Today there are 6,800 reptile species on earth; the major groups are alligators and crocodiles, turtles, lizards, and snakes. Reptiles are tetrapods and amniotes, animals whose embryos are surrounded by an amniotic membrane. Today they are represented by four surviving … Read More
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
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
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
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
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
