''Dendraster'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

sand dollar Sand dollars (also known as a sea cookie or snapper biscuit in New Zealand, or pansy shell in South Africa) are species of flat, burrowing sea urchins belonging to the order Clypeasteroida. Some species within the order, not quite as flat, are k ...

s of the family Dendrasteridae within the order

Clypeasteroida Sand dollars (also known as a sea cookie or snapper biscuit in New Zealand, or pansy shell in South Africa) are species of flat, burrowing sea urchins belonging to the order Clypeasteroida. Some species within the order, not quite as flat, are k ...

. The

extant Extant is the opposite of the word extinct. It may refer to: * Extant hereditary titles * Extant literature, surviving literature, such as ''Beowulf'', the oldest extant manuscript written in English * Extant taxon, a taxon which is not extinct, ...

species in this genus are found in the northeast Pacific Ocean from

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S ...

Baja California Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...

.Mooi, R. (1997).
Sand Dollars of the genus Dendraster (Echinoidea: Clypeasteroida): Phylogenetic systematics, heterochrony, and distribution of extant species.
' Bulletin of Marine Species 61(2): 343–375. The best-known, most common and widespread species is '' D. excentricus''.

Species

Listed alphabetically.Universal Biological Indexer
/ref> *''

Dendraster ashleyi ''Dendraster ashleyi'' is an extinct species of sand dollars of the family Dendrasteridae Dendrasteridae is a family of echinoderms belonging to the order Clypeasteroida Sand dollars (also known as a sea cookie or snapper biscuit in New Ze ...

'' (Arnold) † *''

Dendraster casseli ''Dendraster'' is a genus of sand dollars of the family Dendrasteridae within the order Clypeasteroida. The Extant taxon, extant species in this genus are found in the northeast Pacific Ocean from Alaska to Baja California peninsula, Baja Califo ...

'' Grant & Hertlein, 1938 † *''

Dendraster elsmerensis ''Dendraster'' is a genus of sand dollars of the family Dendrasteridae within the order Clypeasteroida. The extant species in this genus are found in the northeast Pacific Ocean from Alaska to Baja California.Mooi, R. (1997). Sand Dollars o ...

'' Durham, 1949 † *''

Dendraster excentricus ''Dendraster excentricus'', also known as the eccentric sand dollar, sea-cake, biscuit-urchin, western sand dollar, or Pacific sand dollar, is a species of sand dollar in the family Dendrasteridae. It is a flattened, burrowing sea urchin found in ...

'' (Eschscholtz, 1831) *''

Dendraster gibbsii ''Dendraster gibbsii'' is an extinct species of sand dollars of the family Dendrasteridae Dendrasteridae is a family of echinoderms belonging to the order Clypeasteroida Sand dollars (also known as a sea cookie or snapper biscuit in New Z ...

'' (Remond) † *''

Dendraster laevis ''Dendraster'' is a genus of sand dollars of the family Dendrasteridae within the order Clypeasteroida. The extant species in this genus are found in the northeast Pacific Ocean from Alaska to Baja California.Mooi, R. (1997). Sand Dollars o ...

'' H. L. Clark, 1948 *''

Dendraster pacificus ''Dendraster'' is a genus of sand dollars of the family Dendrasteridae within the order Clypeasteroida. The extant species in this genus are found in the northeast Pacific Ocean from Alaska to Baja California.Mooi, R. (1997). Sand Dollars o ...

'' Kew, 1920 † *''

Dendraster perrini ''Dendraster'' is a genus of sand dollars of the family Dendrasteridae within the order Clypeasteroida. The extant species in this genus are found in the northeast Pacific Ocean from Alaska to Baja California.Mooi, R. (1997). Sand Dollars o ...

'' (Weaver 1908) † *''

Dendraster rugosus ''Dendraster'' is a genus of sand dollars of the family Dendrasteridae within the order Clypeasteroida. The extant species in this genus are found in the northeast Pacific Ocean from Alaska to Baja California.Mooi, R. (1997). Sand Dollars o ...

'' H. L. Clark *''

Dendraster terminalis ''Dendraster'' is a genus of sand dollars of the family Dendrasteridae within the order Clypeasteroida. The extant species in this genus are found in the northeast Pacific Ocean from Alaska to Baja California.Mooi, R. (1997). Sand Dollars o ...

'' (Grant & Hertlein 1938) *''

Dendraster vizcainoensis ''Dendraster'' is a genus of sand dollars of the family Dendrasteridae within the order Clypeasteroida. The extant species in this genus are found in the northeast Pacific Ocean from Alaska to Baja California.Mooi, R. (1997). Sand Dollars o ...

'' Grant and Hertlein, 1938

References

Dendrasteridae Echinoidea genera {{echinoidea-stub