Toxicofera
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Toxicofera is a clade of scaled reptiles that includes the Serpentes, Anguimorpha and Iguania. Toxicofera contains about 4,600 species of extant Squamata. It encompasses all venomous reptile species,
Mexican ridged nosed rattlesnake head
Mosasauria
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Mosasauria is a clade of aquatic and semiaquatic squamates that lived during the Cretaceous period. Fossils belonging to the group have been found in all continents around the world. Early mosasaurian
Toxicofera
…extant groups and a couple of extinct taxa are shown in the following cladogram, which is based on Reeder et al. (2015; Fig. 1). Alongside these groups, Mosasauria, an extinct group including large marine reptiles primarily known from the Late Cretaceous, has been placed as part of the group. It has often been…
Pythonomorphan 2
Adriosaurus
Dolichosaurus
Pontosaurus lesinensis detail