Class - Reptilia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Parvphylum: Osteichthyes
Megaclass: Tetrapoda
Class: Reptilia
- Order: Crocodylia
- Order: Rhynchocephalia
- Order: Squamata
- Order: Testudines
Number of Families: 91
Number of Genus: 1,260
Number of known Species: 12,162
Notes: Not recognised as a legitimate class by many taxonomists as Reptilia is a paraphyletic grouping, which includes Aves and Mammalia. Name kept for historical reasons.