Diplommatina triangulata Yen, 1939

Xie, Guang-Long, Zhang, Guoyi, Meng, Kaibaryer & Köhler, Frank, 2025, An illustrated type catalogue of Diplommatina Benson, 1849 from mainland China, with description of a new species, Diplommatina yipingica (Gastropoda, Cyclophoroidea), Zoosystematics and Evolution 101 (2), pp. 551-570 : 551-570

publication ID	https://doi.org/10.3897/zse.101.133434
publication LSID	lsid:zoobank.org:pub:BD2439F8-5ADE-4B33-8CEB-D151068C7AB1
DOI	https://doi.org/10.5281/zenodo.14946302
persistent identifier	https://treatment.plazi.org/id/D65C17AE-8F5C-56A5-B9F0-AE90424AB31B
treatment provided by	Zoosystematics and Evolution by Pensoft (2025-02-28 15:12:16, last updated 2025-02-28 17:25:44)
scientific name	Diplommatina triangulata Yen, 1939
status

Treatment

Diplommatina triangulata Yen, 1939 View in CoL

Diplommatina triangulata Yen, 1939: 33, pl. 2, fig. 56. View in CoL

Type material.

Holotype SMF 39672 About SMF (Figs 7 I View Figure 7 , 13 I View Figure 13 ).

Type locality.

“ Mang-hao, Yünnan ” [Manghao, Yunnan Province].

Brief description.

Shell dextral, with about 7 whorls. Protoconch smooth. Penultimate whorl expanded. Constriction at slightly right of parietal wall. Teleoconch with strong, widely-spaced, radial ribs; ca. 4 ribs per 0.5 mm on both penultimate and body whorls. Dorsal fold absent. Umbilicus unknown. Double lip present. Columellar tooth present. One strong horizontal palatalis just above columella. One short vertical palatalis.

Remarks.

The holotype was figured by Yen (1939).

References

Yen T-C (1939) Die chinesischen Land- und Susswasser-Gastropoden des Natur-Museums Senckenberg. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 444: 30-33.

Yen T-C (1939) Die chinesischen Land- und Süßwasser-Gastropoden des Natur-Museums Senckenberg. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 444: 30–33.

Figures

Figure 7. A. Holotype of D. qinghensis IZCAS CT- 014; B. Lectotype of D. rufa, SMF 39665; C. Holotype of D. schmackeriana, SMF 40281; D. Lectotype of D. (Sinica) sculptilis, SMF 39655; E. Lectotype of D. (Sinica) setchuanensis HMT 228 a; F. Paralectotype of D. (Sinica) setchuanensis HMT 228, non- setchuanensis form A; G. Paralectotype of D. (Sinica) setchuanensis HMT 228, non- setchuanensis form B; H. Holotype of D. subcylindrica, SMF 39661; I. Holotype of D. triangulata, SMF 39672; J. Holotype of D. xiazayuensis IZCAS TM 1010000; K. Paratypes of D. xiazayuensis IZCAS TM 010045; L. Holotype of D. xingyinensis IZCAS CT- 022. Scale bar: 1 mm.

Figure 13. Parietalis of species of Diplommatina. A. D. qinghensis; B. D. rufa; C. D. schmackeriana; D. D. (Sinica) sculptilis; E. (Sinica) setchuanensis; F. D. (Sinica) setchuanensis HMT 228, not “ form A ”; G. D. (Sinica) setchuanensis HMT 228, not “ form B ”; H. D. subcylindrica; I. D. triangulata; J. D. xiazayuensis; K. D. xingyinensis; L. D. yunnanensis; M. D. elbowforis; N. D. herziana; O. D. yipingica.