''Clypeaster euclastus'' is a species of

sea urchin Sea urchins or urchins () are echinoderms in the class (biology), class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth zones from the intertidal zone to deep seas of . They typically have a globular body cove ...

s of the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Clypeasteridae. Their armour is covered with spines. ''Clypeaster euclastus'' was first scientifically described in 1941 by

Hubert Lyman Clark Hubert Lyman Clark (January 9, 1870 – July 31, 1947) was an American zoologist. He received the Clarke Medal from the Royal Society of New South Wales in 1947. A son of UMass Amherst president William Smith Clark, he spent more than 40 years ...

.Kroh, A. (2010). ''Clypeaster euclastus'' (Clark, 1941). In: Kroh, A. & Mooi, R. (2010
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 catalogue and list of names of marine organisms. Content The content of the registry is edited and maintained by scien ...

References

Animals described in 1941 euclastus {{Echinoidea-stub