Xolotrema
| Xolotrema | |
|---|---|
 | |
| Xolotrema notata from W. G. Binney, 1878[1] | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia clade Euthyneura clade Panpulmonata clade Eupulmonata clade Stylommatophora informal group Sigmurethra |
| Superfamily: | Helicoidea |
| Family: | Polygyridae |
| Genus: | Xolotrema Rafinesque, 1819[2] |
Xolotrema is a genus (or subgenus under Triodopsis) of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Polygyridae.
Shell description
Pilsbry (1940)[3] characterized the shell of Xolotrema (which he considered to be a subgenus) thus:
"Triodopses, in which the inner margin of the basal lip has a long bladelike lamella, terminating at a notch where it joins the outher arc of the lip; the embryonic whorls are covered with close retractive radial striae (subobsolete in T. fosteri)."
Species
Species within the genus Xolotrema include:
- Xolotrema notata
- Xolotrema obstricta
- Xolotrema carolinensis
- Xolotrema fosteri
References
- ↑ Binney, William G. (1878). The Terrestrial Air-Breathing Mollusks of the United States and Adjacent Territories of North America. Vol. 5 (plates). Bull. Mus. Comparative Zool., Harvard. Plate 14.
- ↑ Rafinesque, C. S. (1819). Journal de Physique, de Chimie, d'Histoire Naturelle 88:425.
- ↑ Pilsbry, Henry A. (1940). Land Mollusca of North America (North of Mexico). Acad. Nat. Sci. Philadelphia, Monograph 3, vol. 1(2): 823.
This article is issued from Wikipedia - version of the Saturday, March 02, 2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.