Stenomelania denisoniensis

Stenomelania denisoniensis is a very variable species of freshwater snail, an aquatic gastropod mollusk in the family Thiaridae.[2] Stenomelania denisoniensis has a long, slender shell and small aperture. This species has a characteristic angled shoulder just below the suture. This shoulder may be strong in some individuals and weak in others even if they are part of the same population.[3]

Stenomelania denisoniensis
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Sorbeoconcha
Superfamily:
Cerithioidea
Family:
Thiaridae
Genus:
Stenomelania
Species:
S. denisoniensis
Binomial name
Stenomelania denisoniensis
(Brot, 1877)
Synonyms[1]
  • Melania denisoniensis Brot, 1877
  • Melanoides (Stenomelania) denisoniensis (Brot, 1877)
  • Melanoides (Stenomelania) tacita (Iredale, 1943)
  • Melanoides (Stenomelania) ultra (Iredale, 1943)
  • Stenomelania denisoniensis tacita (Iredale, 1943
  • Stenomelania denisoniensis ultra (Iredale, 1943)
Stenomelania denisoniensis from the Ross River, Townsville, Queensland, Australia

Biology and ecology

"On and in sediment, rocks and on water weeds in freshwater rivers, streams, lakes and dams. A detritus and algal feeder. Stenomelania denisoniensis broods larvae in a brood pouch in the head which may contain a dozen shelled juveniles and many unshelled juveniles in different embryonic stages."[3]

Distribution

Distribution of Stenomelania denisoniensis is endemic to Australia and includes New South Wales and Queensland, the Northern Territory and Western Australia[1] Is found most commonly found in tropical and subtropical Australia (the northern half of the continent).

References
  1. Clark S. (2011). "Stenomelania denisoniensis". The IUCN Red List of Threatened Species 2011: e.T188945A8665967. Downloaded on 11 January 2016.
  2. Australian Faunal Directory: Stenomelania denisoniensis
  3. "Stenomelania denisoniensis - fact sheet". keys.lucidcentral.org. Retrieved 2018-06-15.
  • Brot, A. 1877. Die Melaniaceen (Melanidae). pp. 193–352 in Küster, H.C., Martini, F.W. & Chemnitz, J.H. (eds). Systematisches Conchylien-Cabinet. Nürnberg : Bauer & Raspe Bd 9 Tl 3.
  • Iredale, T. 1943. A basic list of the freshwater Mollusca of Australia. The Australian Zoologist 10(2): 188-230
  • Smith, B.J. 1992. Non-Marine Mollusca. In, Houston, W.W.K. (ed.). Zoological Catalogue of Australia. Non-marine Mollusca. Canberra : Australian Government Publishing Service Vol. 8 xii 408 pp.
  • Glaubrecht, M., Brinkmann, N. & Pöppe, J. 2009. Diversity and disparity ‘down under’: Systematics, biogeography and reproductive modes of the ‘marsupial’ freshwater Thiaridae (Caenogastropoda, Cerithioidea) in Australia. Zoosystematics and Evolution 85(2): 199-275


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