Genus Semilaoma Iredale, 1944
Pinhead Snails
Compiler and date details
December 2013 - Dr John Stanisic
- Semilaoma Iredale, T. 1944. The land Mollusca of Lord Howe Island. The Australian Zoologist 10: 299-334 [10 May 1944] [311].
Type species:
Paralaoma (Semilaoma) abjecta Iredale, 1944 by original designation.
Introduction
The combination of minute size, depressedly trochoidal shape and pale colour serves to differentiate Semilaoma from mainland Paralaoma, Iotula and Pseudiotula.
Distribution
Other Regions
Lord Howe Island terrestrial & freshwater
Diagnosis
Shell minute, depressedly trochoidal with sub-angulate whorls; protoconch large, spirally lirate, teleoconch sculpture of irregular, closely spaced radial ribs and fine spiral lirae; umbilicus minute to almost closed. Colour resinous pale yellow.
Diagnosis References
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) |