Cochlostyla smaragdina

{{Short description|Species of gastropod}}

{{Redirect|Helicostyla smargadina|the species originally described by Grateloup in 1840|Chloraea (gastropod)}}

{{speciesbox

| image = Naturalis Biodiversity Center - RMNH.MOL.308891 - Helicostyla (Opalliostyla) smaragdina (Reeve, 1842) - Bradybaenidae - Mollusc shell.jpeg

| image_caption =

| status = CR

| status_system = IUCN2.3

| status_ref = Mollusc Specialist Group. 1996. Helicostyla smargadina. The IUCN Red List of Threatened Species 1996: e.T9807A13018354. {{doi|10.2305/IUCN.UK.1996.RLTS.T9807A13018354.en}}. Downloaded on 04 December 2021.

| genus = Cochlostyla

| species = smaragdina

| authority = (Reeve, 1842)

| synonyms =

}}

Cochlostyla smaragdina is a species of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks, in the family Camaenidae endemic to the Philippines.MolluscaBase eds. (2021). MolluscaBase. [https://www.marinespecies.org/aphia.php?p=taxdetails&id=1415502 Cochlostyla smaragdina (Reeve, 1842)]. Accessed through World Register of Marine Species on 04 December 2021. The specific name "smaragdina" comes from "smaragdus," [https://www.perseus.tufts.edu/hopper/morph?l=smaragdus&la=la&can=smaragdus0&prior=Smaragdites Perseus Digital Library Latin Dictionary] Accessed 10 December 2018 Latin for "emerald," and refers to the brilliant green of mature specimens. This name is commonly misspelled as "smargadina," an error which has propagated through multiple databases.