Dactylioceratidae

Dactylioceratidae
Temporal range: early Jurassic
Ammonites of genus Dactylioceras from Schleifhausen (Germany)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Superfamily: Eoderoceratoidea
Family: Dactylioceratidae
Hyatt, 1867

The family Dactylioceratidae comprises Early Jurassic ammonite genera with ribbed and commonly tuberculate shells that resembled later Middle Jurassic stephanoceratids and Upper Jurassic perisphinctids. Shells may be either evolute or involute.