Datheosaurus

Datheosaurus; Temporal range: Late Carboniferous - Early Permian, 299–296.4 Ma PreЄ Є O S D C P T J K Pg N ↓
	Skeleton
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	†Caseasauria
Family:	†Caseidae
Genus:	†Datheosaurus; Schroeder, 1905
Species
	†D. macrourus Schroeder, 1905 (type);

Datheosaurus is an extinct genus of caseasaur. It was at least 1.5 metres (5 ft) in length. It lived from Latest Carboniferous to Early Permian.

Discovery and history

Restoration

It was originally described in 1905 on a basis of a specimen from late Carboniferous deposits in Poland. It was later considered a synonym of Haptodus by several authors, but subsequent examination has found it be a caseid rather a sphenacodont.^[1] This was confirmed by cladistic analysis, which recovered Datheosaurus as a basal caseid ^[2]

References

↑ Frederik Spindler; Jocelyn Falconnet & Jörg Fröbisch (2015). "Callibrachion and Datheosaurus, two historical and previously mistaken basal caseasaurian synapsids from Europe". Acta Palaeontologica Polonica. 61. doi:10.4202/app.00221.2015.
↑ Neil Brocklehurst; Robert Reisz; Vincent Fernandez & Jörg Fröbisch (2016). "A Re-Description of 'Mycterosaurus' smithae, an Early Permian Eothyridid, and Its Impact on the Phylogeny of Pelycosaurian-Grade Synapsids". PLoS ONE. doi:10.1371/journal.pone.0156810.

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[1] Frederik Spindler; Jocelyn Falconnet & Jörg Fröbisch (2015). "Callibrachion and Datheosaurus, two historical and previously mistaken basal caseasaurian synapsids from Europe". Acta Palaeontologica Polonica. 61. doi:10.4202/app.00221.2015.

[2] Neil Brocklehurst; Robert Reisz; Vincent Fernandez & Jörg Fröbisch (2016). "A Re-Description of 'Mycterosaurus' smithae, an Early Permian Eothyridid, and Its Impact on the Phylogeny of Pelycosaurian-Grade Synapsids". PLoS ONE. doi:10.1371/journal.pone.0156810.