ammonites
Productus (Tschernyschewia) mysius Enderle 1900 (lamp shell)

Strophomenata - Productida - Tschernyschewiidae

Alternative combination: Productus mysius

Belongs to Productus (Tschernyschewia) according to F. R. C. Reed 1944

Sister taxa: Tschernyschewia americana, Tschernyschewia fugax, Tschernyschewia geniculata, Tschernyschewia pseudoirginae, Tschernyschewia punjabensis, Tschernyschewia sinensis, Tschernyschewia transindicus, Tschernyschewia typica, Tschernyschewia vicinalis

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 27.0 x 26.0, valve 25.0 x 25.0