Acheloma

Acheloma
Temporal range: Early Permian, 279.5–272.5 Ma
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: †Temnospondyli
Family: †Trematopidae
Genus: †Acheloma
Cope, 1882
Species
  • A. cumminsi Cope, 1882
  • A. dunni Polley & Reisz, 2011
Synonyms

Trematops milleri Williston, 1909

Skeleton

Acheloma (also known as Trematops milleri) is an extinct genus of temnospondyl that lived during the Early Permian.[1][2] The type species is A. cumminsi. Trematops milleri has been synonymized with Acheloma. Like other trematopids, Acheloma was a large terrestrial carnivore, as shown both by its morphology and bone microanatomy.[3] One species, A. dunni, may have been the top predator of the diverse Richards Spur assemblage in Oklahoma. The following cladogram shows the phylogenetic position of Acheloma, from Polley & Reisz, 2011.[4]

Dissorophoidea 

 

Sclerocephalus haeuseri

 
 

Micromelerpeton credneri

 
 

 

Micropholis stowi

 
 

 

Eoscopus lockardi

 
 Olsoniformes 

 

Cacops morrisi

 
 Trematopidae 

 

Phonerpeton pricei

 
 

 Acheloma 

 

Acheloma cumminsi

 
 

Acheloma dunni

 
 
 

 

Actiobates peabodyi

 
 

 

Ecolsonia cutlerensis

 
 

 

Anconastes vesperus

 
 

Tambachia trogallas

 
 
 
 
 
 
 
 
 
 

References

  1. ↑ "The Paleobiology Database". Retrieved 6 January 2010.
  2. ↑ Dilkes, David William; Robert Reisz (December 30, 1987), "Trematops milleri identified as a junior synonym of Acheloma cumminsi with a revision of the genus", American Museum Novitates, American Museum of Natural History (2902)
  3. ↑ Quémeneur, S.; de Buffrénil, V.; Laurin, M. (2013). "Microanatomy of the amniote femur and inference of lifestyle in limbed vertebrates". Biological Journal of the Linnean Society. 109 (3): 644–655. doi:10.1111/bij.12066.
  4. ↑ Polley, B.P.; and Reisz, R.R. (2011). "A new Lower Permian trematopid (Temnospondyli: Dissorophoidea) from Richards Spur, Oklahoma". Zoological Journal of the Linnean Society. 161 (4): 789–815. doi:10.1111/j.1096-3642.2010.00668.x.


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