Trematosaurinae

Trematosaurinae is a subfamily of temnospondyl amphibians within the family Trematosauridae. Like all trematosaurids, they were marine piscivores, resembling crocodiles in their general build. Unlike the long, almost gharial-like snouts of the Lonchorhynchinae, the Trematosaurinae had more "normal" crocodile-like skulls.[1]

Trematosaurinae
Temporal range: Triassic
Fossil of Trematolestes hagdorni in the State Museum of Natural History Stuttgart
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Order: Temnospondyli
Suborder: Stereospondyli
Family: Trematosauridae
Subfamily: Trematosaurinae
Watson, 1919

Classification

Below is a cladogram from Steyer (2002) showing the phylogenetic relationships of trematosaurids:[2]

Trematosauridae 
 Trematosaurinae 

Tertrema

Lyrocephaliscus

Platystega

Luzocephalus

Trematosaurus

Trematosuchus

 Lonchorhynchinae 

Aphaneramma

Erythrobatrachus

Cosgriffius

Stoschiosaurus

Wantzosaurus

References

  1. Damani, Ross (2004). “Cranial anatomy and relationships of Microposaurus casei, a temnospondyl from the MiddleTriassic of South Africa”. Journal of Vertebrate Paleontology, 24(3): 533–541
  2. Steyer, J. S. (2002). "The first articulated trematosaur 'amphibian' from the Lower Triassic of Madagascar: implications for the phylogeny of the group". Palaeontology. 45: 771–793. doi:10.1111/1475-4983.00260.


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