Aphaostracon

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Aphaostracon
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Cochliopidae
Genus: Aphaostracon
F. G. Thompson, 1968
Type species
*Aphaostracon rhadinusF. G. Thompson, 1968

Aphaostracon is a genus of very small or minute freshwater snails in the family Cochliopidae that have an operculum. [1]

Contents

Aphaostracon species are endemic to restricted areas in Florida, often to a single spring or spring run. [2]

Species

This genus includes the following species: [3] [4] }

Species
SpeciesCommon NameRange
Aphaostracon asthenes
(F. G. Thompson, 1968)		Blue Spring hydrobe Blue Spring [2]
Aphaostracon chalarogyrum
(F. G. Thompson, 1968)		freemouth hydrobeMagnesia Springs
in (Alachua County) [2]
Aphaostracon hypohyalinum
(F. G. Thompson, 1968)
(Syn: A. hypohyalina)		Suwannee hydrobe Suwannee, Santa Fe, and
Waccasassa rivers [2]
Aphaostracon monas
(Pilsbry, 1899)		Wekiwa hydrobe Wekiwa Springs
Aphaostracon pachynotum
(F. G. Thompson, 1968)
(Syn: A. pachynotum)		thick-shelled hydrobeupper half of St. Johns River [5]
Aphaostracon pycnum
(F. G. Thompson, 1968)
dense hydrobe Alexander Springs, [2]
Silver Glen Springs [6]
Aphaostracon rhadinum
(F. G. Thompson, 1968)		tributaries of lower
St. Johns River [2]
Aphaostracon theiocrenetum
(F. G. Thompson, 1968)
(Syn: A. theiocrenetum)		Clifton Spring hydrobe Clifton Springs [2]
Aphaostracon xynoelictum
(F. G. Thompson, 1968)		Fenney Spring hydrobeFenney Spring, in Sumter County

One or more additional Aphaostracon species have been reported from springs in Florida, including Bugg Spring, De Leon Springs, and Green Springs. The snails from the three springs have not described in an authoritative publication, and it is not known if they belong to one, two, or three species. [7]

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References

  1. ↑ Bouchet, P. (2014). Aphaostracon F. G. Thompson, 1968. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php/aphia.php?p=taxdetails&id=729790 on 2014-11-16
  2. 1 2 3 4 5 6 7 Burgess, George H.; Franz, Richard (1978). "Zoogeography of the Aquatic Fauna of the St. Johns River System with Comments on Adjacent Peninsular Faunas". The American Midland Naturalist. 100 (1): 160–170. doi:10.2307/2424786. ISSN   0003-0031. JSTOR   2424786.
  3. ↑ Group, U. S. Geological Survey Karst Interest (2001). U.S. Geological Survey Karst Interest Group Proceedings, St. Petersburg, Florida, February 13-16, 2001. U.S. Department of the Interior, U.S. Geological Survey. p. 81.
  4. ↑ "Molluscabase - Aphaostracon F. G. Thompson, 1968". molluscabase.org. Retrieved 2023-06-16.
  5. ↑ Johnson, Richard I. (June 29, 1973). "Distribution of Hydrobiidae, a Family of Fresh and Brackish Water Gastropods, in Peninsular Florida". Occasional Papers on Mollusks (Harvard University). 3 (46): 301 – via Smithsonian Institution Biodiversity Heritage Library.
  6. ↑ Mattson, Robert A. (2011). "Chapter 11. Benthic Macroinvertebrates, Appendix 11. A Description of Benthic Communities in the St Johns River Mainstream" (PDF). St Johns River Water Management District. Retrieved June 11, 2023.
  7. ↑ Shelton, Douglas N. (September 2005). The Rare and Endemic Snails of Selected Springs Within the St. Johns River Water Management District (Report). St. Johns River Water Management District. pp. 5–6.

Further reading


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