[MM] Helvetiodon schutzi
The Earliest-Known Stem Mammals
DESCRIBER Clemens,1980
TIME Triassic Late
Rhaetian
CLASS Mammalia
SUBCLASS Incertae Sedis
ORDER Morganucodonta (Kermack, et al., 1973)
FAMILY Morganucodontidae (Kühne, 1958)
FOSSILSITE Hallau bonebed , Kanton Schaffhausen, Switserland
INFO
Type species by monotype. Based on an isolated tooth. The main cusp A differs frome those of Morganucodon in having wrinkled enamel. In this feature Helvetiodon is similar to Brachyzostrodon and Wareolestes