Acroptychia aequivoca
| Acroptychia aequivoca | |
|---|---|
 | |
| Shell of Acroptychia aequivoca (syntype at MNHN, Paris) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Architaenioglossa |
| Family: | Cyclophoridae |
| Genus: | Acroptychia |
| Species: | A. aequivoca |
| Binomial name | |
| Acroptychia aequivoca (L. Pfeiffer, 1857) | |
| Synonyms | |
| |
Acroptychia aequivoca is a species of land snails, gastropod mollusks in the family Cyclophoridae.[1]
Description
The shell of Acroptychia aequivoca is helicoid (coiled like a spiral) and features a wide umbilicus, which is the hollow space or cavity at the center of the shell's underside. The shell typically has 5.5 whorls (turns of the spiral) and is distinctively encircled by three faint, reddish-brown color bands. Its aperture (the main opening of the shell) is perfectly circular, showcasing a unique blood-red color on the inner lip and a rolled-back or reflected outer lip. The total length of the shell can vary from 10 to 30 millimeters in size.[2]
Habitat and Distribution
This species is endemic to Madagascar, meaning it is found nowhere else on Earth. Its range covers the southern, eastern, and northeastern regions of the island, including documented sightings in Ekongo. It primarily populates the humid eastern rainforests, where it spans a large altitude range that stretches all the way from the coastal sea level up into the central highlands.[2]
References
- ↑ MolluscaBase eds. (2024). MolluscaBase. Acroptychia aequivoca (L. Pfeiffer, 1857). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1290662 on 2024-03-17
- 1 2 "A GUIDE TO THELAND SNAILS OF RANOMAFANA NATIONAL PARK MADAGASCAR". research.calacademy.org. Retrieved 2026-05-17.
- Fischer-Piette, E., Blanc, C.P., Blanc, F. & Salvat, F. (1993). Gastéropodes terrestres prosobranches. Faune de Madagascar, 80: 1–281.
External links
- Pfeiffer, L. (1857). Descriptions of thirty-one new species of land-shells, from Mr. Cuming's collection. Proceedings of the zoological Society of London. 25 (333): 107–112; 25 (334): 113. London
- Crosse, H. & Fischer, P. (1883). Communication, par M. A. Grandidier, d'espèces provenant de Madagascar. Journal de Conchyliologie. 30 (4): 324-326.
- Ancey, C. F. (1902). Contributions towards the knowledge of the Mollusca of Madagascar. The Nautilus. 16(6): 64-68; 16(7): 80-82