Teratophon

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Teratophon
Temporal range: Middle Triassic,
Fossil
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: †Parareptilia
Order: †Procolophonomorpha
Family: †Procolophonidae
Subfamily: †Procolophoninae
Genus: †Teratophon
Modesto & Damiani, 2003
Type species
†Teratophon spinigenis
(Gow, 1977a )

Teratophon is an extinct genus of procolophonine procolophonid parareptile from middle Triassic (early Anisian stage) deposits of Free State Province, South Africa. It is known from the holotype BP/1/4299, a nearly complete skull. It was collected by the South African palaeontologist, James W. Kitching from Hugoskop in the Rouxville District and referred to subzone B of the Cynognathus Assemblage Zone of the Burgersdorp Formation, Beaufort Group (Karoo Basin). It was first named by Sean P. Modesto and Ross J. Damiani in 2003 and the type species is Teratophon spinigenis. It was first assigned to a species of Thelegnathus (now considered to be a nomen dubium), Thelegnathus spinigenis.[1][2] The distinguishing feature of this genus is a noticeable posterolateral spine-like process of the quadratojugal.[1]

Phylogeny

In their phylogenetic analyses, Butler et al. (2023) defined Teratophon as a sister taxon to Procolophon and Thelerpeton or only to Procolophon within Procolophoninae. The results are shown in two cladograms below:[3]

References

  1. ^ a b Sean P. Modesto; Ross J. Damiani (2003). "Taxonomic status of Thelegnathus browni Broom, a procolophonid reptile from the South African Triassic". Annals of Carnegie Museum. 72 (1): 53–64. doi:10.5962/p.215088. S2CID 90233554.
  2. ^ C. E. Gow (1977). "New Procolophonids from the Triassic Cynognathus Zone of South Africa". Annals of the South African Museum. 72 (6): 109–124.
  3. ^ Butler, R. J.; Meade, L. E.; Cleary, T. J.; McWhirter, K. T.; Brown, E. E.; Kemp, T. S.; Benito, J.; Fraser, N. C. (2023). "Hwiccewyrm trispiculum gen. et sp. nov., a new leptopleuronine procolophonid from the Late Triassic of southwest England". The Anatomical Record. doi:10.1002/ar.25316. PMID 37735997.


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