''Clypeaster'',
common name
In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often contrast ...
"cake urchins" or "sea biscuits", is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
echinoderm
An echinoderm () is any member of the phylum Echinodermata (). The adults are recognisable by their (usually five-point) radial symmetry, and include starfish, brittle stars, sea urchins, sand dollars, and sea cucumbers, as well as the sea ...
s belonging to the family
Clypeasteridae
Clypeasteridae is a family of sea urchins in the order Clypeasteroida. This family was first scientifically described in 1835 by the Swiss-American biologist Louis Agassiz.
Genera
The World Register of Marine Species list the following genera a ...
.
Etymology
The genus name ''Clypeaster'' is derived from the Latin “clypeus” (meaning ''round shield'') and “aster” (meaning ''star''), with reference to the shape of these organisms.
List of species
* ''
Clypeaster aloysioi''
(Brito, 1959)
* ''
Clypeaster amplificatus''
Koehler, 1922
* ''
Clypeaster annandalei''
Koehler, 1922
* ''
Clypeaster australasiae''
(Gray, 1851)
* ''
Clypeaster chesheri
''Clypeaster chesheri'' is a species of sea urchins of the Family Clypeasteridae. Their armour is covered with spines. Clypeaster chesheri was first scientifically described in 1970 by Serafy.Kroh, A. (2010). ''Clypeaster chesheri'' (Serafy, 19 ...
''
Serafy, 1970
* ''
Clypeaster cyclopilus
''Clypeaster cyclopilus'' is a species of sea urchins of the Family Clypeasteridae. Their armour is covered with spines. Clypeaster cyclopilus was first scientifically described in 1941 by Hubert Lyman Clark.Kroh, A. (2010). ''Clypeaster cyclop ...
''
H.L. Clark, 1941
* ''
Clypeaster durandi
''Clypeaster durandi'' is a species of sea urchins of the Family Clypeasteridae. Their armour is covered with spines. Clypeaster durandi was first scientifically described in 1959 by Cherbonnier.Kroh, A. (2010). ''Clypeaster durandi'' (Cherbonn ...
''
(Cherbonnier, 1959b)
* ''
Clypeaster elongatus
''Clypeaster elongatus'' is a species of sea urchins of the Family Clypeasteridae. Their armour is covered with spines. Clypeaster elongatus was first scientifically described in 1948 by Hubert Lyman Clark.Kroh, A. (2010). ''Clypeaster elongatu ...
''
H.L. Clark, 1948
* ''
Clypeaster euclastus''
H.L. Clark, 1941
* ''
Clypeaster europacificus''
H.L. Clark, 1914
* ''
Clypeaster eurychorius''
H.L. Clark, 1924
* ''
Clypeaster euryptealus''
H.L. Clark, 1925
* ''
Clypeaster fervens''
Koehler, 1922
* ''
Clypeaster humilis''
(Leske, 1778)
* ''
Clypeaster isolatus''
Serafy, 1971
* ''
Clypeaster japonicus''
Döderlein, 1885
* ''
Clypeaster kieri''
Pawson & Phelan, 1979
* ''
Clypeaster lamprus''
H.L. Clark, 1914
* ''
Clypeaster latissimus''
(Lamarck, 1816)
* ''
Clypeaster leptostracon
''Clypeaster'', common name "cake urchins" or "sea biscuits", is a genus of echinoderms belonging to the family Clypeasteridae.
Etymology
The genus name ''Clypeaster'' is derived from the Latin “clypeus” (meaning ''round shield'') and “as ...
''
A. Agassiz & H.L. Clark, 1907
* ''
Clypeaster luetkeni''
Mortensen, 1948
* ''
Clypeaster lytopetalus''
A. Agassiz & H.L. Clark, 1907
* ''
Clypeaster microstomus''
Lambert, 1912 †
* ''
Clypeaster miniaceus''
H.L. Clark, 1925
* ''
Clypeaster minihagali''
Deraniyagala, 1956 †
* ''
Clypeaster nummus''
Mortensen, 1948
* ''
Clypeaster ochrus''
H.L. Clark, 1914
* ''
Clypeaster ohshimensis''
Ikeda, 1935
* ''
Clypeaster oliveirai''
Krau, 1952
* ''
Clypeaster pallidus''
H.L. Clark, 1914
* ''
Clypeaster pateriformis''
Mortensen, 1948
* ''
Clypeaster prostratus''
(Ravenel, 1845)
* ''
Clypeaster rangianus''
Desmoulins, 1835
* ''
Clypeaster rarispinus''
de Meijere, 1903
* ''
Clypeaster ravenelii''
(A. Agassiz, 1869)
* ''
Clypeaster reticulatus
''Clypeaster reticulatus'', the reticulated sea biscuit, is a species of sea urchin in the Family Clypeasteridae. This species was first scientifically described in 1758 by Carl Linnaeus. It lives on the sandy seabed of shallow seas, semi-immers ...
''
(Linnaeus, 1758)
* ''
Clypeaster rosaceus
''Clypeaster rosaceus'', the fat sea biscuit, is a species of sea urchin in the family Clypeasteridae. It occurs in shallow water in the western Atlantic Ocean and was first scientifically described in 1758 by Carl Linnaeus.
Description
This is ...
''
(Linnaeus, 1758)
* ''
Clypeaster rotundus''
(A. Agassiz, 1863)
* ''
Clypeaster speciosus''
Verrill, 1870
* ''
Clypeaster subdepressus''
(Gray, 1825)
* ''
Clypeaster telurus''
H.L. Clark, 1914
* ''
Clypeaster tumidus''
(Tension-Woods, 1878)
* ''
Clypeaster virescens''
Döderlein, 1885
Gallery
File:Clypeaster reticulatus both sides.jpg, ''Clypeaster reticulatus''
File:Clypeasterbowersi.jpg, Fossil of ''Clypeaster bowersi'' the San Diego Natural History Museum, California
File:Clypeasterinsignis.jpg, Fossil of ''Clypeaster insignis'' at the San Diego County Fair, California
File:Clypeaster portentosus.jpg, Fossil of ''Clypeaster portentosus'' at the Museo Arqueológico Municipal de Cartagena
Image :Clypeaster rosaceus (Linnaeus, 1758) derivate 2013.jpg, ''Clypeaster rosaceus
''Clypeaster rosaceus'', the fat sea biscuit, is a species of sea urchin in the family Clypeasteridae. It occurs in shallow water in the western Atlantic Ocean and was first scientifically described in 1758 by Carl Linnaeus.
Description
This is ...
'' (aboral and internal views), by Ernst Haeckel
Ernst Heinrich Philipp August Haeckel (; 16 February 1834 – 9 August 1919) was a German zoologist, naturalist, eugenicist, philosopher, physician, professor, marine biologist and artist. He discovered, described and named thousands of new sp ...
in ''Kunstformen der Natur
(known in English as ''Art Forms in Nature'') is a book of lithographic and halftone prints by German biologist Ernst Haeckel.
...
'' (1904).
Image:Clypeaster japonicus - Osaka Museum of Natural History - DSC07832.JPG, '' Clypeaster japonicus''.
References
''Clypeaster'' Lamarck, 1801National History Museum*Sepkoski, Jac
Sepkoski's Online Genus DatabasePaleobiology Database
Clypeasteridae
Echinoidea genera
Extant Eocene first appearances
Taxa named by Jean-Baptiste Lamarck
{{Echinoidea-stub