| Amphidromus cognatus | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Stylommatophora |
| Family: | Camaenidae |
| Genus: | Amphidromus |
| Species: | A. cognatus |
| Binomial name | |
| Amphidromus cognatus Fulton, 1907 | |
Amphidromus cognatus, the cognate land snail, is a large camaenid land snail endemic to Australia. [2]
Its subgeneric placement is Incertae sedis . [3]
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. [4]
Amphidromus cognatus has only been found in a restricted geographic range in Australia's Northern Territory. [5]
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. [4]
Amphidromus cognatus is considered Endangered by the IUCN (World Conservation Union). [1] The species is not listed on the Australian government's list of threatened fauna, but the Northern Territory government considers it Vulnerable. [4]
Aaadonta is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Endodontidae. Specimens from this genus are endemic to Palau.
Amphidromus is a genus of tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Camaenidae. The shells of Amphidromus are relatively large, from 25 mm (0.98 in) to 75 mm (3.0 in) in maximum dimension, and particularly colorful. During the 18th century, they were among the first Indonesian land snail shells brought to Europe by travelers and explorers. Since then, the genus has been extensively studied: several comprehensive monographs and catalogs were authored by naturalists and zoologists during the time period from the early 19th to the mid 20th centuries. Modern studies have focused on better understanding the evolutionary relationships within the group, as well as solving taxonomic problems.
Youwanjela wilsoni is a species of air-breathing land snail, terrestrial pulmonate gastropod mollusks in the family Camaenidae.
Torresitrachia is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Camaenidae.
Westraltrachia is a genus of land snails in the family Camaenidae.
Westraltrachia inopinata is a species of air-breathing land snails, a terrestrial pulmonate gastropod mollusk in the family Camaenidae.
Camaenidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea, the typical snails and their allies. This is one of the most diverse families in the clade Stylommatophora.
Amphidromus inversus is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Camaenidae.
George Alan Solem, known professionally as Alan Solem, was an American malacologist, a biologist who studied mollusks.
Amphidromus schomburgki is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Camaenidae.
Amphidromus atricallosus is a species of air-breathing, arboreal land snails in the family Camaenidae.
Amphidromus flavus is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Camaenidae.
Amphidromus xiengensis is a species of land snail in the family Camaenidae. It is endemic to Southeast Asia with records from Thailand, Cambodia, and Laos. The specific name xiengensis refers to its type locality, Chiang Mai.
Amphidromus roseolabiatus is a species of terrestrial gastropod in the family Camaenidae.
Vatusila is a genus of land snail found in Oceania. It consists of five extant and one fossil species. Alan Solem described and named the genus in 1983.
Basedowena is a genus of air-breathing land snails in the subfamily Hadrinae of the family Camaenidae.
Laidlaw F. F. & Solem A. (1961). "The land snail genus Amphidromus: a synoptic catalogue". Fieldiana Zoology41(4): 505-720.