Partula taeniata

Partula taeniata, common name the Moorean viviparous tree snail, is a species of terrestrial gastropod in the Partulidae family. It is endemic to French Polynesia.[1]

Partula taeniata
Partula taeniata from Moorea
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Family: Partulidae
Genus: Partula
Species:
P. taeniata
Binomial name
Partula taeniata
Mörch, 1850

This species was considered to be extinct in the wild, but intensive field surveys have recently detected surviving wild populations.[2]

Conservation status

The species is listed as Critically Endangered in the 2013 IUCN Red List of Threatened Species.[1]

Previously it was incorrectly listed as extinct in the 2007 IUCN Red List of Threatened Species[3] and as Extinct in the wild in the 2009 IUCN Red List,[4] although two subspecies survive in captivity and one still exists in the wild.[5] This error may be the result of changing taxonomy (the subspecies were previously considered to be separate species).

In 2010, a single Partula taeniata spp. simulans was transferred to the Edinburgh Zoo; the subspecies now has several hundred individuals surviving in captivity.[6]

Partula taeniata simulans from Mount Tohivea on Moorea.

Subspecies

Listing of subspecies in the 2011 IUCN Red List of Threatened Species (not up to date):

  • Partula taeniata taeniata Mörch, 1850 - extinct[7]
  • Partula taeniata elongata Pease, 1866 - extinct in the wild[8] (rediscovered in 2003[1])
  • Partula taeniata nucleola “Pease” Schmeltz, 1874 - extinct in the wild[9]
  • Partula taeniata simulans Pease, 1866 - extinct in the wild[10]

References
  1. Coote, T. (2009). "Partula taeniata". IUCN Red List of Threatened Species. 2009: e.T16282A5596415. doi:10.2305/IUCN.UK.2009-2.RLTS.T16282A5596415.en. Retrieved 15 November 2021.
  2. Lee T., Burch J. B., Coote T., Pearce-Kelly P., Hickman C., Meyer J.-Y. & Foighil D. O. (18 August) 2009. Moorean tree snail survival revisited: a multi-island genealogical perspective. BMC Evolutionary Biology 2009, 9:204. doi:10.1186/1471-2148-9-204
  3. Mollusc Specialist Group 1996. Partula taeniata. 2007 IUCN Red List of Threatened Species. Downloaded on 30 December 2007.
  4. Mollusc Specialist Group 1996. Partula taeniata. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.1. <www.iucnredlist.org>. Downloaded on 01 September 2009.
  5. Arcara, M. "THE EFFECTS OF HABITAT FRAGMENTATION ON THE ENDANGERED LAND SNAIL PARTULA TAENIATA IN MOOREA, FRENCH POLYNESIA" (PDF). Biology and geomorphology of tropical islands. Department of Integrative Biology, University of California. Retrieved 17 December 2020.
  6. Kuta, Sarah (2 May 2023). "Scientists Reintroduce 5,000 Snails to French Polynesian Islands". Smithsonian Magazine. Retrieved 2023-05-27.
  7. Mollusc Specialist Group (1996). "Partula taeniata ssp. taeniata". IUCN Red List of Threatened Species. 1996: e.T64445A12781913. doi:10.2305/IUCN.UK.1996.RLTS.T64445A12781913.en. Retrieved 15 November 2021.
  8. Mollusc Specialist Group (1996). "Partula taeniata ssp. elongata". IUCN Red List of Threatened Species. 1996: e.T16346A5608321. doi:10.2305/IUCN.UK.1996.RLTS.T16346A5608321.en. Retrieved 15 November 2021.
  9. Mollusc Specialist Group (1996). "Partula taeniata ssp. nucleola". IUCN Red List of Threatened Species. 1996: e.T16348A5609348. doi:10.2305/IUCN.UK.1996.RLTS.T16348A5609348.en. Retrieved 15 November 2021.
  10. Mollusc Specialist Group (1996). "Partula taeniata ssp. simulans". IUCN Red List of Threatened Species. 1996: e.T16347A5609029. doi:10.2305/IUCN.UK.1996.RLTS.T16347A5609029.en. Retrieved 15 November 2021.
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