Amphidromus cognatus facts for kids
Quick facts for kidsAmphidromus cognatus
informal group Sigmurethra
Its subgeneric placement is Incertae sedis.
Amphidromus cognatus is large, with a shell length ranging from 21–33 mm (0.8–1.3 inches) and a diameter of 12–17 mm (0.5–0.7 inches). The ground colour of its shell is yellow, often with a peripheral spiral brown band, a purplish apical suffusion and a light yellow or white lip.
The snail was first described in 1907, from three specimens found at Port Essington on the Cobourg Peninsula before 1850, although it was not found there since. Several sightings were made between 1976 and 1980, at one site on Bathurst Island and three sites at Melville Island.
Amphidromus cognatus is considered Endangered by the IUCN (World Conservation Union). The species is not listed on the Australian government's list of threatened fauna, but the Northern Territory government considers it Vulnerable.
Amphidromus cognatus Facts for Kids. Kiddle Encyclopedia.