skull openings (fenestra, or fossae) near the temples. Traditionally, the Anapsida are considered the most primitive subclass of amniotes, the ancestral stock...

Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct...

Parareptilia was first utilized as a cladistically correct alternative to Anapsida, a term which historically referred to reptiles with solid skulls lacking...

number of primitive Permo-Carboniferous forms previously classified under Anapsida, in the old (no longer recognised) order "Cotylosauria". Eureptilia is...

of crocodiles, dinosaurs – including birds – and allies). Furthermore, Anapsida is rarely considered a valid clade in recent phylogenetic analyses. In...

List of reptile genera lists the vertebrate class of reptiles by living genus, spanning two subclasses. Turtles are reptiles of the order Testudines characterized...

Synapsida (one opening low on the skull, for the "mammal-like reptiles"), Anapsida (no skull opening, including turtles and their relatives), and Euryapsida...

little relevance to modern phylogenetic taxonomy. The four types are: Anapsida – No openings. The plesiomorphic ("primitive") condition exemplified by...

based on major traits and physiology: Class Reptilia (reptiles) Subclass Anapsida ("proto-reptiles", possibly including turtles) Subclass Diapsida (majority...

reptiles. Robert L. Carroll (1988) ranked it as an order in the subclass Anapsida, composed of the following suborders: A paraphyletic Captorhinomorpha,...