Echinasteridae
Encyclopedia
Echinasteridae is a family
of sea star
s in the order
Spinulosida
.
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
of sea star
Sea star
Starfish or sea stars are echinoderms belonging to the class Asteroidea. The names "starfish" and "sea star" essentially refer to members of the class Asteroidea...
s in the order
Order (biology)
In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...
Spinulosida
Spinulosida
Spinulosida are an order of sea stars containing at least 120 species.Spinulosids completely lack pedicellariae and have a delicate skeletal arrangement. Their name comes from the presence of numerous low spines on the aboral surface...
.
Genera
- Echinaster Müller and Troschel, 1840
- HenriciaHenriciaHenricia is a genus of slender-armed sea stars belonging to the family Echinasteridae.The sea stars from this genus are ciliary suspension-feeders, filtering phytoplankton.- Species :...
Gray, 1840 - Odontohenricia Rowe and Albertson, 1988
- Poraniopsis Perrier, 1891
- StegnasterStegnasterStegnaster is a genus of sea stars of the family Echinasteridae, endemic to New Zealand.-Species:* Stegnaster inflatus * Stegnaster wesseli Perrier, 1876...
Sladen, 1889