Stahleckeriidae

Stahleckeriidae is a family of dicynodont therapsids whose fossils are known from the Triassic of North America, South America, Asia and Africa.^[1]

Stahleckeriids Temporal range: Triassic, 252–201.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Mounted skeleton of Ischigualastia jenseni
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Clade:	Therapsida
Suborder:	†Anomodontia
Clade:	†Dicynodontia
Clade:	†Kannemeyeriiformes
Family:	†Stahleckeriidae Cox, 1965
Subgroups
†Sungeodon? †Placeriinae †Lisowicia †Moghreberia †Placerias †Pentasaurus †Zambiasaurus †Stahleckeriinae †Eubrachiosaurus †Ischigualastia †Jachaleria †Sangusaurus †Stahleckeria †Ufudocyclops

Classification

Phylogeny

Below is a cladogram from Kammerer et al. (2013):^[1]

Kannemeyeriiformes

Angonisaurus Shansiodontidae Tetragonias Vinceria Shansiodon Rhinodicynodon Dinodontosaurus Shaanbeikannemeyeria Kannemeyeria simocephalus Kannemeyeria lophorhinus Parakannemeyeria Xiyukannemeyeria Dolichuranus Rechnisaurus Uralokannemeyeria Rhadiodromus Sinokannemeyeria Rabidosaurus Wadiasaurus Stahleckeriidae Placeriinae Zambiasaurus Placerias Moghreberia Stahleckeriinae Stahleckeria Eubrachiosaurus Sangusaurus Jachaleria Ischigualastia

Genera

Genus	Status	Age	Location	Description	Images
Eubrachiosaurus	Valid	Norian^[2]	United States
Ischigualastia	Valid	Carnian	Argentina
Lisowicia	Valid	Norian—Rhaetian?	Poland
Jachaleria	Valid	Norian^[3]	Argentina and Brazil
Moghreberia	Valid	Carnian	Morocco
Placerias	Valid	Norian^[4]	United States
Pentasaurus	Valid	Late Triassic	South Africa
Sangusaurus	Valid	Anisian	Zambia
Stahleckeria	Valid	Ladinian	Brazil and Namibia
Sungeodon?	Valid	Induan	China	Initially identified as a stahleckeriid, possibly a more basal genus.
Ufudocyclops	Valid	Anisian?	South Africa
Zambiasaurus	Valid	Anisian	Zambia

References

1. Kammerer, C. F.; Fröbisch, J. R.; Angielczyk, K. D. (2013). Farke, Andrew A (ed.). "On the Validity and Phylogenetic Position of Eubrachiosaurus browni, a Kannemeyeriiform Dicynodont (Anomodontia) from Triassic North America". PLOS ONE. 8 (5): e64203. doi:10.1371/journal.pone.0064203. PMC 3669350. PMID 23741307.
2. Kammerer, C. F.; Fröbisch, J. R.; Angielczyk, K. D. (2013). Farke, Andrew A. (ed.). "On the Validity and Phylogenetic Position of Eubrachiosaurus browni, a Kannemeyeriiform Dicynodont (Anomodontia) from Triassic North America". PLOS ONE. 8 (5): e64203. Bibcode:2013PLoSO...864203K. doi:10.1371/journal.pone.0064203. PMC 3669350. PMID 23741307.
3. Kammerer, C. F.; Ordoñez, M. D. (2021). "Dicynodonts (Therapsida: Anomodontia) of South America". Journal of South American Earth Sciences. 108: 103171. Bibcode:2021JSAES.10803171K. doi:10.1016/j.jsames.2021.103171. S2CID 233565963.
4. Irmis, Randall B.; Mundil, Roland; Martz, Jeffrey W.; Parker, William G. (2011-09-15). "High-resolution U–Pb ages from the Upper Triassic Chinle Formation (New Mexico, USA) support a diachronous rise of dinosaurs". Earth and Planetary Science Letters. 309 (3): 258–267. doi:10.1016/j.epsl.2011.07.015. ISSN 0012-821X.