Diplommatina Benson 1849
Creators: name: Hausdorf, Bernhard
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Architaenioglossa
Diplommatinidae
Diplommatina

description: Key to the Diplommatina species from Java
1a. Shell sinistral....................................................................................... 2
1b. Shell dextral........................................................................................ 7
2a. Shell height 4.5–5.1 mm; last whorl almost flat.................................................. D. planicollis
2b. Shell height smaller than 3.5 mm ........................................................................ 3
3a. Last whorl with a spiral depression............................................................. D. sulcicollis
3b. Last whorl without a spiral depression.................................................................... 4
4a. Shell widely ribbed (18–39 ribs on the penultimate whorl).................................................... 5
4b. Shell narrowly ribbed (58–80 ribs on the penultimate whorl).................................................. 6
5a. Shell height 2.45–2.8 mm; very widely ribbed (18–23 ribs on the penultimate whorl).............. D. halimunensis n. sp.
5b. Shell height 3.0– 3.25 mm; more narrowly ribbed (29–39 ribs on the penultimate whorl)............... D. kakenca n. sp.
6a. Shell height 3.2–3.45 mm; peristome broadly expanded.......................................... D. heteroglypha
6b. Shell height 2.65–3.2 mm; peristome little expanded................................................. D. javana
7a. Shell cylindrical or cylindrical-ovoid..................................................................... 8
7b. At least upper half of shell elongated conical, lower part narrowed or almost cylindrical........................... 10
8a. Shell finely and very closely ribbed (84–116 ribs on the penultimate whorl), 2.9–3.25 mm high............ D. cyclostoma
8b. Shell more coarsely and widely ribbed (35–76 ribs on the penultimate whorl), only small shells (shell height <2.5 mm) may be more closely ribbed (up to 87 ribs on the penultimate whorl).................................................. 9
9a. Shell cylindrical, umbilicus very narrow, but not covered by the reflected inner peristome, partly with a low parietal lamella visible in the aperture................................................................... D. heryantoi n. sp.
9b. Umbilicus at least partly covered by the reflected inner peristome, parietal lamella not visible in the aperture.. D. diplostoma
10a. Shell height smaller than 2.1 mm ....................................................................... 11
10b. Shell height larger than 2.1 mm ........................................................................ 12
11a. Shell distinctly ribbed, constriction of last whorl ventrolaterally right or ventrally, spiral palatal fold ventrally or ventrolaterally left...................................................................................... D. perpusilla
11b. Shell indistinctly ribbed, constriction of last whorl laterally right, spiral palatal fold ventrolaterally right... D. ristiae n. sp.
12a. Last 1.5 whorls much narrower than preceding whorl, peristome with distinct extensions, columellar lamella prominent in aperture........................................................................................... 13
description: Published as part of Hausdorf, Bernhard, 2017, Revision of the Diplommatinidae (Gastropoda: Cyclophoroidea) from Java, pp. 201-245 in Zootaxa 4312 (2) on page 204, DOI: 10.11646/zootaxa.4312.2.1, http://zenodo.org/record/892895