stenoendemic

1. not comparableNative to a particular area or culture; originating where it occurs.

   The subterranean habitats of the Dobra Rivers are also home to the Ogulin cave planarian (Dendrocoelum subterraneum Komárek, 1919), a Critically Endangered (CR) stenoendemic species that has only been recorded in the Ðula Sink-Medvedica cave system.

   2020 April 20, Doru Bănăduc, Angela Curtean-Bănăduc, Franco Pedrotti, Kevin Cianfaglione, John R. Akeroyd, Human Impact on Danube Watershed Biodiversity in the XXI Century, Springer Nature, page 156

   1 more example

   Three stenoendemic species are considered vulnerable (VU): Paramysis kosswigi from Lake Işikli in Turkey and several springs; Paramysis lacustris turcica endemic of Lake Beyşehir in Turkey and D. hebraica, found only in three costal stream in Israel.

   2021, Recent Advances in Freshwater Crustacean Biodiversity and Conservation (Advances in Crustacean Research; 22), CRC Press, page 51

plural stenoendemics

1. An individual or species that is stenoendemic to a region.

   Two stenoendimics with stable populations, Trogolomysis vjetrenidensis from Vjetrencia cave in Bosnia and Herzogovinia (ca 7 km long), and D. lacustris from Lake Scutari (370 km²), on the border between Montenegro and Albania, are endangered by habitat disturbance.

   2021, Recent Advances in Freshwater Crustacean Biodiversity and Conservation (Advances in Crustacean Research; 22), CRC Press, page 51