Mosasaurs
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Scientific classification Kingdom: Animalia Phylum: Chordata Class: Sauropsida Order: Squamata Family: Mosasauridae Subfamily: Mosasaurinae Mosasaurinae (Gervais, 1853; Williston, 1897) is a subfamily of mosasaurs, a diverse group of Late Cretaceous marine squamates. Russell (1967, pp. 123-124) defined the Mosasurinae as … Read More

Lepidosaurs
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Fossil range: Late Triassic – Recent Kingdom: Animalia Phylum: Chordata Class: Sauropsida Subclass: Diapsida Infraclass: Lepidosauromorpha Superorder: Lepidosauria Orders: Sphenodontia, Squamata The Lepidosauria are reptiles with overlapping scales. They include the tuataras, lizards, snakes and amphisbaenians. Lepidosaurians are the most … Read More

Avicephalans
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Fossil range: Permian-Triassic Scientific classification Kingdom: Animalia Phylum: Chordata Class: Sauropsida Subclass: Diapsida (unranked) Avicephala, Senter, 2004 Families: Longisquamidae, Coelurosauravidae, Drepanosauridae Avicephala is an extinct order of bizarre diapsid reptiles that lived during the Late Permian and Triassic periods. Many … Read More

Archosaurs
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Scientific classification Kingdom: Animalia Phylum: Chordata Class: Sauropsida Subclass: Diapsida Infraclass: Archosauromorpha Unranked: Archosauria (Cope, 1869) Groups: Crurotarsi (Aetosauria, Crocodilia (crocodiles), Phytosauria, Rauisuchia), Ornithodira (Pterosauria, Marasuchus, Dinosauria (Aves (birds))) Archosaurs (Greek for ‘ruling lizards’) are a group of diapsid reptiles … Read More

Reptiles
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Scientific classification Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Sauropsida – Goodrich, 1916 Orders: Procolophonia (extinct) Testudines Araeoscelidia (extinct) Avicephala (extinct) Younginiformes (extinct) Sauropterygia Ichthyosauria (extinct) Placodontia (extinct) Nothosauria (extinct) Plesiosauria (extinct) Sphenodontia Squamata Prolacertiformes (extinct) Archosauria Crurotarsi Order Aetosauria … Read More