''Chaetodiadema keiense'' 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 ...

Diadematidae The Diadematidae are a family of sea urchins. Their tests are either rigid or flexible and their spines are long and hollow. * '' Astropyga'' Gray, 1825 **'' Astropyga radiata'' ( Leske, 1778), extant **'' Astropyga pulvinata'' (Lamarck, 1816), ...

, their naming reflecting the fact that their armour is covered with spines. Chaetodiadema keiense was first scientifically described in 1939 by

Ole Theodor Jensen Mortensen Ole Theodor Jensen Mortensen, also known as Theodor Mortensen (22 February 1868, Harløse, Hillerød – 3 April 1952) was a Danish scientist and professor at the Zoological Museum, Copenhagen. He specialized in sea urchin Sea urchins or ur ...

.Kroh, A. (2010). ''Chaetodiadema keiense'' (Mortensen, 1939). 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 1939 Diadematidae Taxa named by Ole Theodor Jensen Mortensen {{Echinoidea-stub

See also

References