Genus Christianoconcha Iredale, 1945
Pinhead Snails
Compiler and date details
October 2013 - Dr John Stanisic
- Christianoconcha Iredale, T. 1945. The land Mollusca of Norfolk Island. The Australian Zoologist 11: 46-71 [55].
Type species:
Christianoconcha quintali Iredale, 1945 by original designation.
Introduction
Christianoconcha is a Norfolk Island endemic and is distinguished from Paralaoma and Semilaoma by the presence of more regular coiling, deeper sutures and more regular sculpture.
Distribution
Other Regions
Norfolk Island terrestrial & freshwater
Distribution References
Diagnosis
Shell very small, depressedly turbinate with a low spire; whorls rounded, sutures impressed; protoconch with fine spiral lirae, teleoconch sculpture of closely to widely spaced radial ribs and fine crowded spiral lirae; two parietal lamellae in the aperture, or lamellae absent; umbilicus wide U-shaped.
Diagnosis References
Iredale, T. 1945. The land Mollusca of Norfolk Island. The Australian Zoologist 11: 46-71
General References
History of changes
Note that this list may be incomplete for dates prior to September 2013.
| Published | As part of group | Action Date | Action Type | Compiler(s) |
|---|---|---|---|---|
| 06-Feb-2014 | PUNCTOIDEA | 06-Feb-2014 | MODIFIED | Dr John Stanisic |
| 12-Feb-2010 | (import) |