Oryctocephalidae

Oryctocephalidae is an extinct family of trilobite in the order Corynexochida. There are more than 20 genera and 60 described species in Oryctocephalidae.^[1]

Oryctocephalidae
Fossil of Changaspis Elongate, a member of Oryctocephalidae.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	†Trilobita
Order:	†Corynexochida
Suborder:	†Corynexochina
Family:	†Oryctocephalidae Beecher, 1897

Genera

These 27 genera belong to the family Oryctocephalidae:

• † Arthricocephalus Bergeron, 1899
• † Changaspis Lee, 1963
• † Cheiruroides Kobayashi, 1935
• † Curvoryctocephalus Zhao & Yuan, 2001
• † Duyunaspis Chien & Lin, 1978
• † Feilongshania Qian & Lin, 1980
• † Goldfieldia Palmer, 1964
• † Hunanocephalus Lee, 1963
• † Kunshanaspis Zhang & Zhou, 1985
• † Metabalangia Qian & Yuan, 1980
• † Metarthricocephalus Zhao & Yuan, 2001
• † Microryctocara Sundberg & McCollum, 1997
• † Oryctocara Walcott, 1908
• † Oryctocephalina Tomashpolskaya, 1961
• † Oryctocephalites Resser, 1939
• † Oryctocephaloides Yuan, 1980
• † Oryctocephalops Lermontova, 1940
• † Oryctocephalus Walcott, 1886
• † Oryctometopus Tomashpol'skaya, 1964
• † Ovatoryctocara Chernysheva, 1962
• † Paleooryctocephalus Repina, 1964
• † Parachangaspis Liu, 1982
• † Protoryctocephalus Chow, 1974
• † Sandoveria Shergold, 1969
• † Shabaella Qian & Sun, 1977
• † Shergoldiella Geyer, 2006
• † Tonkinella Mansuy, 1922