_______________
Additional Photos
underside
with spots
shell
|
Herviera gliriella (Melvill &
Standen,
1896)
Maximum size: 2.5 mm shell
length.
Identification:
The
shell
of this species is ovate with prominent axial ribs. It has
five whorls when mature and the apex and base are dark brown,
contrasting with the light brown of the remainder of the shell. The
axial ribs increase in size gradually at the transition between the
protoconch and teleoconch. That trait and its color distinguish it from Odostomella rosa. The two-toned
color and fewer axial ribs distinguish it from Herviera sp. #2. The animal is cream, sometimes with white flecks.
Natural history:
Shells
of
Herviera gliriella
are moderately rare in beach drift. Live animals are found occasionally
in shallow rocky habitats.
Distribution:
Maui, Oahu, French Frigate Shoals and Midway (also Johnston Atoll?).
Taxonomic notes:
The
description
of Herviera gliriella in Kay, 1979 suggests that she may not have been
distinguishing it from Odostomella rosa and Herviera sp. #2. Her photo, however, and the illustration in Severns, 2011 are clearly this species.
Photo: CP: Hekili Point, Maui; April 9, 2014.
Observations and comments:
Note
1: ( )
|
|