Wikipedia

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
Shell of Partula taeniata
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

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The species is listed as Critically Endangered in the 2022 and 2024 IUCN Red List of Threatened Species.[1]

Previously it was incorrectly listed as extinct on the IUCN Red List of Threatened Species from 1988 to 1994[1] and as Extinct in the wild in the 1996 IUCN Red List, before being corrected to Critically Endangered in 2009,[3] although two subspecies survive in captivity and one still exists in the wild.[4] 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.[5]

Subspecies

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

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Partula taeniata elongata

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  •  
    Maatea Valley population
  •  
    Haumi Valley population (possibly extinct[10])

Partula taeniata nucleola

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  •  
    Captive population
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    Moruu Valley population

Partula taeniata simulans

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Partula taeniata (unidentified subspecies)

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  •  
    Captive population
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    Opunohu Bay population
  •  
    Morioahu Valley population

References

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  1. ^ a b c d e Coote, T.; Gerlach, J. (2022). "Partula taeniata". IUCN Red List of Threatened Species. 2022: e.T16282A119135729. doi:10.2305/IUCN.UK.2022-2.RLTS.T16282A119135729.en.
  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. 9 (1): 204. Bibcode:2009BMCEE...9..204L. doi:10.1186/1471-2148-9-204. PMC 3087522. PMID 19686604.
  3. ^ 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 25 July 2024.
  4. ^ 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.
  5. ^ Kuta, Sarah (2 May 2023). "Scientists Reintroduce 5,000 Snails to French Polynesian Islands". Smithsonian Magazine. Retrieved 2023-05-27.
  6. ^ 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.
  7. ^ 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.
  8. ^ 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.
  9. ^ 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.
  10. ^ "Tentacle 29" (PDF). University of Hawaii.
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