Reigitherium was a mammal that lived during the Late Cretaceous (Late Campanian-Maastrichtian). Its fossils have been found in the Los Alamitos and the La Colonia Formations of Argentina.
Reigitherium was a mammal that lived during the Late Cretaceous (Late Campanian-Maastrichtian). Its fossils have been found in the Los Alamitos and the La Colonia Formations of Argentina.
==Description== The original specimen of Reigitherium was a fragmentary single molar tooth, with a lot of the surface detail damaged. It was mistakenly identified as an upper left molar, but new material - including a whole tooth row of this species - clarifies that it was a lower right tooth.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).