French
DeutschVasum cassiforme
| Vasum cassiforme | |
|---|---|
 | |
| Two views of a shell of the helmet vase, Vasum cassiforme. | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Family: | Turbinellidae |
| Subfamily: | Vasinae |
| Genus: | Vasum |
| Species: | V. cassiforme |
| Binomial name | |
| Vasum cassiforme (Kiener, 1840) | |
| Synonyms[2] | |
Vasum cassiforme, common name the helmet vase, is a species of medium to large sea snail, a marine gastropod mollusk in the family Turbinellidae. [2]
Distribution
[edit]Vasum cassiforme lives in the southeastern and northeastern littoral of Brazil,[3] including Abrolhos and the Brazilian states of Rio Grande do Norte, Paraíba, Pernambuco, Alagoas, Sergipe, Bahia and Espírito Santo.[1]
Shell description
[edit]The maximum reported size of this species shell is 114.9 mm.[4]
Vasum cassiforme has a large, thick and heavy shell, presenting 8 whorls.[1] One of its most striking characteristics is its rich ornamentation, with foliated cords and spines over the body whorl and shoulder, respectively. It is colored cream[1] or light brown externally, while the aperture may be colored purplish-brown.[1]
Ecology
[edit]Habitat
[edit]This sea snail lives on sand and muddy bottoms, to a depth of 70 m.[3]
References
[edit]- ^ a b c d e Rios, E. C. (1994). Seashells of Brazil (2nd ed.). Rio Grande: FURG. ISBN 85-85042-36-2.
- ^ a b MolluscaBase eds. (2023). MolluscaBase. Vasum cassiforme (Kiener, 1840). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=533594 on 2023-01-28
- ^ a b Conquiliologistas do Brasil website. URL: http://www.conchasbrasil.org.br/english/conchology/descricao.asp?id=270. Accessed 29 June 2009.
- ^ "Record size for brazilian shells". Conquiliologistas do Brasil. Retrieved 30 September 2009.