Aaadonta constricta

{{Short description|Species of gastropod}}

{{Use dmy dates|date=March 2025}}

{{Speciesbox

| image = Aaadonta constricta illustration.png

| image_caption =

| status = EN

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Rundell, R.J. |date=2012 |title=Aaadonta constricta |volume=2012 |page=e.T4A3013586 |doi=10.2305/IUCN.UK.2012.RLTS.T4A3013586.en |access-date=20 November 2021}}

| genus = Aaadonta

| species = constricta

| authority = (Semper, 1874)

| synonyms = Edodonta constricta Semper, 1874

| subdivision_ranks = Subspecies

| subdivision =

• A. c. babelthuapi
• A. c. constricta
• A. c. constricta

}}

Aaadonta constricta is a species of land snail,[http://www.ubio.org/browser/details.php?namebankID=7114885] {{webarchive|url=https://web.archive.org/web/20120318042348/http://www.ubio.org/browser/details.php?namebankID=7114885|date=March 18, 2012}}{{cite web|url=http://www.organismnames.com/details.htm?lsid=1679 |title=ION: Index to Organism Names |author=Peter Hollas |publisher=Organismnames.com |access-date=6 December 2014 |url-status=live |archive-url=https://web.archive.org/web/20141208140001/http://www.organismnames.com/details.htm?lsid=1679 |archive-date=8 December 2014 }} a terrestrial pulmonate gastropod mollusk in the family Endodontidae. It is endemic to Palau,Endodontoid land snails from Pacific islands (Mollusca: Pulmonata: Sigmurethra) Part 1. Family Endodontidae. where it is known from the islands of Babeldaob, Ngemelis, Peleliu and Koror. It may be extirpated from Koror. It is threatened by habitat destruction and modification. This species plays an important role in the ecosystem by eating decaying plants and fungi they help return nutrients back to the soil.{{Cite journal |last=Rundell |first=Rebecca J. |date=February 2010|title=Diversity and Conservation of the Land Snail Fauna of the Western Pacific Islands of Belau (Republic of Palau, Oceania) * |url=http://www.bioone.org/doi/abs/10.4003/006.028.0223 |journal=American Malacological Bulletin |language=en |volume=28 |issue=1-2 |pages=81–90 |doi=10.4003/006.028.0223 |issn=0740-2783}}In 1976, Solem described two subspecies of Aaadonta constricta:

• A. c. babelthuapi[http://www.ubio.org/browser/details.php?namebankID=7114887] {{webarchive|url=https://web.archive.org/web/20120318042400/http://www.ubio.org/browser/details.php?namebankID=7114887|date=18 March 2012}}{{cite web|url=http://www.organismnames.com/details.htm?lsid=1680|title=ION: Index to Organism Names|author=Peter Hollas|publisher=Organismnames.com|accessdate=6 December 2014|archive-date=8 December 2014|archive-url=https://web.archive.org/web/20141208135643/http://www.organismnames.com/details.htm?lsid=1680|url-status=live}}Endodontoid land snails from Pacific islands (Mollusca: Pulmonata: Sigmurethra) Part 1. Family Endodontidae. Field Museum of Natural History, Chicago, 1976: i-xii, 1-508. [Zoological Record Volume 115]
• A. c. constricta
• A. c. komakanensis{{cite web|url=http://www.ubio.org/browser/details.php?namebankID=7114888 |accessdate=March 8, 2010 |url-status=dead |archiveurl=https://web.archive.org/web/20120318042418/http://www.ubio.org/browser/details.php?namebankID=7114888 |archivedate=18 March 2012|title=Aaadonta constricta komakanensis}}{{cite web|url=http://www.organismnames.com/details.htm?lsid=1681 |title=ION: Index to Organism Names |author=Peter Hollas |publisher=Organismnames.com |access-date=6 December 2014 |url-status=live |archive-url=https://web.archive.org/web/20141208140219/http://www.organismnames.com/details.htm?lsid=1681 |archive-date=8 December 2014 }}Endodontoid land snails from Pacific islands (Mollusca: Pulmonata: Sigmurethra) Part 1. Family Endodontidae. Field Museum of Natural History, Chicago, 1976: i-xii, 1-508. [Zoological Record Volume 115]