A review of the genus Pupopsis Gredler, 1898 (Gastropoda: Stylommatophora: Enidae), with the descriptions of eight new species from China
Author
Wu, Min
Author
Gao, Linhui
text
Zootaxa
2010
2725
1
27
journal article
46921
10.5281/zenodo.199982
558b2fa1-879c-44e4-956d-9abd9c9a249a
1175-5326
199982
11.
Pupopsis subtorquilla
sp. nov.
Figs. 1
,
3
I
, 11A–11C;
Table 2
Type
material.
Holotype
: HBUMM-05429–specimen 2 (fms), Yuxushan Hill,
10 km
north of town of Wenxian, site No. 0 45, 1070 m a.s.l., 32°57ʹ35.5ʹ N, 104°40ʹ41.6ʹ E, Wenxian County, S. Gansu,
China
,
2006–IX–27
, leg. M. Wu, J. Liu, W. Zheng & L. Gao.
Paratypes
: HBUMM-05429–specimens 1, 3–13, (12 fms), same collection data as
holotype
; HBUMM-05545–specimens 1–3, (3 fms),
829 m
a.s.l., 32°51ʹ44.7ʹ N, 104°50ʹ48.2ʹ E,
Hendan
Village, along national highway no. 212, S. Gansu,
China
,
2006–IX–29
, leg. M. Wu, J. Liu, W. Zheng & L. Gao; HBUMM- 0 0 349 (1 fms), Bikou,
720 m
a.s.l., 32°48ʹ, 105°12ʹE, Wenxian County, Gansu,
China
,
2004–IV–18
, leg. M. Wu; HBUMM-00314–specimens 1–4 (4 fms), Wenxian, Shangdanpu,
1450 m
a.s.l., 33°0ʹN, 104°36ʹE,
2004–IV–22
, leg. M. Wu; HBUMM-00337–specimens 1–3 (3 fms), Wenxian,
2004–IV–7
, leg. M. Wu.
Type
locality.
Yuxushan Hill,
10 km
north of Wenxian, Wenxian County, S. Gansu.
Material examined.
Type
material.
Distribution.
Wenxian County, Gansu.
Etymology.
The new species is named for its congener,
P
.
torquilla
, to which it is taxonomically closest. The epithet is a noun in apposition.
Diagnosis.
Shell with 6.500–7.500 whorls. Height 7.0–8.4, diam. maj. 3.5–4.5. Parietal tooth present. Columellar tooth prominent and expanded inward. Palatal tooth ridge-like.
Shell.
Bulbous-ovate; apex not acuminate; dextral; thick-shelled; solid; opaque; glossy; with 6.500–7.025– 7.500 whorls. Whorls never spirally grooved; somewhat convex. Embryonic shell smooth; not polished; with 1.250–1.554–2.500 whorls. Postnuclear whorls wrinkled. Suture simple. Last whorl gradually ascending toward aperture; rounded at periphery. Shell 7.0–7.8–8.4 high; 3.5–4.0–
4.5 in
diam. maj. Height/diam. maj. ratio 1.79– 1.97–2.30. Aperture subovate; almost vertical; its insertions separated; 2.5–2.9–3.4 high, 2.3–2.6–2.8 wide. Ratio of shell height to aperture height 2.27–2.71–3.16. Palatal margin rounded. Peristome expanded, sharp. Palatal tooth ridge-like, extending through nearly the entire body whorl. Parietal callus distinct. Angular tubercle and parietal tooth present. Columellar margin reflexed; with one tooth which is hardly visible in apertural view but extends inward along the columella. Umbilicus a narrow slit. Shell, including upper whorls, uniformly light corneousbrown; aperture white.
Remarks.
The new species is close to
P
.
torquilla
due to similar size and the development of the apertural armature. However, the shell of the new species is much more swollen, with much fewer whorls and the columellar tooth is almost invisible in apertural view.