Cephalopoda - Ammonitida - Knemiceratidae

Alternative combination: Knemiceras semicostatum

Belongs to Glottoceras according to E. Robert 2002

Sister taxa: Glottoceras attenuatum, Glottoceras crassicostatum, Glottoceras crassinodosum, Glottoceras gabbi, Glottoceras laraense, Glottoceras moorei, Glottoceras ollonense, Glottoceras ovale, Glottoceras raimondii, Glottoceras sommermeieri, Glottoceras triangulare

Ecology: fast-moving nektonic carnivore