| Peristome |
simple, thin and continuous |
simple, thin and continuous |
simple and slightly thickened |
simple, sharp, slightly expanded, margins separate |
simple, curve, within grooved, thick, whitish |
thin, non- continuous, margins joined, right margin straight, sharp, columellar margin reflexed |
thin, sharp, non-continuous |
simple, slightly receding in front, provided with somewhat thickened inner margin |
thin, non- continuous |
thin, parietal margin callous, inside straight, narrow |
uniformly curved, angled at posterior (or upper) side, very slightly arched, slightly expanded above, below constricted |
| Operculum |
oval, calcareous, multispiral with growth lines |
unknown |
paucispiral, has calcareous peg emerged from inner surface |
unknown |
testaceous, thin, transparent, broadly semilunar, with eccentric nucleus, covered externally with wrinkled growth-striae |
thin, horny, transparent, paucispiral, with a basal nucleus |
unknown |
testaceous,, thin, almost transparent, paucispiral |
unknown |
unknown |
unknown |
| Habitat |
moss, at cave entrance |
soil-leaf litter near waterfall |
wet walls of inside cave |
on mossy tree trunks |
– |
adhering to stones |
– |
– |
– |
near caves |
near caves |
| Distribution |
Krem Puri, Meghalaya, India |
Sadu Chiru waterfalls, Manipur, India |
Mawsmai cave, Meghalaya, India |
Cherra Poonjee (present Cherrapunjee), Khasi hills, Meghalaya, India; Tuipui, Champhai district, Mizoram, India (Present study) |
Damotha, near Moulmein, Myanmar |
Phie Than, Tenasserim, Myanmar |
Thyet-Mio, Myanmar |
Ataran River Valley, near Moulmein, Myanmar |
Ava, Myanmar |
Near Moulmein in Farm Caves, Myanmar |
Farm Caves, near Moulmein, Myanmar |