Achatinella caesia

[another specialist]

Achatinella caesia -- (Achatinellidae)
Achatinella caesia subsp. caesia -- (Achatinellidae)
Achatinella caesia subsp. cervina -- (Achatinellidae)
Achatinella caesia subsp. cognata -- (Achatinellidae)
Achatinella caesia subsp. concidens -- (Achatinellidae)
Achatinella caesia subsp. littoralis -- (Achatinellidae)

www.hear.org/images/organisms/hawaii/mollusks/gensp_all.htm

[another specialist]

Red List Category & Criteria EX ver 2.3 (1994)
Year Assessed 1996
Assessor/s Mollusc Specialist Group
History 1983 - Endangered (Wells et al. 1983)
1990 - Extinct (IUCN 1990)
1994 - Extinct (Groombridge 1994)

www.iucnredlist.org/search/details.php?species=173&tab=summ

[another specialist]

NatureServe Status


Global Status: GX
Global Status Last Reviewed: 23Sep2003
Global Status Last Changed: 03Oct1987
Rounded Global Status: GX - Presumed Extinct
Reasons: Extinct (Hawaii Biological Survey web site http:/hbs.bishopmuseum.org/endangered/ext-snails.html, updated 9 February 1997).

Estimated Number of Element Occurrences Comments: Was rare in 1900; last observation data unknown. Presumably became extinct not long after 1900.

Nature Serve

[Sebbe]

U.S. Fish and Wildlife Service (USFWS). 2019. 5-year review, short form summary. Achatinella genus.

Last recorded around 1990.

ecosphere-documents-production-public.s3.amazonaws.com/sams/public_docs/species_nonpublish/2882.pdf

[Sebbe]

In May 2022, USFWS initiated a 5-year status review.

www.govinfo.gov/content/pkg/FR-2022-05-10/pdf/2022-09980.pdf