''Calthalotia strigata'' 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 Trochidae, the top snails.
[MolluscaBase eds. (2022). MolluscaBase. Calthalotia strigata (A. Adams, 1853). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=719243 on 2022-02-13]
Description
The size of the adult shell varies between 10 mm and 23 mm. The subperforate shell has an elevated-conical shape. It is painted with longitudinal stripes of white and red or green or with longitudinal purplish flammules. The plane
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 are concave in the middle. They show at the
sutures a prominent rounded ridge, transversely lirate. The lirae are equal and subgranulose. The base of the shell is concentrically lirate, with radiating striae in the interstices. The
aperture is subquadrate. The
lip is arcuate, ending anteriorly in an obtuse tooth. The lip is obsoletely sulcate within.
Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
(described as ''Cantharidus mundula'')
Distribution
This marine species is endemic to Australia and occurs off Western Australia.
References
* Adams, A. & Angas, G.F. 1864. ''Descriptions of new species of shells, chiefly from Australia in the collection of Mr Angas.'' Proceedings of the Zoological Society of London 1864: 35–40
* Hedley, C. 1908. ''Studies on Australian Mollusca. Part 10.'' Proceedings of the Linnean Society of New South Wales 33: 456–489
* Hickman, C.S. & McLean, J.H. 1990. ''Systematic revision and suprageneric classification of trochacean gastropods''. Natural History Museum of Los Angeles County. Science Series 35: i–vi, 1–169
* Wilson B. (1993) ''Australian marine shells. Prosobranch gastropods. Vol. 1.'' Odyssey Publishing, Kallaroo, Western Australia, 408 pp
External links
Adams, A. 1853. ''Contributions towards a monograph of the Trochidae, a family of gastropodous Mollusca''. Proceedings of the Zoological Society of London 1851(19): 150–192
*
{{DEFAULTSORT:Calthalotia Strigata
strigata
Gastropods of Australia
Gastropods described in 1853