Grypoceratidae

Grypoceratidae; Temporal range: Carboniferous–Triassic PreꞒ Ꞓ O S D C P T J K Pg N
	Domatoceras umbilicatum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Nautiloidea
Order:	Nautilida
Superfamily:	†Trigonoceratoidea
Family:	†Grypoceratidae; Hyatt in Zittle (1900)
Genera
	†Domatoceras Hyatt, 1891; †Epidomatoceras Turner, 1953; †Grypoceras Hyatt, 1884; †Gryponautilus Mojsisovics, 1902; †Gyronautilinae Zakharov and Shigeta 2000 †Gyronautilus Zakharov & Shigeta, 2000; ; †Menuthionautilus Collignon, 1933; †Neostenopoceras Zhao, Liang & Zheng, 1978; †Paradomatoceras Delepine, 1937; †Parastenopoceras Ruzhnetzev & Shimanskii, 1954; †Plummeroceras Kummel 1953 ; †Pselioceras Hyatt, 1884; †Stearoceras Hyatt, 1893; †Stenopoceras Hyatt, 1893; †Titanoceras Hyatt, 1884; †Virgaloceras Schindewolf, 1954; †Xiaohenautilus Xu, 1988;

Grypoceratidae is the longest-lived family of the Trigonoceratoidea, or of the near equivalent Centroceratina; members of the Nautilida from the Upper Paleozoic and Triassic.^[1]

^ Kummel,B. 1964. Nautiloidea-Nautilida, Treatise on Invertebrate Paleontology Part K, Teichert and Moore (eds) Geological Society of America and University of Kansas Press.

Grypoceratidae Temporal range: Carboniferous–Triassic PreꞒ Ꞓ O S D C P T J K Pg N

Domatoceras umbilicatum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Nautiloidea
Order:	Nautilida
Superfamily:	†Trigonoceratoidea
Family:	†Grypoceratidae Hyatt in Zittle (1900)
Genera
†Domatoceras Hyatt, 1891 †Epidomatoceras Turner, 1953 †Grypoceras Hyatt, 1884 †Gryponautilus Mojsisovics, 1902 †Gyronautilinae Zakharov and Shigeta 2000 †Gyronautilus Zakharov & Shigeta, 2000 †Menuthionautilus Collignon, 1933 †Neostenopoceras Zhao, Liang & Zheng, 1978 †Paradomatoceras Delepine, 1937 †Parastenopoceras Ruzhnetzev & Shimanskii, 1954 †Plummeroceras Kummel 1953 †Pselioceras Hyatt, 1884 †Stearoceras Hyatt, 1893 †Stenopoceras Hyatt, 1893 †Titanoceras Hyatt, 1884 †Virgaloceras Schindewolf, 1954 †Xiaohenautilus Xu, 1988