Biology:Roseaplagis caelatus
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Short description: Species of gastropod
| Roseaplagis caelatus | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Trochidae |
| Subfamily: | Cantharidinae |
| Genus: | Roseaplagis |
| Species: | R. caelatus
|
| Binomial name | |
| Roseaplagis caelatus (Hutton, 1884)
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| Synonyms[1] | |
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Roseaplagis caelatus is a species of small sea snail in the family Trochidae, the top shells.[1]
Description
It is smaller than Cantharidus sanguineus (height: 5.5 mm, diameter 4.5 mm) but it is more deeply ribbed and its grooves are wider.[2] The imperforate shell is more deeply ribbed, and the ribs narrower. They number 5 to 7 on the penultimate whorl, 15 to 16 on the body whorl. Sometimes they are obsoletely granose through being crossed by growth lines. The columella shows a slight swelling in the middle.[3]
Distribution
This marine species is endemic to New Zealand and occurs off the Foveaux Straits; Port Pegasus, Stewart Island; Snares and Bounty Islands
Subspecies
The former subspecies have been named:
- Micrelenchus caelatus archibenthicola Dell, 1956: synonym of Cantharidus caelatus mortenseni Powell, 1933; synonym of Roseaplagis mortenseni (Odhner, 1924)
- Micrelenchus caelatus bakeri Fleming, 1948: synonym of Roseaplagis artizona A. Adams, 1853 (Odhner, N.H.J., 1924)
- Micrelenchus caelatus elongatus (Suter, 1897): synonym of Cantharidus caelatus elongatus (Suter, 1897); synonym of Roseaplagis artizona A. Adams, 1853
- Micrelenchus caelatus morioria Powell, 1933: synonym of Cantharidus caelatus mortenseni Powell, 1933; synonym of Roseaplagis mortenseni (Odhner, 1924)
- Micrelenchus caelatus mortenseni (Odhner, 1924): synonym of Roseaplagis mortenseni (Odhner, 1924)
References
- ↑ 1.0 1.1 MolluscaBase eds. (2020). MolluscaBase. Roseaplagis caelatus (Hutton, 1884). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=876698 on 2020-07-25
- ↑ Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
- ↑ Suter H. (1913-1915), Manual of New Zealand Mollusca; Wellington, N. Z. :J. Mackay, govt. printer,1913-1915
- F.W. Hutton, Revision of the recent rhipidoglossate and docoglossate Mollusca of New Zealand; Proceedings of the Linnean Society of New South Wales, ser. 1 v. 9 (1884)
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN:0-00-216906-1
- Marshall B.A. 1998. The New Zealand Recent species of Cantharidus Montfort, 1810 and Micrelenchus Finlay, 1926 (Mollusca: Gastropoda: Trochidae). Molluscan Research 19(1): 107-156
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