| Trichodiscinidae | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Superfamily: | Helicoidea |
| Family: | Trichodiscinidae H. Nordsieck, 1987 |
Trichodiscinidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.
Species within this family are distributed in Mexico, Central America, Colombia, Venezuela and the Caribbean. [1]
They have a flattened, discoidal shells that typically range from about 2 to 6 millimeters in diameter. [2]
The family was formally established by Hartmut Nordsieck in 1987 based on distinct morphological characteristics of the species that set it's members apart from related groups.
The species Averellia coactiliata was previously described by Gérard Paul Deshayes in 1839 and the genus Trichodiscina was established by Eduard von Martens in 1892.
The following two subfamilies have been recognized in the Taxonomy of Bouchet & Rocroi (2005): [3]