Papposaurus

Papposaurus; Temporal range: Late Mississippian, Namurian A (Serpukhovian) PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Sarcopterygii
Clade:	Tetrapodomorpha
Order:	† Embolomeri
Family:	† Proterogyrinidae
Genus:	† Papposaurus ; Watson, 1914
Type species
	Papposaurus traquairi; Watson, 1914

Last updated May 27, 2025

Papposaurus is an extinct genus of proterogyrinid embolomere which lived in the Mississippian (early Carboniferous) of Scotland. It is known from a single species, Papposaurus traquiairi, which is based on an isolated femur discovered in ironstone near Loanhead.^[1]^[2] Though originally compared closely to reptiles,^[3] subsequent study has revealed closer similarity to basal embolomeres such as Proterogyrinus and Archeria .^[1] With such limited remains, Papposaurus may not be a valid genus. The femur was redescribed in 1986 by T. R. Smithson, who considered Papposaurus traquairi a nomen vanum possibly synonymous with Proterogyrinus scheelei.^[4]

References

1 2 Holmes, R. (2 November 1984). "The Carboniferous Amphibian Proterogyrinus scheelei Romer, and the Early Evolution of Tetrapods". Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 306 (1130): 431–524. Bibcode:1984RSPTB.306..431H. doi:10.1098/rstb.1984.0103. JSTOR 2396081.
↑ Smithson, T. R. (1985-09-01). "Scottish Carboniferous amphibian localities" . Scottish Journal of Geology. 21 (2): 123–142. doi:10.1144/sjg21020123. ISSN 0036-9276. S2CID 130137425.
↑ Watson, D. M. S. (August 1914). "III.—On a Femur of Reptilian Type from the Lower Carboniferous of Scotland". Geological Magazine. 1 (8): 347–348. Bibcode:1914GeoM....1..347W. doi:10.1017/S0016756800139883. ISSN 1469-5081. S2CID 129907374.
↑ Smithson, T. R. (September 1986). "A new anthracosaur amphibian from the Carboniferous of Scotland" (PDF). Palaeontology. 29 (3): 603–628.

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[:1-1] 1 2 Holmes, R. (2 November 1984). "The Carboniferous Amphibian Proterogyrinus scheelei Romer, and the Early Evolution of Tetrapods". Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 306 (1130): 431–524. Bibcode:1984RSPTB.306..431H. doi:10.1098/rstb.1984.0103. JSTOR 2396081.

[2] Smithson, T. R. (1985-09-01). "Scottish Carboniferous amphibian localities" . Scottish Journal of Geology. 21 (2): 123–142. doi:10.1144/sjg21020123. ISSN 0036-9276. S2CID 130137425.

[3] Watson, D. M. S. (August 1914). "III.—On a Femur of Reptilian Type from the Lower Carboniferous of Scotland". Geological Magazine. 1 (8): 347–348. Bibcode:1914GeoM....1..347W. doi:10.1017/S0016756800139883. ISSN 1469-5081. S2CID 129907374.

[4] Smithson, T. R. (September 1986). "A new anthracosaur amphibian from the Carboniferous of Scotland" (PDF). Palaeontology. 29 (3): 603–628.

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