''Planaxis savignyi'' is a
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of
sea snail
Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...
, a marine
gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusc
Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...
in the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Planaxidae
Planaxidae, commonly called planaxids or clusterwinks, are a Taxonomy (biology), taxonomic family (biology), family of small and minute sea snails, pantropical marine (ocean), marine gastropod molluscs in the superfamily Cerithioidea. They live o ...
.
Description
The length of the shell attains 17 mm.
Distribution
It is found in the
Red Sea
The Red Sea is a sea inlet of the Indian Ocean, lying between Africa and Asia. Its connection to the ocean is in the south, through the Bab-el-Mandeb Strait and the Gulf of Aden. To its north lie the Sinai Peninsula, the Gulf of Aqaba, and th ...
.
References
* Brocchi, G. B. (1821). Catalogo di una serie di conchiglie raccolte presso la costa africana del golfo Arabico dal sig. G. Forni. Biblioteca Italiana, ossia Giornale di letteratura scienze ed arti. 24: 73-86, 209-226.
* Dautzenberg, Ph. (1923). Liste préliminaire des mollusques marins de Madagascar et description de deux espèces nouvelles. J. conchyliol. 68: 21-74
External links
Deshayes, G. P. (1844). G. Planaxis. Lamarck. P. savignyi. Deshayes. Magasin de Zoologie. ser. 2, 6: pl. 109.Katsanevakis, S.; Bogucarskis, K.; Gatto, F.; Vandekerkhove, J.; Deriu, I.; Cardoso A.S. (2012). Building the European Alien Species Information Network (EASIN): a novel approach for the exploration of distributed alien species data. BioInvasions Records. 1: 235-245Janssen, R.; Zuschin, M. & Baal, C. (2011). Gastropods and their habitats from the northern Red Sea (Egypt: Safaga). Part 2: Caenogastropoda: Sorbeoconcha and Littorinimorpha. Annalen des Naturhistorischen Museum Wien, ser. A. 113: 373-509.
Planaxidae
Gastropods described in 1844
{{Planaxidae-stub