Brissus agassizii

Brissus agassizii is a species of sea urchins of the family Brissidae. Their armour is covered with spines. Brissus agassizii was first scientifically described in 1885 by Döderlein.^[1]

Brissus agassizii
Brissus (Allobrissus) agassizii. A: denuded test, abactinal view; B: test, actinal view; C: specimen with radioles, abactinal view; D: denuded test, side view; E: test, posterior end
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Order:	Spatangoida
Family:	Brissidae
Genus:	Brissus
Species:	B. agassizii
Binomial name
Brissus agassizii Döderlein, 1885