About: Diapsida   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Diapsids ("two arches") are a group of tetrapod animals that developed two holes (temporal fenestra) in each side of their skulls, about 300 million years ago during the late Carboniferous period. Living diapsids are extremely diverse, and include all birds, crocodiles, lizards, snakes, tuataras, and possibly even turtles. While some lost either one hole (lizards), or both holes (snakes), they are still classified as diapsids based on their ancestry. There are 14,600 species of diapsid existing in environments around the world today, including most flying and poisonous vertebrates.

AttributesValues
rdfs:label
  • Diapsida
rdfs:comment
  • Diapsids ("two arches") are a group of tetrapod animals that developed two holes (temporal fenestra) in each side of their skulls, about 300 million years ago during the late Carboniferous period. Living diapsids are extremely diverse, and include all birds, crocodiles, lizards, snakes, tuataras, and possibly even turtles. While some lost either one hole (lizards), or both holes (snakes), they are still classified as diapsids based on their ancestry. There are 14,600 species of diapsid existing in environments around the world today, including most flying and poisonous vertebrates.
dcterms:subject
dbkwik:paleontolog...iPageUsesTemplate
subdivision ranks
  • Groups
Name
  • Diapsids
fossil range
  • Carboniferous-Recent
Image caption
  • A lizard
subdivision
  • See text
Color
  • pink
Image width
  • 250(xsd:integer)
subclassis authority
classis
  • Sauropsida
Phylum
regnum
  • Animalia
subclassis
  • Diapsida
abstract
  • Diapsids ("two arches") are a group of tetrapod animals that developed two holes (temporal fenestra) in each side of their skulls, about 300 million years ago during the late Carboniferous period. Living diapsids are extremely diverse, and include all birds, crocodiles, lizards, snakes, tuataras, and possibly even turtles. While some lost either one hole (lizards), or both holes (snakes), they are still classified as diapsids based on their ancestry. There are 14,600 species of diapsid existing in environments around the world today, including most flying and poisonous vertebrates. The ancestral openings are above and below the eye, and allow the jaw to open wider, and the attachment of larger, stronger jaw muscles. A more obscure ancestral characteristic is a relatively long lower arm bone (radius), compared to the upper arm bone (humerus). Extinct groups include the dinosaurs, pterosaurs, plesiosaurs, mosasaurs, and many more obscure lineages. The classification of most of the early groups is fluid and subject to change.
is subclassis of
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