Spelaeoconcha
Species of gastropod
From Wikipedia, the free encyclopedia
Spelaeoconcha paganettii is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the superfamily Pupilloidea.[4] It is the only species in the monotypic family Spelaeoconchidae.[4]
| Spelaeoconcha | |
|---|---|
| Drawing of three views of a shell of Spelaeoconcha paganettii from its original description by Rudolf Sturany in 1901 | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Suborder: | Helicina |
| Infraorder: | Pupilloidei |
| Superfamily: | Pupilloidea |
| Family: | Spelaeoconchidae A. J. Wagner, 1928[1] |
| Genus: | Spelaeoconcha Sturany, 1901[2] |
| Species: | S. paganettii |
| Binomial name | |
| Spelaeoconcha paganettii | |
| Subspecies[3] | |
| |
Taxonomy
The family Spelaeoconchidae is classified within the informal clade Orthurethra, itself belonging to the clade Stylommatophora within the clade Eupulmonata (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).[4] The family Spelaeoconchidae has no subfamilies.
Distribution
The distribution of Spelaeoconcha paganettii includes Croatia and Bosnia and Herzegovina.[5]
Description
The shell is whitish or pale yellowish, almost smooth and very shiny.[5] The shell has 7 not very convex whorls.[5] The last whorl is ascending shortly before the aperture.[5] The aperture is without teeth.[5] Apertural margin is thickened except on upper side, and with a wavy contour seen from the side.[5] The umbilicus is open but narrow, only partly covered by columellar margin of the aperture.[5]
The width of the shell is 2.5–2.6 mm.[5] The height of the shell is 5.4–6.1 mm.[5]
Ecology
This small snail was found under stone rubble, on blackish-brown soil in a cave.[5]