Japonia
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Ordo: Architaenioglossa
Familia: Cyclophoridae
Name
Japonia Gould, 1859 – Wikispecies link – Pensoft Profile
- Japonia Gould, 1859: 426.
Diagnosis for the Sabah species
Shell small, white to pale corneous or pale greenish, usually marked with brown. Surface dull or shiny. Spire low to high-conical. Radial sculpture usually consisting of growth lines, locally grading into riblets. Spiral sculpture usually consisting of inconspicuous to distinct threads, sometimes with a peripheral keel. Peristome simple or double, expanded or not, with a notch in the angular corner. Height 4–12 mm. Umbilicus narrow to wide.
Cross diagnosis
The genus Leptopoma Pfeiffer, 1847 (Borneo species revised by Vermeulen 1999[1]), is most similar. Japonia is distinguished by the presence of a small notch in the angular corner of the peristome.
Remarks
The Borneo species, numbering about 25, have not yet been revised. Nonetheless, we feel confident to describe one, highly distinctive, new species.
Taxon Treatment
- Vermeulen, J; Liew, T; Schilthuizen, M; 2015: Additions to the knowledge of the land snails of Sabah (Malaysia, Borneo), including 48 new species ZooKeys, (531): 1-139. doi
Other References
- ↑ Vermeulen J (1999) Notes on the nonmarine molluscs of the island of Borneo 9. The genera Cyclophorus, Leptopoma, and Craspedotropis (Gastropoda Prosobranchia: Cyclophoridae. Basteria 63: 139–163.
