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Kilburnia scholvieni
From Wikipedia - Reading time: 5 min
| Kilburnia scholvieni | |
|---|---|
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| Shell of Kilburnia scholvieni | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Family: | Fasciolariidae |
| Genus: | Kilburnia |
| Species: | K. scholvieni
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| Binomial name | |
| Kilburnia scholvieni (Strebel, 1912)
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| Synonyms[1] | |
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Kilburnia scholvieni, common name the Cape horse conch, is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip (snails and their allies.[1]
Description
[edit]The length of the shell attains 220 mm and perhaps more. [2]
The shell is large and spindle-shaped, with a high spire comprising approximately three-quarters of the total aperture length. The whorls are rounded but may feature a subtle shoulder adorned with low nodules. Its surface displays fine spiral threads, with some specimens exhibiting occasional stronger cords. The outer lip tapers sharply at the base, forming a relatively slender siphonal canal. The inner lip has a strong fold at the base of the siphonal canal, with one or two faint columellar pleats above. The parietal region is marked by a rounded, in-running ridge just below the outer lip's insertion. The interior of the outer lip is mostly smooth, though mature specimens often have a subterminal row of denticles behind a slightly flaring outer lip. [2]
The shell ranges in color from whitish to pale buff or orange-brown, with darker brown nodules. The periostracum varies from olive-brown to dark brown. The animal itself is orange-red. [2]
Distribution
[edit]This marine species is endemic to South Africa and occurs off the Agulhas Bank (Cape Agulhas to Port Grosvenor) at depths between 30 m and 250 m. [2]
References
[edit]- ^ a b Kilburnia scholvieni (Strebel, 1912). Retrieved through: World Register of Marine Species.
- ^ a b c d Herbert, D.G., Jones, G.J. & Atkinson, L.J. (2018). Phylum Mollusca. In: Atkinson, L.J. and Sink, K.J. (eds) Field Guide to the Offshore Marine Invertebrates of South Africa. Pretoria: Malachite Marketing and Media. p. 289. doi:10.15493/SAEON.PUB.10000001. ISBN 978-1-86868-098-6. Retrieved 17 October 2024.
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This article incorporates text from this source, which is available under the CC BY-SA 4.0 license.
- Kilburn, R.N. (1974) Taxonomic notes on South African marine Mollusca (3): Gastropoda: Prosobranchia, with descriptions of new taxa of Naticidae, Fasciolariidae, Magilidae, Volutomitridae and Turridae. Annals of the Natal Museum, 22, 187–220.
- Marais J.P. & R.N. Kilburn (2010) Fasciolariidae. pp. 106–137, in: Marais A.P. & Seccombe A.D. (eds), Identification guide to the seashells of South Africa. Volume 1. Groenkloof: Centre for Molluscan Studies. 376 pp.
- Aiken, R. & Seccombe, A. (2019). "Five new Gastropoda (Casmaria, Sassia, Kilburnia, Quasimitra and Calliostoma) from the eastern seaboard of southern Africa and a revision of Mitra boswellae". The Festivus. 51 (3): 198–217. doi:10.54173/F513198.
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External links
[edit]- Tomlin, J.R. le B. (1932). "Reports on the marine Mollusca in the collection of the South African Museum. 6-8. Families Fasciolariidae, Fissurellidae, Buccinidae". Annals of the South African Museum. 30: 157–169.
- Bartsch, P. (1915). "Report on the Turton Collection of South African marine mollusks, with additional notes on other South African shells contained in the United States National Museum". Bulletin. United States National Museum. 91 (12): 46.
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