''Agassizia'' is a genus of

sea urchin Sea urchins () are spiny, globular echinoderms in the class Echinoidea. About 950 species of sea urchin live on the seabed of every ocean and inhabit every depth zone from the intertidal seashore down to . The spherical, hard shells (tests) of ...

of the family

Prenasteridae Prenasteridae is a family of echinoderms belonging to the order Spatangoida. Genera: * ''Agassizia ''Agassizia'' is a genus of sea urchin of the family Prenasteridae. The species was first scientifically described in 1869 by Achille Valencienn ...

. The species was first scientifically described in 1869 by

Achille Valenciennes Achille Valenciennes (9 August 1794 – 13 April 1865) was a French zoologist. Valenciennes was born in Paris, and studied under Georges Cuvier. His study of parasitic worms in humans made an important contribution to the study of parasitology. ...

.Kroh, A. (2015)
''Agassizia''
Valenciennes, 1846. In: Kroh, A. & Mooi, R. (2015) World Echinoidea Database. at the

World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms. Content The content of the registry is edited and maintained by scientific specialist ...

References

Schizasteridae Echinoidea genera Fossil taxa described in 1846 {{echinoidea-stub