Grypoceratidae is the longest-lived family of the Trigonoceratoidea, or of the near equivalent Centroceratina; members of the Nautilida from the Upper...

bottom fish, and perhaps other cephalopods. Titanoceras is placed in the Grypoceratidae, a family of similar genera within the Nautilida. Nautilid families...

families, the type, Trigonoceratidae, along with the Centroceratidae, Grypoceratidae, Permoceratidae, and Syringonautilidae. Phylogenetic study and age show...

a strictly Triassic family, derived early in the Triassic from the Grypoceratidae. The Syringonautilidae are characterized by generally involute shells...

Domain: Eukaryota Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Subclass: Nautiloidea Order: Nautilida Family: †Grypoceratidae Genus: †Stearoceras...

America, southern Asia, and Europe that belongs to the nautilid family Grypoceratidae. Named by Alpheus Hyatt in 1883, the shell of Grypoceras is essentially...

coiled nautiloid cephalopods) belonging to the trigonoceratacean family Grypoceratidae, characterized by involute, inflated shells, which at maturity develop...

Centroceratina) early in the Mississippian along with the longer lived Grypoceratidae. Of the five families of the Trigonocerataceae, the Trigonoceratidae...

Domatoceras is a nautiloid genus and member of the Grypoceratidae from the Pennsylvanian and Permian with a wide spread distribution. The shell of Domatoceras...

Trigonocerataceae, and is derived from the Mississippian (L Carb) - Triassic Grypoceratidae. Permoceras was first identified in the Lower Permian of Timur in the...