Ophthalmosauria

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==Links==
==Links==
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{{html}}
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<a href="http://www.prehistory.com/ichtyosa.htm">Prehistoric
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* [http://www.prehistory.com/ichtyosa.htm Prehistoric World Images - Stenopterygius - Jurassic reptile]
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World Images - Stenopterygius - Jurassic reptile</a>; <a href="http://www.isgs.uiuc.edu/dinos/de_4/5c5fd77.htm">Stenopterygius</a>;
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* [http://www.ucmp.berkeley.edu/people/motani/ichthyo/weight.html Weight]
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<a href="http://www.toyen.uio.no/palmus/galleri/montre/english/nn002.htm">Stenopterygius
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* [http://www.urweltmuseum.de/shop/fossilienverkauf.htm Fossilienverkauf] (remarkable selection of photos)
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quadriscissus</a>; <a href="http://www.ucmp.berkeley.edu/people/motani/ichthyo/weight.html">Weight</a>; <a href="http://www.erin.utoronto.ca/~w3bio356/amniotes/stenopterygius.html">Biology
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* [http://www.nhm-wien.ac.at/NHM/Geolog/Collect/Hilite/HPHili09.htm Gallery of fossil amphibians, reptiles and birds]
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356</a> (detail of forelimb); <a href="http://gallery.in-tch.com/~earthhistory/jurassic%20page%201.html">jurassic
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* [http://www.fossilien.de/seiten/repliken/holzmaden.htm Bernstein, Fossilien, Ammoniten, Repliken und vieles mehr zum Kaufen]
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images</a> (another strikingly beautiful image from Doug Henderson); <a href="http://venado.conce.plaza.cl/~dinos/links/dinos/stenop.htm">Dinosaurios:
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* [http://www.dinosaurier-interesse.de/web/Nachrichten/Texte/di-t10.html Neuigkeiten aus der Wissenschaft] (on swimming speed)
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Stenopterygius</a>; <a href="http://www.urweltmuseum.de/shop/fossilienverkauf.htm">Fossilienverkauf</a>
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* [http://www.vfmg-weiden.de/aba/aba646.htm Bilder aus der Fossilien-Sammlung von Armin Bauer]
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(remarkable selection of photos); <a href="http://www.nhm-wien.ac.at/NHM/Geolog/Collect/Hilite/HPHili09.htm">Gallery
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* [http://www.crystal-world.com/html/fossils/fossil%20groups/enlarged/museum/dino.htm Ichthyosaur Stenopterygius quadriscissus] (fossil image)
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of fossil amphibians, reptiles and birds</a>; <a href="http://www.fossilien.de/seiten/repliken/holzmaden.htm">Bernstein,
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* [http://www.dinooption.com/din04/ichthyo005.htm &#49828;&#53580;&#45432;&#54532;&#53580;&#47532;&#44592;&#50864;&#49828;(Stenopterygius)](Korean: several good images)
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Fossilien, Ammoniten, Repliken und vieles mehr zum Kaufen</a>; <a href="http://www.dinosaurier-interesse.de/web/Nachrichten/Texte/di-t10.html">Neuigkeiten
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* [http://www.scc.u-tokai.ac.jp/sectu/sizensi/collect/fossil/bhstenop.html &#27161;&#26412;&#35299;&#35500;&#12288;&#12473;&#12486;&#12494;&#12503;&#12486;&#12522;&#12462;&#12517;&#12454;&#12473;]
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aus der Wissenschaft</a>; <a href="http://www.vfmg-weiden.de/aba/aba646.htm">Bilder
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aus der </a><a href="http://www.fossilien.de/seiten/repliken/holzmaden.htm"><img border="5" src="Images/StenopterygiusFossil.jpg" alt="Stenopterygius" align="left" width="500" height="134"></a><a href="http://www.vfmg-weiden.de/aba/aba646.htm">
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Fossilien-Sammlung von Armin Bauer</a>;
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<a href="http://www.crystal-world.com/html/fossils/fossil%20groups/enlarged/museum/dino.htm">Ichthyosaur Stenopterygius quadriscissus</a>
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(fossil image); <a href="http://www.ne.jp/asahi/dinosaur/araki/im/149.htm">Stenopterygius&#12288;&#12473;&#12486;&#12494;&#12503;&#12486;&#12522;&#12462;&#12454;&#12473;</a>&nbsp;(model);
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<a href="http://www.exotenwelt.de/dinosaurier/saurier/meersaurier/stenopterygius.htm">Dinowelt-Stenopterygius</a>;
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<a href="http://www.dinotime.de/detail-13-1-00164-0.html">Ichthyosaurier Stenopterygius quadriscissus Quenstedt - ...</a>
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(fossil images); <a href="http://www.dinooption.com/din04/ichthyo005.htm">[&#49828;&#53580;&#45432;&#54532;&#53580;&#47532;&#44592;&#50864;&#49828;(Stenopterygius)]</a>
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(Korean: several good images); <a href="http://www.nhm-wien.ac.at/NHM/Geolog/Collect/Hilite/HPHili09.htm">Gallery of fossil amphibians, reptiles and birds</a>
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(very nice, but tiny image); <a href="http://www.scc.u-tokai.ac.jp/sectu/sizensi/collect/fossil/bhstenop.html">&#27161;&#26412;&#35299;&#35500;&#12288;&#12473;&#12486;&#12494;&#12503;&#12486;&#12522;&#12462;&#12517;&#12454;&#12473;</a>
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==Credits==
==Credits==
ATW030613 [http://www.palaeos.com/Vertebrates/Units/210Eureptilia/500.html#Ophthalmosauria Palaeos com], MAK070121
ATW030613 [http://www.palaeos.com/Vertebrates/Units/210Eureptilia/500.html#Ophthalmosauria Palaeos com], MAK070121

Latest revision as of 12:00, 19 March 2009

Parent taxa:
(check the following menu and phylogeny - the taxon in bold refers to the topic on this page)


ICHTHYOSAURIA
Taxonomy Phylogeny 
o Ichthyopterygia
`--o ICHTHYOSAURIA
   |--Cymbospondylus
   `--+--Mixosaurus 
      `--o--Guanlingsaurus
         `--o Merriamosauria
            |--Shastasauridae
            `--o Euichthyosauria 
               |--Teretocnemidae
               `--+--Californosaurus
                  `--o Parvipelvia 
                     }--Macgovania
                     `--+--Hudsonelpidia
                        `--+--Suevoleviathan
                           `--+--Temnodontosaurus
                              |--Leptonectidae
                              `--o Thunnosauria 
                                 |--Stenopterygius
                                 |--Ichthyosaurus
                                 `--Ophthalmosauria


Ophthalmosauria


Contents

Introduction

The Ophthalmosauria (“eye lizard”) are a clade of highly derived thunnosaurian ichthyosaurs that lived from the Middle Jurassic to the Middle Cretaceous period. The name refers to the proportionally extremely large eyes in the typical Jurassic genus Ophthalmosaurus.

Ophthalmosaurs varied quite a bit in shape, with some like Ophthalmosaurus having perhaps the most streamlined form of all the ichthyosaurs, being a tear-drop shape, and short circular flippers. Others like the Cretaceous Platypterygius were more elongate (more like basal Parvipelvia) with longer and narrower flippers. These animals were about 4 to 5 meters long, and had a cosmopolitan distribution.

In the Linnaean system of classification, Ophthalmosaurs are refered to the family Ophthalmosauridae.


(The following menu and phylogeny refers to subtopics of this page)


OPHTHALMOSAURIA
Taxonomy Phylogeny

Superorder: Ichthyopterygia
Order: Ichthyosauria
Family: Ophthalmosauridae

 
o Thunnosauria 
`--o OPHTHALMOSAURIA
   |--Brachypterygius
   `--+--Ophthalmosaurus
      `--+--Caypullisaurus
         `--Platypterygius


Information

Ophthalmosauria: Aegirosaurus, Brachypterygius, Caypullisaurus, Nannopterygius, Ophthalmosaurus, Otschevia, Paraophthalmosaurus, Platypterygius, Plutoniosaurus, Simbirskiasaurus, Undorosaurus

Linnaean taxonomy:

Author: Baur, 1887 sensu Motani, 1998

Range: Middle Jurassic to Middle Cretaceous

Phylogeny: Thunnosauria:: Ichthyosaurus + Ophthalmosauria.

Characters

Characters: extra zeugopodial element anterior to radius, with associated extra digit.

Links

Credits

ATW030613 Palaeos com, MAK070121

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