Alaba picta A. Adams, 1861

Qi, Lu, Xu, Biyang, Kong, Lingfeng & Li, Qi, 2023, Checklist of the micromolluscs in the intertidal zone of the Yellow Sea and Bohai Sea, China, Biodiversity Data Journal 11, pp. 105444-105444 : 105444

Alaba picta A. Adams, 1861

Native status

Found on seagrass between tidal and shallow waters.

Distribution

From Liaoning to Shandong coasts of China; Japan; Australia.

Notes

Alaba picta with obvious morphological variance in colour, aperture, shell length and sculpture ( Liu 2013). Diala vitrea G. B. Sowerby, 1915 is the name given to a phenotype lacking a colour-pattern ( Okutani 2017). Diala picta A. Adams, is the original name of A. picta , which is from the Shandong coast of China ( Adams 1861).

Diagnosis

Shell small (8.5 ± 0.34 mm in height, 4.5 ± 0.18 mm in width), ovate-conica, thin, fragile, translucent, whorls about 8, less inflated, spire high, body whorl inflated (Fig. 3 ). Suture shallow. Shell surface smooth, varices on whorls here and there. Yellowish-brown in colour, with red-brown fine spiral striae and irregularly red-brown longitudinal striae and with thin periostracum. The aperture wide and large, outer lip thin, simple, columella concave, without umbilicus.

Figures

Figure 3. Alaba picta A. Adams, 1861.