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3 edition of cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia:Sauropterygia) found in the catalog.

cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia:Sauropterygia)

Frank Robin O"Keefe

cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia:Sauropterygia)

by Frank Robin O"Keefe

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  • 37 Currently reading

Published by Finnish Zoological and Botanical Pub. Board in Helsinki .
Written in English

    Subjects:
  • Plesiosauria.

  • Edition Notes

    StatementFrank Robin O"Keefe.
    SeriesActa zoologica Fennica,, no. 213
    Classifications
    LC ClassificationsQH7 .S78 vol. 213, QE862.P4 .S78 vol. 213
    The Physical Object
    Pagination63 p. :
    Number of Pages63
    ID Numbers
    Open LibraryOL3638819M
    ISBN 109519481583
    LC Control Number2002444759

    Taxonomic revision and cladistic analysis of Avicularia Lamarck, (Araneae, Theraphosidae, Aviculariinae) with description of three new aviculariine genera Caroline Sayuri Fukushima, . Plesiosaurs were the longest-surviving group of secondarily marine tetrapods, comparable in diversity to today’s cetaceans. During their long evolutionary history, which spanned the Jurassic and the Cretaceous ( to 66 Ma), plesiosaurs repeatedly evolved long- and short-necked body plans [1, 2].Despite this postcranial plasticity, short-necked plesiosaur clades have traditionally been Cited by:

    The plesiosaurs were an order of large, carnivorous marine flourished from million years ago (mya) to 65 mya.. In , William Stukeley described the first partial skeleton of a plesiosaur. The great-grandfather of Charles Darwin, Robert Darwin of Elston told him about it. Mary Anning was the first to discover a fairly complete plesiosaur.. She found it on the 'Jurassic Class: Reptilia. The terapon perches (Percoidei, Teraponidae): a cladistic analysis and taxonomic revision. Bulletin of the AMNH ; v. , article 5 Download directly to your device’s book reader (e.g., iBooks) or drag into your e-books collection on your computer. This item appears in the following Collection(s).

    Elasmosauridae was a family of had the longest necks of the plesiosaurs and survived from the Hauterivian to the Maastrichtian stages of the Cretaceous, with a possible Triassic record in diet mainly consisted of crustaceans and molluscs. The genus Avicularia Lamarck, is revised and all species are rediagnosed. The type species, described as Aranea avicularia Linnaeus, , is the oldest mygalomorph species described and its taxonomic history is extensive and confusing. Cladistic analyses using both equal and implied weights were carried out with a matrix of 46 taxa from seven theraphosid subfamilies, and 71 morphological Cited by: 9.


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Cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia:Sauropterygia) by Frank Robin O"Keefe Download PDF EPUB FB2

O’Keefe F. A cladistic analysis and taxonomic revision of the Plesio-sauria (Reptilia: Sauropterygia).

— Acta Zool. Fennica 1– The Plesiosauria (Reptilia: Sauropterygia) is a group of Mesozoic marine reptiles known from abundant material, with specimens described from all.

"A Cladistic Analysis and Taxonomic Revision of the Plesiosauria (Repti" by F. Robin O’Keefe The Plesiosauria (Reptilia: Sauropterygia) is a group of Mesozoic marine reptiles known from abundant material, with specimens described from all by: Get this from a library.

A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia:Sauropterygia). [Frank Robin O'Keefe]. O'Keefe () presented a taxonomic revision of the Plesiosauria proposing a breakup of the formerly supposed monophyletic pliosauroids based on an cladistic analysis.

This study describes the results of a specimen-based cladistic study of the Plesiosauria, based on examination of 34 taxa scored for morphological characters. The Pliosauroidea is found to by polyphyletic due to the inclusion of the Polycotylidae; this second clade is instead a member of the Plesiosauroidea, and thus more closely related to elasmosaurs than to other ‘pliosaurs’.Author: F.

Robin O’Keefe. Frank Robin O’Keefe (). A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia).). Acta Zoologica Fennica A cladistic analysis and taxonomic revision of the plesiosauria (reptilia: sauropterygia) By F.

Robin O'Keefe. Year: OAI identifier: oai: Provided by: RERO DOC Digital Library. Download PDF: Author: F. Robin O&#;Keefe. A plesiosaur skeleton from the base of the Greenhorn Limestone (lower upper Cenomanian), western South Dakota, represents a new taxon tentatively referred to the Polycotylidae.

A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia): A cladistic analysis and taxonomic revision of the Plesiosauria.

A Taxonomic Revision and Cladistic Analysis of the Oxudercine Gobies (Gobiidae: Oxudercinae) Article (PDF Available) in Records of the Australian Museum Supplement 11. Cladistics is an approach to biological classification in which organisms are categorized in groups based on the most recent common ancestor.

Hypothesized relationships are typically based on shared derived characteristics that can be traced to the most recent common ancestor and are not present in more distant groups and ancestors. A key feature of a clade is that a common ancestor and all its descendants are part of the clade.

The anatomy and taxonomy of Cladistic analysis of the Plesiosauria Book review – A History of Paleontological Illustration, by Jane P. Davidson. Geological Curator, 8,(9), Smith, A.S. Book review of Sea Monsters — Prehistoric Creatues of the Deep, by Michael J. Everhart. Frank Robin O'Keefe has written: 'A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia:Sauropterygia)' -- subject(s): Plesiosauria Asked in Authors, Poets, and Playwrights.

BibTeX @MISC{O’keefe01acladistic, author = {Frank Robin O’keefe}, title = {A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia). Acta Zoologica Fennica }. A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia), Acta Zoologica Fennica.

A new Cretaceous pliosaurid (Reptilia, Plesiosauria) from the Carlile Shale (Middle Turonian) of Russell County, Kansas, Journal of Vertebrate Paleontology. Plesiosauroids had a broad body and a short tail. They retained their ancestral two pairs of limbs, which evolved into large flippers.

It has been determined by teeth records that several sea-dwelling reptiles, including plesiosauroids, had a warm-blooded metabolism similar to that of : Reptilia. Plesiosaurs had many bones in their flippers, making them flexible. No modern animal has this four-paddle anatomy: modern turtles use their forelimbs for swimming.

They were mainly piscivorous (fish-eaters). Pliosaurs. The pliosaurs were a group of mostly large submarine predators with short necks and large heads.

Their sizes ranged from two to 15 metres, and they were predators of large fish and Class: Reptilia. A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia) Acta Zool. Fenn. ; – O'Keefe F.R. The evolution of plesiosaur and pliosaur morphotypes in the Plesiosauria (Reptilia: Sauropterygia) by: In order to assess the species taxonomy of Camarasaurus, a specimen-level cladistic analysis was performed with all holotype specimens formerly proposed to belong to Camarasaurus, and the most complete referred skeletons.

The ingroup counts more than 20 specimens, all but one (GMNH-PV ) scored based on personal by: 1. Add tags for "The Terapon perches (Percoidei, Teraponidae): a cladistic analysis and taxonomic revision".

Be the first. Introduction. The Late Cretaceous plesiosaurian (Plesiosauria, Sauropterygia) Elasmosaurus platyurus from the Lower Campanian Sharon Springs Formation of western Kansas represents one of the most commonly reconstructed Mesozoic fossils. Its global fame has stemmed from the classical plesiosaurian neck, which is exceptionally long in E.

platyurus and actually manifests Cited by:. F. R. O'Keefe. A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia). Acta Zoologica Fennica [M. Carrano/M. Carrano].Plesiosauria (Graece plesios 'prope' + sauros 'lacerta') sunt ordo Mesozoicorum reptilium Medio Triassico Aevo orta sunt et communissima per Aevum Iurassicum facta sunt, cum vigebant usque ad exstinctionem K-T Cretaceo exeunte.

Nomen plesiosaurus varie adhibetur: ad spectare ad totum Plesiosauriorum ordinem et solum ad formas collo longo praedito (subordo Plesiosauroidea), quae. Postcranium of the paradigm elasmosaurid plesiosaurian Libonectes morgani (Welles, ) - Volume Issue 4 - SVEN SACHS, BENJAMIN P.

KEAR Postcranium of the paradigm elasmosaurid plesiosaurian Libonectes morgani (Welles, ) VolumeA cladistic analysis and taxonomic revision of the Plesiosauria Cited by: