anapsid

• Substantivo que designa um réptil primitivo cujo crânio não possui aberturas temporais; esse grupo inclui todas as formas fósseis, com exceção das tartarugas.

A noun referring to a primitive reptile characterized by a skull with no temporal openings; this group includes all extinct forms except for turtles.

1. C2formalscientific

   A primitive reptile characterized by a skull with no temporal openings behind the eye sockets; all members of this group are now extinct except for turtles.

   Réptil primitivo

   • The anapsid skull structure is a key feature in understanding early reptile evolution.
   • Turtles are the only surviving anapsid reptiles today.
   • Fossil evidence shows that many anapsid species lived during the Permian period.