''Thomasia'' is a

mammaliaform Mammaliaformes ("mammalian forms") is a clade that contains the crown group mammals and their closest extinct relatives; the group radiated from earlier probainognathian cynodonts. It is defined as the clade originating from the most recent com ...

from the family Haramiyidae. from the Late Triassic of Europe. Only its teeth have been found.Zofia Kielan-Jaworowska, Richard L. Cifelli, and Zhe-Xi Luo, Mammals from the Age of Dinosaurs: Origins, Evolution, and Structure (New York: Columbia University Press, 2004), 249–260.

Distribution

Fossils of the genus have been found in:''Thomasia''
at

Fossilworks Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals ...

.org ;Triassic *

Sables A sable is a mammal in the mustelid (weasel) family. Sable may also refer to: Animals * American Sable, an ARBA-recognised rabbit breed * Sable, a dog coat pattern * Sable, a ferret coat coloring * Sable antelope, an antelope which inhabits w ...

and Grès de Mortinsart Formations, Gaume, Belgium * ''Microlestes'' Quarry,

Frome Frome ( ) is a town and civil parish in eastern Somerset, England. The town is built on uneven high ground at the eastern end of the Mendip Hills, and centres on the River Frome. The town, about south of Bath, is the largest in the Mendip d ...

, England * Exter and

Trossingen Formation The Trossingen Formation, formerly the Knollenmergel, is a geological formation in Germany and Switzerland. It dates back to the late Norian-Rhaetian.Weishampel et al., 2004, pp.521–525 Vertebrate paleofauna See also * List of dinosaur- ...

s, Germany * Auf dem Heftgen,

Syren, Luxembourg Syren () is a small town in the commune of Weiler-la-Tour, in southern Luxembourg Luxembourg ( ; lb, Lëtzebuerg ; french: link=no, Luxembourg; german: link=no, Luxemburg), officially the Grand Duchy of Luxembourg, ; french: link=no, Gran ...

Klettgau Formation The Klettgau Formation is a geological formation in Switzerland. It is Late Triassic in age, covering most of the mid to late Norian, the Carnian, and into the Rhaetian, spanning a period of 26-30 million years.Gres à Avicula contorta Formation The Gres a Avicula contorta is a geological formation in France. It dates back to the late Norian.Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Triassic, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka ( ...

Franche-Comté Franche-Comté (, ; ; Frainc-Comtou: ''Fraintche-Comtè''; frp, Franche-Comtât; also german: Freigrafschaft; es, Franco Condado; all ) is a cultural and historical region of eastern France. It is composed of the modern departments of Doubs, ...

and

Lorraine Lorraine , also , , ; Lorrain: ''Louréne''; Lorraine Franconian: ''Lottringe''; german: Lothringen ; lb, Loutrengen; nl, Lotharingen is a cultural and historical region in Northeastern France, now located in the administrative region of Gr ...

, France ;Jurassic * Pant Fissure System 4, Pant Quarry,

St Brides Major (community) St Brides Major ( cy, Sant-y-Brid) is a community on the western edge of the Vale of Glamorgan, South Wales. Its largest settlement is the village of St Brides Major, and also includes the villages of Ogmore-by-Sea and Southerndown, and the h ...

, Wales

References

Haramiyida Rhaetian life Hettangian life Prehistoric cynodont genera Late Triassic synapsids of Europe Early Jurassic synapsids of Europe Jurassic England Jurassic France Jurassic Germany Jurassic Switzerland Fossils of Belgium Fossils of England Fossils of France Fossils of Germany Fossils of Luxembourg Fossil taxa described in 1847 {{Jurassic-animal-stub