSTRACT. The freshwater fishes of Turkey have been studied for more than 150 yr. However, a nation-wide inventory of freshwater fish occurrences in all transboundary river basins (Euphrates–Tigris, Coruh, Kura–Araks, Maritsa and Orontes) has been neither studied nor published. This work is the first extensive study of the composition and biological characteristics of the freshwater fish fauna of the transboundary rivers in Turkey, with special reference to the native and non-native status of species, and the spatial patterns of species e.g., abundance category, endemism, main threats, movement patterns, habitat guild, feeding guild, and reproductive guild. It is determined that a total of 184 fish species in 25 families (including 15 species which are not native, and 30 species are considered as endemic) live in the transboundary river basins in Turkey. Of the 184 fish species: 19 species are abundant, 57 species decrease, and 101 species are data deficient based on IUCN Red List (International Union for Conservation of Nature and Natural Resources). One of the main threats to freshwater fish occurrences in all transboundary river basins are dams. Most fish species in the area are threatened by dams, water extraction, and habitat degradation.
摘要。对土耳其淡水鱼类的研究已有150多年的历史。然而,对所有跨界河流流域(幼发拉底河-底格里斯河、科鲁赫河、库拉河-阿拉克斯河、马里察河和奥伦特斯河)的淡水鱼类分布情况的全国性清单既没有进行研究,也没有发表。这项工作是首次对土耳其跨界河流淡水鱼类区系的组成和生物学特征进行广泛研究,特别涉及物种的本土和非本土地位,以及物种的空间模式,如丰度类别、特有性、主要威胁、运动模式、栖息地公会、觅食公会和繁殖公会。据确定,土耳其跨界河流流域共有25科184种鱼类(其中15种为非本地鱼类,30种为特有鱼类)。在184种鱼类中:根据国际自然与自然资源保护联盟(IUCN)红色名录,19种鱼类数量丰富,57种鱼类数量减少,101种鱼类数据不足。水坝是所有跨界河流流域淡水鱼发生的主要威胁之一。该地区的大多数鱼类都受到水坝、水资源开采和栖息地退化的威胁。
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引用次数: 1
U-Th dating of Holocene age Acropora prolifera (Lamarck, 1816) colonies confirms coral hybridization is not a recent phenomenon. 全新世Acropora prolifera (Lamarck, 1816)群落的U-Th定年证实珊瑚杂交不是最近的现象。
IF 0.5 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-09-21 DOI: 10.2988/20-00002
Alexander B. Modys, R. Mortlock, S. Vollmer, L. Kaufman, W. Precht
Abstract. To confirm previous findings that hybridization of Caribbean acroporid corals occurred in the recent geologic past, we determined the uranium-thorium (U-Th) ages of two subfossil Acropora prolifera samples collected from nearshore coral death assemblages located off the coast of southeastern Florida. Our results indicate that A, prolifera existed in southeastern Florida during the late Holocene, confirming that Caribbean acroporid hybridization occurred prior to their region-wide die off in the 1970s and 1980s.
摘要为了证实之前的发现,加勒比Acropora珊瑚的杂交发生在最近的地质过去,我们确定了两个亚化石Acropora prolifera样本的铀钍(U-Th)年龄,这些样本来自佛罗里达州东南部海岸附近的近岸珊瑚死亡组合。我们的研究结果表明,A, prolifera在全新世晚期存在于佛罗里达东南部,这证实了加勒比海acroporid的杂交发生在20世纪70年代和80年代该地区范围内的灭绝之前。
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引用次数: 1
Topotype-based redescription of the leech Torix tukubana (Hirudinida: Glossiphoniiformes: Glossiphoniidae) 基于拓扑类型的空Torix重新描述
IF 0.5 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2020-08-11 DOI: 10.2988/20-00003
Chiaki Kambayashi, A. Kurabayashi, T. Nakano
Abstract. A poorly-known proboscidate leech species, Torix tukubana (Oka, 1935), in which the mid-body somites are biannulate dorsally and triannulate ventrally, is redescribed based on new specimens collected from its type locality, Mt. Tsukubasan in Honshu, Japan. The redescription provides the internal digestive and genital organs of T. tukubana for the first time. Our observation reveals that this species possesses equal-sized 1st–6th pairs of crop ceca that are nondiverticulated and tubular ovisacs running alongside the ventral nerve cord. Additionally, phylogenetic analyses using nuclear 18S rRNA, mitochondrial cytochrome c oxidase subunit I, 12S rRNA, tRNALeu, and NADH dehydrogenase subunit 1 markers reveal that T. tukubana is closely related to the Palearctic Hemiclepsis Vejdovský, 1884, in which the mid-body somites are triannulate.
摘要根据从其模式产地日本本州筑波山采集的新标本,重新描述了一种鲜为人知的长鼻水蛭物种,Torix tukubana(Oka,1935),其中体节背侧为双核,腹侧为三角形。该重新描述首次提供了杜库巴纳的内部消化和生殖器官。我们的观察表明,该物种拥有大小相等的第1至第6对未分化的作物盲肠和沿着腹神经索运行的管状卵囊。此外,使用核18S rRNA、线粒体细胞色素c氧化酶亚基I、12S rRNA,tRNALeu和NADH脱氢酶亚基1标记进行的系统发育分析表明,图库巴纳T.tukubana与Paleopolic Hemiclepsis Vejdovský(1884)密切相关,其中中体节为三角形。
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引用次数: 2
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Proceedings of the Biological Society of Washington
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