ptyctodont
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Deinodus — is a form genus that includes two species: the form found in the Onondaga Formation of western New York, Deinodus bennetti, and the form found in the Columbus and Limestone of central Ohio, Deinodus ohioensis. Both species are limited to the… … Wikipedia
Acanthothoraci — Taxobox name = Acanthothoraci fossil range = Silurian? Early Devonian image caption = Weejasperaspis gavini , Murrindalaspis wallacei Brindabellaspis stensioi regnum = Animalia phylum = Chordata subphylum = Vertebrata infraphylum = Gnathostomata… … Wikipedia
Ctenurella — Temporal range: Late Devonian … Wikipedia
Pseudopetalichthyida — Taxobox name = Pseudopetalichthyida status = fossil image caption = Pseudopetalichthys problematicus regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Placodermi ordo = Pseudopetalichthyida familia = Paraplesiobatidae… … Wikipedia
Ptyctodontida — Taxobox name = Ptyctodontida image width = 240px image caption = Reconstruction of Rhamphodopsis threiplandi fossil range = Early to Late Devonian regnum = Animalia phylum = Chordata subphylum = Vertebrata infraphylum = Gnathostomata classis =… … Wikipedia
Rhamphodopsis — Taxobox name = Rhamphodopsis fossil range = Late Devonian regnum = Animalia phylum = Chordata classis = Placodermi ordo = Ptyctodontida genus = Rhamphodopsis Rhamphodopsis is an extinct genus of ptyctodont placoderm from the Late Devonian of… … Wikipedia
fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with … Universalium
Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium