Annalen des Naturhistorischen Museums in Wien. Serie A, Fur Mineralogie und Petrographie, Geologie und Palaontologie, Anthropologie und Prahistorie最新文献
The fossil record of the ghost shrimp genus Balsscallichirus Sakai, 2011 (Crustacea: Decapoda: Callianassidae) is revised. Barnardcallichirus Sakai, 2011 and Tirmizicallichirus Sakai, 2011 are considered subjective synonyms of Balsscallichirus. Based on the examination of extant species it is argued that the morphology of the major cheliped merus, in combination with other hard part morphology characters, is sufficient for assignment of the fossil material into the genus. Main identifying characters are on merus which is keeled along its midline and its lower half is tuberculated; its lower margin possesses broad proximal meral hook continuing into a lobe distally; the entire lower margin is subdivided into numerous irregularly spaced spines. Three species, Callianassa sismondai A. Milne-Edwards, 1860, C. floriana Glaessner, 1928, and Podocallichirus laepaensis Hyžný & Muñiz, 2012, originally described from the Miocene of Italy, Austria and Spain, respectively, are assigned to Balsscallichirus herein. Neocallichirus wellsi Schweitzer, Feldmann & Gingerich, 2004 from the Upper Eocene of Pakistan is tentatively assigned to that genus as well. Spatial and temporal distribution of the genus indicates that at least since the Oligocene, and possibly even sooner (the Late Eocene), the genus has been restricted to the Western Tethys Region. Later, it migrated also into West Atlantic establishing present day communities.
{"title":"<i>Balsscallichirus</i> Sakai, 2011 (Decapoda: Axiidea: Callianassidae) in the fossil record: systematics and palaeobiogeography.","authors":"Matúš Hyžný","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The fossil record of the ghost shrimp genus <i>Balsscallichirus</i> Sakai, 2011 (Crustacea: Decapoda: Callianassidae) is revised. <i>Barnardcallichirus</i> Sakai, 2011 and <i>Tirmizicallichirus</i> Sakai, 2011 are considered subjective synonyms of <i>Balsscallichirus</i>. Based on the examination of extant species it is argued that the morphology of the major cheliped merus, in combination with other hard part morphology characters, is sufficient for assignment of the fossil material into the genus. Main identifying characters are on merus which is keeled along its midline and its lower half is tuberculated; its lower margin possesses broad proximal meral hook continuing into a lobe distally; the entire lower margin is subdivided into numerous irregularly spaced spines. Three species, <i>Callianassa sismondai</i> A. Milne-Edwards, 1860, <i>C. floriana</i> Glaessner, 1928, and <i>Podocallichirus laepaensis</i> Hyžný & Muñiz, 2012, originally described from the Miocene of Italy, Austria and Spain, respectively, are assigned to <i>Balsscallichirus</i> herein. <i>Neocallichirus wellsi</i> Schweitzer, Feldmann & Gingerich, 2004 from the Upper Eocene of Pakistan is tentatively assigned to that genus as well. Spatial and temporal distribution of the genus indicates that at least since the Oligocene, and possibly even sooner (the Late Eocene), the genus has been restricted to the Western Tethys Region. Later, it migrated also into West Atlantic establishing present day communities.</p>","PeriodicalId":90786,"journal":{"name":"Annalen des Naturhistorischen Museums in Wien. Serie A, Fur Mineralogie und Petrographie, Geologie und Palaontologie, Anthropologie und Prahistorie","volume":"118 ","pages":"39-63"},"PeriodicalIF":0.0,"publicationDate":"2016-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4972423/pdf/emss-67578.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34642419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Based on mostly small-sized isolated cheliped fingers, a new decapod crustacean assemblage is described from the Barremian of Serre de Bleyton (Drôme, SE France). The assemblage is composed mostly of representatives of the crab family Dynomenidae. In addition, remains of astacidean lobsters, axiidean shrimps, paguroid hermit crabs and brachyurous crabs of the families Necrocarcinidae and ?Cenomanocarcinidae occur in low numbers. Graptocarcinus moosleitneri (Dynomenidae) and ?Paranecrocarcinus schloegli (Necrocarcinidae) are introduced as new species. They both exhibit presence of multi-setal pores on dactyli that are interpreted as parts of a sieving mechanism used in feeding. The stratigraphic range of Graptocarcinus is extended herein to the Barremian.
{"title":"Barremian decapod crustaceans from Serre de Bleyton (Drôme, SE France).","authors":"Matúš Hyžný, Andreas Kroh","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Based on mostly small-sized isolated cheliped fingers, a new decapod crustacean assemblage is described from the Barremian of Serre de Bleyton (Drôme, SE France). The assemblage is composed mostly of representatives of the crab family Dynomenidae. In addition, remains of astacidean lobsters, axiidean shrimps, paguroid hermit crabs and brachyurous crabs of the families Necrocarcinidae and ?Cenomanocarcinidae occur in low numbers. <i>Graptocarcinus moosleitneri</i> (Dynomenidae) and ?<i>Paranecrocarcinus schloegli</i> (Necrocarcinidae) are introduced as new species. They both exhibit presence of multi-setal pores on dactyli that are interpreted as parts of a sieving mechanism used in feeding. The stratigraphic range of <i>Graptocarcinus</i> is extended herein to the Barremian.</p>","PeriodicalId":90786,"journal":{"name":"Annalen des Naturhistorischen Museums in Wien. Serie A, Fur Mineralogie und Petrographie, Geologie und Palaontologie, Anthropologie und Prahistorie","volume":"117 ","pages":"121-152"},"PeriodicalIF":0.0,"publicationDate":"2015-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4471114/pdf/emss-62927.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"33288453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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