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| | Extinct Reptiles |
 | | And, in fact, the name Anapsida, which is the condition of having no opening, notemporal fenestra, that's the condition that is found in animals placed in the subclass Anapsida. |
 | | And the Synapsid condition in which the temporal opening is somewhat low on the sideof the skull, and these 2 bones, the postorbital and squamosal bones meet above the fenestrae thatSynapsid condition is found in the subclass Synapsid. |
 | | And there are 2 subclasses that have theDiapsid condition, that's the subclass Archosauria, which includes the crocodiles and thedinosaurs, and the subclass Lepidosauria, which includes only one living order Squamata, butthat's where we find all the rest of the living reptiles. |
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