Trogontherium minutum (von Meyer, 1838)

Hír, János & Kókay, József, 2010, A systematic study of the middle-late Miocene rodents and lagomorphs (Mammalia) of Felsőtárkány 3 / 8 and 3 / 10 (Northern Hungary) with stratigraphical relations, Geodiversitas 32 (2), pp. 307-329 : 313

Trogontherium minutum (von Meyer, 1838)

DESCRIPTION

The juvenile molar is hypsodont and shows an early phase of root formation. No cement is apparent in the sinuses. Th e occlusal surface is divided into an anterior and a posterior lobe by the two transverse sinuses: hypoflexus on the lingual and mesoflexus on the labial side. Th ere is a large enamel islet in the anterior lobe, the parafosette and two islets in the posterior lobe, the metafosette and submetafosette.

COMMENTS

Trogontherium minutum is a frequent but not abundant element of late Astaracian-Early Vallesian faunas in the Carpathian Basin. The published occurences are Felsőtárkány-Felnémet 2/3 and 2/7 (MN 7-8; Hír 2006), Felsőtárkány 3/2 (MN 7-8; Hír 2003), Rudabánya (MN 9; Kordos 2003), Borsky Sväty Jur (MN 9; Sabol et al. 2004) and Götzendorf (MN 9; Bachmayer & Wilson 1984).