| Teratophon Temporal range:
Middle Triassic,
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| Fossil | |
Scientific classification
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | † Parareptilia |
| Order: | † Procolophonomorpha |
| Family: | † Procolophonidae |
| Subfamily: | † Procolophoninae |
| Genus: | †
Teratophon Modesto & Damiani, 2003 |
| Type species | |
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†Teratophon spinigenis (Gow, 1977a [originally
Thelegnathus spinigenis])
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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]
Analyses 1 and 3: Strict consensus of 760 and 18 most parsimonious trees (MPTs).
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Analysis 2: Single MPT.
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References
- ^ 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.
- ^ C. E. Gow (1977). "New Procolophonids from the Triassic Cynognathus Zone of South Africa". Annals of the South African Museum. 72 (6): 109–124.
- ^ 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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