diapsida

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A taxonomic group used in former classifications to include all living reptiles except turtles, now superseded by the subclasses Lepidosauria and Archosauria.

• 🌐مجموعة تصنيفية من الزواحف تضم معظم الزواحف الحديثة باستثناء السلاحف، وتُقسم حالياً إلى العظائيات الحرشفية والأركوصورات.

1. A group of reptiles C2 formal scientific

   A major clade of reptiles characterized by having two openings (temporal fenestrae) in the skull behind each eye, which includes most modern reptiles (excluding turtles) and their extinct relatives.

   • Diapsida includes lizards, snakes, crocodiles, and birds, as well as extinct dinosaurs.
   • The classification of Diapsida has been refined with modern phylogenetic studies.
   • Fossil evidence shows that Diapsida first appeared in the late Carboniferous period.

   🌐مجموعة الزواحف

• diapsida plural form
• diapsida' possessive plural form
• diapsida's possessive singular form