Corynexochida

Oryctocephalites robustus

Order Corynexochida / Suborder Corynexochina / Family Oryctocephalidae / Family Oryctocephalinae

Cambrian, Series 2, Stage 4 to Miaolingian, WuliuanGuizhou

Oryctocephalites robustus — photo 1 — Photo 1 · to Holotype GK1215 (Guizhou; Yuan Jinliang et al. (Guizhou; Yuan Jinliang et al. 2002) 2002)

Oryctocephalites robustus — photo 2 — Photo 2 · to Holotype GK1215 (Guizhou; Yuan Jinliang et al. (Guizhou; Yuan Jinliang et al. 2002) 2002)

Classification

Order Corynexochida / Suborder Corynexochina / Family Oryctocephalidae / Family Oryctocephalinae

Genus

Oryctocephalites Resser, 1939

Genus author

Resser C. E

Genus etymology

Oryctocephal-, from Oryctocephalus, a trilobite genus name; -ites, a noun suffix meaning similar to or related

Species

O. robustus (Zhao & Yuan in Yuan et al., 2002)

Species author

Zhao Yuanlong, Yuan Jinliang

Species etymology

robustus, robust

Age

Cambrian, Series 2, Stage 4 to Miaolingian, Wuliuan

Distribution

Guizhou

Synonyms

Oryctocephaloides robustus

Diagnosis

Compared with O. convexus, the glabellar furrows are distinct and none reaches the dorsal furrow, the free cheek is slightly wider, the thoracic axis broad, and the pygidium bears four pairs of pleural spines.