Calamosternus granarius is a species of dung beetle found with a widespread distribution.

[1][2][3][4] This species was formerly a member of the genus Aphodius.

[5] This is a black shiny beetle with an average length is about 4 to 6 mm.

Male and female show slight sexual dimorphisms, where the males have broad pronotum, and smooth clypeus.

Females have narrow pronotum and rugose clypeus.