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

 

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).

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.

Gallery Image

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.

Gallery Image

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.

Kingdom

Animalia

Phylum

Mollusca

Class

Gastropoda

Order

Architaenioglossa

SuperFamily

Cyclophoroidea

Family

Diplommatinidae

Genus

Diplommatina