2 Bacillum obtusum (Blanford, 1869)

Fig. 3 E – H

Achatina (Glessula) obtusa Blanford, 1869: 449. Type locality: Bhamo in regno Avae [Bhamo District, Kachin State, Myanmar].

Achatina (Bacillum) obtusa — Hanley and Theobald 1870: 17, pl. 36, fig. 6.

Achatina obtusa — Pfeiffer 1876: 290.

Glessula obtusa — Nevill 1877: 25.

Stenogyra (Subulina) obtusa — Pfeiffer and Clessin 1881: 327.

Bacillum obtusum — Pilsbry 1906: 1, 2, pl. 1, fig. 1. Gude 1914: 347.

Type specimens.

Syntypes NHMUK 1906.2. 2.349 [re-registered in error as 19850143] (4 shells; Fig. 3 E, F) ex. Blanford collection from Bhamo, Upper Burmah.

Other material.

NHMUK 1903.7. 1.1725 (2 shells + 1 juvenile; Fig. 3 G, H) ex. Godwin-Austen collection from Bhamo, Upper Burma. NHMUK 18 / 88.12. 4.1012–1014 (3 shells) from Bhamo. NHMUK (1 shell) ex. TV Oldham collection from Bhamo, Burma. SMF 145947 / 2 (2 shells) ex. von Möllendorff collection from Bhamo.

Diagnosis.

Shell slender, elongate turreted and apical whorls rapidly attenuated; apex rounded, blunt and very large embryonic shell; subsequent whorls with fine radial striae. Suture shallow and whorls flattened. Aperture obliquely subovate; columella curved and truncated.

Distribution.

This species is known only from the type locality.

Remarks.

No new material of this species was collected in this study, but the syntypes are illustrated for the first time.