''Pyrgocythara astricta'', common name the tied mangelia, is a species of
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 in the
family Mangeliidae.
This species is a
nomen dubium
In binomial nomenclature, a ''nomen dubium'' (Latin for "doubtful name", plural ''nomina dubia'') is a scientific name that is of unknown or doubtful application.
Zoology
In case of a ''nomen dubium'' it may be impossible to determine whether a s ...
.
Description
The length of the shell attains 20 mm.
(Original description) The shell is somewhat fusiformly ovate. The
spire is rather short, the sutures deep. The shell is longitudinally ribbed, with numerous ribs rather close-set. The color of the shell is whitish, encircled with a narrow brown zone.
Reeve L.A. (1846). Monograph of the genus Mangelia. In: Conchologia Iconica, vol. 3, pl. 1–8 and unpaginated text. L. Reeve & Co., London
Distribution
This species occurs off Florida, USA
References
External links
*
Reeve, L. A. (1846). Monograph of the genus Mangelia. In: Conchologia Iconica, or, illustrations of the shells of molluscous animals, vol. 3, pl. 1-8 and unpaginated text. L. Reeve & Co., London
*
{{DEFAULTSORT:Pyrgocythara Astricta
astricta
Gastropods described in 1846