Australian Biological Resources Study

Australian Faunal Directory

<em>Allenella planorum</em>, dorsal view.
Diameter of shell: 2.8 mm.

Allenella planorum, dorsal view. Diameter of shell: 2.8 mm.

<em>Allenella planorum</em>, ventral view.

Allenella planorum, ventral view.

Museums

Regional Maps

Species Allenella planorum Iredale, 1944

Angular Pinhead Snail


Compiler and date details

October 2013 - Dr John Stanisic

 

Introduction

Allenella palmorum is distinguished from A. formalis by the combination of smaller size, angular whorls and flatter spire.

 

Distribution

Extra Distribution Information

Lowlands of Lord Howe Island


Other Regions

Lord Howe Island terrestrial & freshwater

Distribution References

Ecological Descriptors

Forest, litter-dwelling, woodland.

Extra Ecological Information

Possibly arboreal

 

Diagnosis

Shell very small, light bronze colour depressed turbinate/trochoidal with bluntly angular whorls, last whorl large and flared; protoconch with strong spiral lirae, teleoconch sculpture of crowded radial ribs or growth lines and fairly prominent raised spiral lines; umbilicus very narrow; diameter 2.8mm.

 

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)
PUNCTOIDEA 10-Apr-2012 ADDED Dr John Stanisic