Six new species of Australocosmica Köhler, 2011 from the Kimberley islands, Western Australia (Mollusca: Pulmonata: Camaenidae)
Author
Criscione, Francesco
Author
Köhler, Frank
text
Zootaxa
2013
3608
2
101
115
journal article
10.11646/zootaxa.3608.2.1
dc20b97c-cdf4-467d-8ce9-98e912fe060c
1175-5326
223235
0E56C847-5694-4315-9A51-B4F207CA4F91
Australocosmica rotunda
n. sp.
Figs 3
F, 5E–F, 7B
Holotype
.
Australia
, WA
,
Kimberley: Un-named island near the mouth of Sale River, Doubtful Bay, SW Kimberley, -15.959, 124.596 (coll. V. Kessner, R. Teale, 11 February 2010) (WAM
S84061
).
Paratypes
.
Australia
, WA, Kimberley: same data as for
holotype
, 23 wet (WAM
S49237
), 7 dry (WAM
S49302
); Sale River, ca. 5 Km E of Doubtful Bay, SW Kimberley, -15.988, 124.643 (coll. V. Kessner, R. Teale, 12 February
2010
),
3
dry (WAM
S
49303
).
Etymology
. In reference to the rounded shape of shell, derived from “
rotundus
” (Latin=rounded), adjective of feminine gender.
Description.
Shell (
Figs 3
F; 5E, F). Large, with moderately short spire and globose shape. Whorls with wellrounded periphery, weakly shouldered underneath suture. Axial ribs moderately pronounced. Colour light brown to brown. Genitalia (
Fig. 7
B): Penis more than half as long as anterior part of oviduct (= vagina and free oviduct). Inner penial wall supporting irregular posterior folds and anteriorly three, wide longitudinal pilasters extending into atrium. Vagina almost as long as penis and about 1.5 times longer than free oviduct. Spermoviduct about 3.5 times longer than free oviduct and more than 1.5 times longer than albumen gland.
Remarks.
Shell colour darker than in other congeners, often as dark
A. augustae
. On average shell larger than other congeners, but slightly smaller than
A. augustae
; more elevated than other congeners except
A. augustae
and
A. pallida
; with more whorls than
A. augustae
,
A. bernoulliensis
and
A. pallida
. Sculpture similar to
A. nana
, with fewer and more pronounced axial ribs than other congeners except
A. crassicostata
. Inner penial wall similar to that of
A. crassicostata
with more differentiated posterior longitudinal pilasters. This is Solem’s (1991) manuscript species ‘NSP 40’.