''Lyria planicostata'' is a

species In biology, a species is the basic unit of 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 the appropriate s ...

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

, a marine

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

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 e ...

in the

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

Volutidae, the volutes. ;Subspecies: * ''Lyria planicostata fijiensis'' Bail & Poppe, 2004 (length: 51.5 mm; occurs off the

Fiji Islands Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists ...

) * ''Lyria planicostata grohi'' Bail & Poppe, 2004 (occurs off

Tonga Tonga (, ; ), officially the Kingdom of Tonga ( to, Puleʻanga Fakatuʻi ʻo Tonga), is a Polynesian country and archipelago. The country has 171 islands – of which 45 are inhabited. Its total surface area is about , scattered over in ...

)

Description

Adult shells attain a size of 75-90 mm.

Distribution

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

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 ...

area.

References

* Kosuge S. (1980) Studies on the collection of Mr. Victor Dan (3) Note on the local variations of Lyria taiwanica Lan, 1975 (Gastropoda Volutacea). Bulletin of the Institute of Malacology, Tokyo 1(4): 65-66, pl. 17. * Bail, P. & Poppe, G., 2004 The Tribe Lyriini. A revision of the Recent species of the genera Lyria, Callipara, Harpulina, Enaeta, and Leptoscapha, p. 93 pp, 68 pls Volutidae Gastropods described in 1903 {{Volutidae-stub