Cephalopoda - Ammonitida - Schlotheimiidae
Parent taxon: Angulaticeras according to Buckman 1844
Sister taxa: Angulaticeras angustisulcata, Angulaticeras boucaultianum, Angulaticeras cachinensis, Angulaticeras charmassei, Angulaticeras coquandi, Angulaticeras deletum, Angulaticeras densilobatum, Angulaticeras dumitricai, Angulaticeras etruscum, Angulaticeras flaghillense, Angulaticeras lacunatum, Angulaticeras leigneletii, Angulaticeras marmoreum, Angulaticeras ochoticum, Angulaticeras posttaurinus, Angulaticeras rotundum, Angulaticeras rumpens, Angulaticeras sulcatum, Charmasseiceras strassenense, Charmasseiceras hercynicum, Hesperites clarae, Angulaticeras (Sulciferites) helvii, Angulaticeras (Sulciferites) marmoreum, Angulaticeras (Sulciferites) chtelnicaense, Sulciferites hongkongensis
Subtaxa: Angulaticeras (Angulaticeras) spinosus
Ecology: fast-moving nektonic carnivore
Distribution: found only at Male Karpaty Mts., Chtelnica localities 1-2, Beds 4 and 5 (Jurassic of Slovakia)