Definition of diapsid in English:

diapsid

noun dʌɪˈapsɪddīˈapsəd

Zoology

A reptile of a large group characterized by the presence of two temporal openings in the skull, including the lizards, snakes, crocodiles, dinosaurs, and pterosaurs.
Sometimes placed in a subclass Diapsida
Example sentencesExamples
- It would not be safe to assume that the synapsid temporal fenestra is strictly homologous to the lower temporal fenestra of diapsids.
- As with many in the systematics community, I am skeptical that turtles are derived diapsids.
- Adding to the controversy, several independent molecular analyses also regard turtles as diapsids.
- The primitive reptiles were represented by lizard-like captorhinids and basal diapsids.
- You may also have noticed that the birds do not have their own box in the cladogram; this is because they are one subgroup of the diapsids, a clade which includes dinosaurs, snakes, and most reptiles.

Origin

Early 20th century: from modern Latin Diapsida, from di-¹ 'two' + Greek apsis, apsid- 'arch'.

Definition of diapsid in US English:

diapsid

noundīˈapsəd

Zoology

A reptile of a large group characterized by the presence of two temporal openings in the skull, including the lizards, snakes, crocodiles, dinosaurs, and pterosaurs.
Subclass Anapsida
Example sentencesExamples
- The primitive reptiles were represented by lizard-like captorhinids and basal diapsids.
- As with many in the systematics community, I am skeptical that turtles are derived diapsids.
- It would not be safe to assume that the synapsid temporal fenestra is strictly homologous to the lower temporal fenestra of diapsids.
- You may also have noticed that the birds do not have their own box in the cladogram; this is because they are one subgroup of the diapsids, a clade which includes dinosaurs, snakes, and most reptiles.
- Adding to the controversy, several independent molecular analyses also regard turtles as diapsids.

Origin

Early 20th century: from modern Latin Diapsida, from di- ‘two’ + Greek apsis, apsid- ‘arch’.

单词	diapsid
释义	Definition of diapsid in English: diapsid noun dʌɪˈapsɪddīˈapsəd Zoology A reptile of a large group characterized by the presence of two temporal openings in the skull, including the lizards, snakes, crocodiles, dinosaurs, and pterosaurs. Sometimes placed in a subclass Diapsida Example sentencesExamples It would not be safe to assume that the synapsid temporal fenestra is strictly homologous to the lower temporal fenestra of diapsids. As with many in the systematics community, I am skeptical that turtles are derived diapsids. Adding to the controversy, several independent molecular analyses also regard turtles as diapsids. The primitive reptiles were represented by lizard-like captorhinids and basal diapsids. You may also have noticed that the birds do not have their own box in the cladogram; this is because they are one subgroup of the diapsids, a clade which includes dinosaurs, snakes, and most reptiles. Origin Early 20th century: from modern Latin Diapsida, from di-¹ 'two' + Greek apsis, apsid- 'arch'. Definition of diapsid in US English: diapsid noundīˈapsəd Zoology A reptile of a large group characterized by the presence of two temporal openings in the skull, including the lizards, snakes, crocodiles, dinosaurs, and pterosaurs. Subclass Anapsida Example sentencesExamples The primitive reptiles were represented by lizard-like captorhinids and basal diapsids. As with many in the systematics community, I am skeptical that turtles are derived diapsids. It would not be safe to assume that the synapsid temporal fenestra is strictly homologous to the lower temporal fenestra of diapsids. You may also have noticed that the birds do not have their own box in the cladogram; this is because they are one subgroup of the diapsids, a clade which includes dinosaurs, snakes, and most reptiles. Adding to the controversy, several independent molecular analyses also regard turtles as diapsids. Origin Early 20th century: from modern Latin Diapsida, from di- ‘two’ + Greek apsis, apsid- ‘arch’.
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