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Subspecies Gyliotrachela australis napierana Solem, 1981

Napier Range Trumpetsnail


Compiler and date details

April 2012 - Dr John Stanisic

 

Introduction

Gyliotrachela australis napierana can be distinguished from the nominal subspecies by the smaller size, more strongly developed apertural teeth and the greater upward deflection of the last whorl. This species is confined to the Napier Range in the KImberley, northern Western Australia.

 

Distribution

States

Western Australia


Extra Distribution Information

Napier Range, WA

Australian Endemic.


IBRA and IMCRA regions (map not available)

IBRA

WA: Central Kimberley (CK)

Distribution References

Ecological Descriptors

Saxicoline, terrestrial.

Extra Ecological Information

Under rocks on limestone outcrops.

 

Diagnosis

Shell tiny, dark brown, trochoid with a prominent peripheral angle and subperipheral sulcus; sculpture of spiral threads and weak axial growth threads; last whorl trumpet-like and flared, detached from shell and deflected upward; aperture ovate with very strongly developed parietal and palatal teeth, accessory teeth prominent; umbilicus open; height 2.0mm.

 

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)
24-Jul-2012 24-Jul-2012 MODIFIED
27-Jun-2012 27-Jun-2012 MODIFIED
12-Feb-2010 (import)