Unresolved name

Unresolved name: Biota » Animal » Echinoderms » Echinozoa » Sea Urchins » Euechinoidea » Irregularia » Atelostomata » Spatangoida » Paleopneustina » Heterobrissus «

Heterobrissus hystrix (A. Agassiz 1880)

Heterobrissus hystrix is a species of .