Plagiosaurus

Plagiosaurus is an extinct genus of temnospondyl amphibian. The type and only species is P. depressus, first described by Otto Jaekel in 1914.^[1] Arthur Smith Woodward regarded the genus as a synonym of Plagiosternum, but most researchers consider it to be valid.^[2] It was paedomorphic, retaining the larval gills in adulthood. Like many stereospondyls, it had weak simplified vertebrae, consisting of large intercentra and neural arches, which is known as the stereospondylous condition.

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Plagiosaurus Temporal range: Triassic
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Order:	†Temnospondyli
Suborder:	†Stereospondyli
Family:	†Plagiosauridae
Genus:	†Plagiosaurus Jaekel, 1914
Type species
†Plagiosaurus depressus Jaekel, 1914

References

1. Witzmann, F.; Schoch, R. R. (2024). "Osteology and phylogenetic position of Plagiosaurus depressus (Temnospondyli: Plagiosauridae) from the Late Triassic of Germany and the repeated loss of dermal bones in plagiosaurids". Zoological Journal of the Linnean Society. doi:10.1093/zoolinnean/zlae014.
2. Transactions of the American Philosophical Society. Vol. 35. American Philosophical Society. 1946. p. 395. ISBN 978-1-4223-7723-9.