''Calliotectum tibiaeforme'' is a

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

of sea snail, a marine gastropod

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is es ...

in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Volutidae ''Volutidae'', common name volutes, are a taxonomic family of predatory sea snails that range in size from 9 mm to over 500 mm. They are marine gastropod mollusks. Most of the species have no operculum. Distribution This family of sea snai ...

, the volutes. ;Subspecies: * ''Calliotectum tibiaeforme barneli'' Bail, 2006 * ''Calliotectum tibiaeforme johnsoni'' (Bartsch, 1942) * ''Calliotectum tibiaeforme williamsorum'' (Rehder, 1972)

Description

Distribution

This marine species occurs off the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

References

* Kuroda, T. 1931. Two new species of Volutacea. Venus 3: 45–49 page(s): 45, figs 2,3 etails * Bail, P., 2006. A new subspecies of Calliotectum tibiaeforme Kuroda, 1931 (Gastropoda: Volutidae Rafinesque, 1815) from the eastern Celebes Sea. Visaya 1(6): 114–122 Volutidae Gastropods described in 1931 {{Volutidae-stub