Artiopoda - Proetida - Bathyuridae

Alternative spelling: Hadrohybus

Full reference: P. E. Raymond. 1925. Some trilobites of the lower Middle Ordovician of eastern North America. Bulletin of the Museum of Comparative Zoölogy at Harvard College 67(1):1-180

Parent taxon: Bolbocephalus according to R. A. Fortey 1988

See also Sepkoski 2002

Sister taxa: Bolbocephalus convexus, Bolbocephalus ellesmerensis, Bolbocephalus glaber, Bolbocephalus gunnari, Bolbocephalus jeffersonensis, Bolbocephalus kindlei, Bolbocephalus myktos, Bolbocephalus seelyi, Bolbocephalus stclairi, Bolbocephalus stitti

Subtaxa: Hadrohybus dunbari

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Type: Hadrohybus dunbari

Distribution: found only at Stearing Island (Ordovician of Newfoundland)

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