The Order Sphenodontida is further organized into finer groupings including:
- Family (3): Pleurosauridae · Reptilia · Sphenodontidae
- Species: ZipcodeZoo has pages for 11 species and subspecies in the Order Sphenodontida.
At least 18 species and subspecies belong to the Family Sphenodontidae.
More info about the Family Sphenodontidae may be found here.
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