Cynosphenodon

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Cynosphenodon
Temporal range: Middle Jurassic
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Rhynchocephalia
Family: Sphenodontidae
Genus: Cynosphenodon
Reynoso, 1996
Type species
Cynosphenodon huizachalensis
Reynoso, 1996

Cynosphenodon (/ˌsnəˈsfɛnədɒn/ SY-nə-SFEN-ə-don; "Dog Sphenodontian") is an extinct genus of the family Sphenodontidae from the Middle Jurassic La Boca Formation of Tamaulipas, Mexico.[1] Growth patterns in the teeth of Cynosphenodon suggest its close relationship with the modern tuatara.[2]

References[edit]

  1. ^ Reynoso, Victor-Hugo (1996-06-05). "A Middle Jurassic Sphenodon-like sphenodontian (Diapsida: Lepidosauria) from Huizachal Canyon, Tamaulipas, Mexico". Journal of Vertebrate Paleontology. 16 (2): 210–221. doi:10.1080/02724634.1996.10011309. ISSN 0272-4634.
  2. ^ Reynoso, V. H. (2003). Growth patterns and ontogenetic variation of the teeth and jaws of the Middle Jurassic sphenodontian Cynosphenodon huizachalensis (Reptilia: Rhynchocephalia). Canadian Journal of Earth Sciences 40(4), 609–619