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METRIORHYNCHIDS [1 record]
Record 1 - internal organization data 1980-08-13
Record 1, English
Record 1, Subject field(s)
- Reptiles and Amphibians
- Paleontology
Record 1, Main entry term, English
- metriorhynchids 1, record 1, English, metriorhynchids
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
A second group of marine crocodilians evolved during the Lower Jurassic, probably from teleosaurid ancestors. This was the family of metriorhynchids. They are the most specialized of all the members of crocodilian order, being profoundly modified for an aquatic life. Their kinship to the teleosaurids is evident from their double-concave vertebrae, the structure of their palate and other features of their cranial anatomy. Beyond this, however, the skull is streamlined, the limbs are transformed into paddles and the end of the spine is bent sharply down. 1, record 1, English, - metriorhynchids
Record 1, French
Record 1, Domaine(s)
- Reptiles et amphibiens
- Paléontologie
Record 1, Main entry term, French
- Métriorhynchidés
1, record 1, French, M%C3%A9triorhynchid%C3%A9s
masculine noun, plural
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Un second groupe de Crocodiliens marins évolua pendant la Jurassique, probablement à partir de Télésauridés: la famille des Métriorhynchidés. Ce furent les plus spécialisés de tous les Crocodiliens car ils étaient profondément adaptés à la vie aquatique. Leur parenté avec les Téléosauridés est indiquée par leurs vertèbres biconcaves, la structure de leur palais et d'autres traits de l'anatomie crânienne. De plus, le crâne est hydrodynamique, les membres sont transformés en nageoires et l'extrémité de la queue est nettement courbée vers le bas. 1, record 1, French, - M%C3%A9triorhynchid%C3%A9s
Record 1, Spanish
Record 1, Textual support, Spanish
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