''Ancorina'' 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 ...

sea sponges Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through ...

belonging to the family

Ancorinidae Ancorinidae is a family of marine sponges belonging to the order of Tetractinellida. Genera *''Ancorina'' Schmidt, 1862 *'' Asteropus'' Sollas Sollas ( gd, Solas) is a small crofting township on the northern coast of the island of Nort ...

. It is the

type genus In biological taxonomy, the type genus is the genus which defines a biological family and the root of the family name. Zoological nomenclature According to the International Code of Zoological Nomenclature, "The name-bearing type of a nominal f ...

of its family. This genus is characterized by a high density of

siliceous Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula , most commonly found in nature as quartz and in various living organisms. In many parts of the world, silica is the major constituent of sand. Silica is one ...

spicule Spicules are any of various small needle-like anatomical structures occurring in organisms Spicule may also refer to: *Spicule (sponge), small skeletal elements of sea sponges *Spicule (nematode), reproductive structures found in male nematodes ( ...

s. Members of this genus are known to be eaten by

hawksbill turtle The hawksbill sea turtle (''Eretmochelys imbricata'') is a critically endangered sea turtle belonging to the family Cheloniidae. It is the only extant species in the genus ''Eretmochelys''. The species has a global distribution, that is large ...

Species

The following species are recognised in the genus ''Ancorina'': *''

Ancorina bellae ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' Kelly & Sim-Smith, 2012 *''

Ancorina brevidens ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' Dendy & Frederick, 1924 *''

Ancorina buldira ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' Lehnert & Stone, 2014 *''

Ancorina cerebrum ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' Schmidt, 1862 *''

Ancorina corticata ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' Lévi, 1964 *''

Ancorina diplococcus ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' Dendy, 1924 *''

Ancorina geodides ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' (Carter, 1886) *''

Ancorina globosa ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' Kelly & Sim-Smith, 2012 *''

Ancorina multistella ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' (Lendenfeld, 1907) *''

Ancorina nanosclera ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' Lévi, 1967 *''

Ancorina radix ''Ancorina'' 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 bel ...

'' Marenzeller, 1889 *''

Ancorina repens ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' Wiedenmayer, 1989 *''

Ancorina robusta ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' (Carter, 1883) *''

Ancorina stalagmoides ''Ancorina'' is a genus of sea sponges belonging to the family Ancorinidae. It is the type genus of its family. This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles ...

'' Dendy, 1924

References

Tetractinellida Taxa named by Eduard Oscar Schmidt {{demosponge-stub