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Aphaneramma

Summary

Aphaneramma is an extinct genus of marine temnospondyl amphibian. It lived during the Early Triassic epoch, approximately 252–247 Ma ago, and had a global distribution.

Aphaneramma
Temporal range: Early Triassic
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Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Order: †Temnospondyli
Suborder: †Stereospondyli
Family: †Trematosauridae
Subfamily: †Lonchorhynchinae
Genus: †Aphaneramma
Woodward, 1904
Type species
†Aphaneramma rostratum
Woodward, 1904
Other species
  • †A. gavialimimus Fortuny et al., 2017
  • †A. kokeni (von Huene, 1920)
Synonyms

Halobatrachus Hammer, 1987

Early Triassic and Anisian marine predators:[1] 7. Aphaneramma

Fossils have been found in the Mianwali Formation of Pakistan,[2] Madagascar,[3] the Zhitkov Formation of Russia,[4] and the Vikinghøgda Formation (Kongressfjellet Formation) of Svalbard (Norway).[5]

Aphaneramma had a skull about 40 centimetres (16 in) in length.[3] Its jaws were very long, similar to the extant gharial's, and lined with small teeth. This adaptation suggests that it may have preyed on fish. A marine lifestyle for this animal was proposed.[1]

Aphaneramma is closely related to Cosgriffius from North America.

References edit

  1. ^ a b Scheyer, Torsten M.; Romano, Carlo; Jenks, Jim; Bucher, Hugo (19 March 2014). "Early Triassic Marine Biotic Recovery: The Predators' Perspective". PLOS ONE. 9 (3): e88987. Bibcode:2014PLoSO...988987S. doi:10.1371/journal.pone.0088987. PMC 3960099. PMID 24647136.
  2. ^ Maisch, Michael W. (31 March 2020). "Aphaneramma kokeni (von Huene, 1920), a lonchorhynchine trematosaurid (Amphibia: Temnospondyli) from the Lower Triassic of Pakistan". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 295 (3): 211–241. doi:10.1127/njgpa/2020/0879. S2CID 216325073.
  3. ^ a b Fortuny, Josep; Gastou, Stéphanie; Esquillié, François; Ranivoharimanana, Lovasoa; Steyer, Sébastien (29 June 2017). "A new extreme longirostrine temnospondyl from the Triassic of Madagascar: phylogenetic and palaeobiogeographical implications for trematosaurids". Journal of Systematic Palaeontology. 16 (8): 675–688. doi:10.1080/14772019.2017.1335805. S2CID 134191156.
  4. ^ Zhitkov Formation at Fossilworks.org
  5. ^ Woodward, Arthur Smith (1904). "On two new labyrinthodont skulls of the genera Capitosaurus and Aphaneramma". Proceedings of the Zoological Society of London. 1904 (3): 170–176. doi:10.1111/j.1469-7998.1904.tb08328.x.