''Daphnella lymneiformis'', common name the volute turret, is a
species of very small
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 Raphitomidae
Raphitomidae is a family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.Bouchet P. & Rocroi J.-P. (Ed.) (2005). "Classification and nomenclator of gastropod families". ''Malacologia'' 47(1-2). . 39 ...
.
Description
The length of the shell varies between 8 mm and 20 mm.
The
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).
Whorls in nature
File:Photograph and axial plane floral ...
s show narrow, close, revolving ridges, the earlier ones with longitudinal ribs. The color of the shell is white, irregularly maculated with chestnut, often forming longitudinal zigzag markings.
Distribution
''D. lymneiformis'' can be found in Atlantic and Caribbean waters, ranging from the eastern coast of
Florida to
Brazil.
[Tunnell, John W., Jr., Felder, Darryl L., & Earle, Sylvia A., eds. ''Gulf of Mexico Origin, Waters, and Biota, Volume 1: Biodiversity.'' Texas A&M University Press, 2009. 667.] Fossils have been found in
Quaternary
The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million years ...
strata at
Kikai Island, Japan; age range: 0.126 to 0.012 Ma
References
* W. P. Woodring. 1928. ''Miocene Molluscs from Bowden, Jamaica. Part 2: Gastropods and discussion of results.'' Contributions to the Geology and Palaeontology of the West Indies
* Kilburn, R.N. (1977) ''Taxonomic studies on the marine Mollusca of southern Africa and Mozambique. Part 1.'' Annals of the Natal Museum, 23, 173–214
External links
Adams, C. B. 1850. D''escription of supposed new species of marine shells which inhabit Jamaica.'' Contributions to Conchology, 4: 56-68, 109-123Rosenberg, G.; Moretzsohn, F.; García, E. F. (2009). Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in: Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Texas A&M Press, College Station, Texas.*
Gastropods.com: ''Daphnella lymneiformis''
lymneiformis
Gastropods described in 1840
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