Order - Rhynchocephalia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Parvphylum: Osteichthyes
Megaclass: Tetrapoda
Class: Reptilia
Order: Rhynchocephalia
Name derivation: “beak heads”
- Family: Sphenodontidae (tuatara)
Number of known Species: 1
Earliest Fossil Record: Middle Triassic 238 to 240 mya
Habitat: Terrestrial
Size Range: up to 43 cm
Notes: Based on Catalogue of Life as of July 2024