Question

Single lower temporal vacuity is present in?​

Answer 1

This type of skull was found in Dimetrodon (Pelycosauria) and the mammal-like therapsid reptiles (Cynognathus), in which there was only one inferior temporal vacuity on each side of the skull but it was guarded by postorbital and squamosal bones above and jugal and quadratojugal below.

Answer 2

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by MV Deshmukh · 2020 — Synapsida: In this group a single opening is present with postorbital and squamosal ... 1. lack of a temporal opening on the side of the skull . ... jaw and one row of teeth in their lower jaw.