Aphaneramma

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:
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
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

Fossils have been found in the Mianwali Formation of Pakistan, Madagascar, the Zhitkov Formation of Russia, and the Vikinghøgda Formation (Kongressfjellet Formation) of Svalbard (Norway).

Aphaneramma had a skull about 40 centimetres (16 in) in length. 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.

Aphaneramma is closely related to Cosgriffius from North America.

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