''Terrazoanthus sinnigeri'' is a species of uncertain validity (

taxon inquirendum In biological classification, a ''species inquirenda'' is a species of doubtful identity requiring further investigation. The use of the term in English-language biological literature dates back to at least the early nineteenth century. The term t ...

) of macrocnemic zoanthid first found in the Galapagos. It is potentially a junior synonym of ''

Terrazoanthus patagonichus ''Terrazoanthus'' is a genus of corals belonging to the family Hydrozoanthidae. The species of this genus are found in the coasts of America, Africa and Japan. Species: *''Terrazoanthus californicus'' *''Terrazoanthus minutus'' *''Terrazoanth ...

''. It can be distinguished by commonly occurring on rubble and rocks on sandy bottoms, having about 30–36

tentacle In zoology, a tentacle is a flexible, mobile, and elongated organ present in some species of animals, most of them invertebrates. In animal anatomy, tentacles usually occur in one or more pairs. Anatomically, the tentacles of animals work main ...

s, and numerous

nematocyst A cnidocyte (also known as a cnidoblast or nematocyte) is an explosive cell containing one large secretory organelle called a cnidocyst (also known as a cnida () or nematocyst) that can deliver a sting to other organisms. The presence of this ce ...

s in its

pharynx The pharynx (plural: pharynges) is the part of the throat behind the mouth and nasal cavity, and above the oesophagus and trachea (the tubes going down to the stomach and the lungs). It is found in vertebrates and invertebrates, though its struc ...

References

Further reading