Biology:Lanistes
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Short description: Genus of gastropods
| Lanistes | |
|---|---|
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| Lanistes bernardianus (Morelet, 1860) | |
| Scientific classification | |
| Kingdom: | Animalia
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| Phylum: | |
| Class: | |
| (unranked): | |
| Superfamily: | |
| Family: | |
| Subfamily: | Ampullariinae
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| Tribe: | Ampullariini
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| Genus: | Lanistes Montfort, 1810[1]
|
| Type species | |
| Lanistes carinatus (Olivier, 1804). | |
| Diversity[2][3][4] | |
| 21 extant species | |
| Synonyms | |
| |
Lanistes is a genus of freshwater snails which have a gill and an operculum, aquatic gastropod mollusks in the family Ampullariidae, the apple snails.[7]
Distribution
The distribution of the genus Lanistes includes Africa and Madagascar.[3]
Description
Lanistes has a unique anatomy among the Ampullariidae: it has a "hyperstrophic" sinistral shell.[8] This means that the body of the snail is dextral (as in all other ampullariids), but the shell appears to be sinistral.[8] However the sinistral appearance stems from the fact that the rotation of the shell as it grows is in an upward direction rather than the usual downward direction.[8]
Species
Three[3] subgenera have been recognized, based on shell differences: Lanistes sensu stricto, Meladomus and Leroya. These subgenera are not used in recent works.[3]
Extant species within the genus Lanistes include:
- Lanistes alexandri (Bourguignat, 1889)[3]
- Lanistes ambiguus Martens, 1866
- Lanistes bernardianus (Morelet, 1860)
- Lanistes beseneckeri Schütt in Schütt & Besenecker, 1973 †
- Lanistes bicarinatus Germain, 1907[3]
- Lanistes bloyeti (Bourguignat, 1889)
- Lanistes boltenianus (Röding, 1798) - synonym: Lanistes carinatus (Olivier, 1804)[9]
- Lanistes chaperi (Kobelt, 1912)
- Lanistes ciliatus Martens, 1878[2][3]
- Lanistes congicus O. Boettger, 1891[2][3]
- Lanistes deguerryanus (Bourguignat, 1889)
- Lanistes ellipticus Martens, 1866[2][3]
- Lanistes farleri Craven, 1880[2][3]
- Lanistes fultoni (Kobelt, 1912)
- Lanistes grasseti (Morelet, 1863)[3]
- Lanistes graueri Thiele, 1911[2][3]
- Lanistes intortus Martens, 1877[2][3]
- Lanistes jouberti (Bourguignat, 1888)
- Lanistes letourneuxi (Bourguignat, 1879)
- Lanistes libycus (Morelet, 1848)[2][3]
- Lanistes magnus Furtado, 1886
- Lanistes nasutus Mandahl-Barth, 1972[2][3]
- Lanistes neavei Melvill & Standen, 1907[2][3]
- Lanistes neritoides Brown & Berthold, 1990[2][3]
- Lanistes nitidissimus (Bourguignat, 1889)
- Lanistes nsendweensis (Dupuis & Putzeys, 1901)[3]
- Lanistes nyassanus Dohrn, 1865[3]
- Lanistes ovatus (Olivier, 1804)
- Lanistes ovum Peters in Troschel, 1845[3] - synonyms: Lanistes magnus Furtado; Lanistes olivaceus (Sowerby); Lanistes procerus; Lanistes elatior Martens, 1866; Lanistes ovum bangweolicus Haas, 1936; Lanistes connollyi Pain, 1954[3] Lanistes ovum adansoni;[citation needed] Lanistes olivaceus var. ambiguus[citation needed]
- Lanistes palustris (Morelet, 1864)
- Lanistes pfeifferi (Bourguignat, 1879)
- Lanistes pilsbryi Walker, 1925
- Lanistes pseudoceratodes (Wenz, 1928)[2]
- Lanistes purpureus (Jonas, 1839)[2][3]
- Lanistes solidus Smith, 1877[2][3]
- Lanistes stuhlmanni Martens, 1897[2][3]
- Lanistes varicus (Müller, 1774) - synonyms: Lanistes adansoni Kobelt, 1911; Lanistes millestriatus Pilsbry & Bequaert, 1927[3]
Fossil species within the genus Lanistes include:
- † Lanistes asellus van Damme & Pickford, 1995[4]
- † Lanistes bishopi Gautier[4]
- † Lanistes gautieri van Damme & Pickford, 1995[4]
- † Lanistes gigas van Damme & Pickford, 1995[4]
- † Lanistes hadotoi van Damme & Pickford, 1995[4]
- † Lanistes heynderycxi van Damme & Pickford, 1995[4]
- † Lanistes nkondoensis van Damme & Pickford, 1995[4]
- † Lanistes olukaensis[4]
- † Lanistes senuti van Damme & Pickford, 1995[4]
- † Lanistes trochiformis van Damme & Pickford, 1995[4]
References
- ↑ Montfort P. D. de (1810). Conch. Syst. 2: 122.
- ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 "Lanistes". The apple snail website, accessed 16 May 2011.
- ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 3.20 3.21 3.22 3.23 3.24 3.25 Brown D. S. (1994). Freshwater Snails of Africa and their Medical Importance. Taylor & Francis. ISBN:0-7484-0026-5.
- ↑ 4.00 4.01 4.02 4.03 4.04 4.05 4.06 4.07 4.08 4.09 4.10 van Damme D. & Pickford M. (1995). "The late Cenozoic ampullariidae (mollusca, gastropoda) of the Albertine Rift Valley (Uganda-Zaire)". Hydrobiologia 316(1): 1-32. doi:10.1007/BF00019372.
- ↑ Grandidier (1887). Bull. Soc. malac. France 4: 191.
- ↑ Swainson (1840). Treat. Malacol., page 340.
- ↑ Bouchet, P.; Neubauer, Thomas A. (2015). Lanistes Montfort, 1810. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=820447 on 2015-11-11
- ↑ 8.0 8.1 8.2 "Shell". The apple snail website, accessed 16 May 2011.
- ↑ Bouchet, P. (2016). Lanistes boltenianus (Röding, 1798). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=843296 on 2017-06-06
External links
- Animation showing how the "hyperstrophic" sinistral shell evolved from a shell with normal orientation
- Schultheiß R., Van Bocxlaer B., Wilke T. & Albrecht C. (2009). "Old fossils–young species: evolutionary history of an endemic gastropod assemblage in Lake Malawi". Proceedings of the Royal Society B 276(1668): 2837-2846. doi:10.1098/rspb.2009.0467.
Wikidata ☰ Q5220039 entry
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