''Falsuszafrona incerta'' 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), ...

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 ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

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 ...

Columbellidae The Columbellidae, the dove snails or dove shells, are a family of small sea snails, marine gastropod mollusks in the order Neogastropoda.Bouchet, P.; Gofas, S. (2010). Columbellidae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marin ...

, the dove snails.MolluscaBase eds. (2023). MolluscaBase. Falsuszafrona incerta (Stearns, 1892). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1397836 on 2023-10-18

Description

The length of the shell attains 6 mm, its diameter 2.75 mm. (Original description) The small shell is rather solid and acutely ovate. The elevated

spire A spire is a tall, slender, pointed structure on top of a roof of a building or tower, especially at the summit of church steeples. A spire may have a square, circular, or polygonal plan, with a roughly conical or pyramidal shape. Spire ...

is pointed. The shell contains six to seven

whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). In nature File:Photograph and axial plane floral diagra ...

s, moderately convex, with inconspicuous revolving grooves. The upper whorls are delicately sculptured with close-set rounded longitudinal ribs. The

apex The apex is the highest point of something. The word may also refer to: Arts and media Fictional entities * Apex (comics) A-Bomb Abomination Absorbing Man Abraxas Abyss Abyss is the name of two characters appearing in Ameri ...

is obtuse. The

aperture In optics, the aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the system. More specifically, the entrance pupil as the front side image o ...

measures nearly half the length of the shell. The outer

lip The lips are a horizontal pair of soft appendages attached to the jaws and are the most visible part of the mouth of many animals, including humans. Mammal lips are soft, movable and serve to facilitate the ingestion of food (e.g. sucklin ...

is somewhat thickened with five to seven denticles on the inner side. The

columella Lucius Junius Moderatus Columella (, Arabic: ) was a prominent Roman writer on agriculture in the Roman Empire. His in twelve volumes has been completely preserved and forms an important source on Roman agriculture and ancient Roman cuisin ...

shows a single rather prominent plait or tubercle just below the middle. The surface is colored by five to six brownish-red bands, alternating with as many white. Stearns, R. E. C. (1892). Preliminary descriptions of new molluscan forms from west American regions, etc. The Nautilus. 6(8): 85-89
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Distribution

This marine species occurs off the Galapagos

References

* Pelorce J. (2020). Les Columbellidae collectés dans les eaux profondes autour de l'île de Guadeloupe (Antilles Françaises) pendant la campagne KARUBENTHOS 2 (2015) du Muséum National d'Histoire Naturelle. Iberus. 38(1): 55-111

External links

Biolib.cz: image
{{DEFAULTSORT:Falsuszafrona Incerta incerta Gastropods described in 1892