Bentharca sp.

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

Bentharca sp.

Native status

Found on sandy mud bottoms in upper sublittoral zones.

Distribution

Bohai Sea of China.

Notes

This species is very similar to Bentharca spp. in shell characters including radial riblets and is covered with lamellate epidermis at interstices, cardinal plate and umbo.

Diagnosis

Shell minute (2.3 ± 0.02 mm in length, 1.5 ± 0.04 mm in height), elongate squarish, thin, moderately inflated (Fig. 21 ). Antero-posterior margin round, anterior narrower and shorter than posterior; posterior hardly oblique, sides weakly angulated at upper part. Umbo corroded, situated in front of dorsal margin. Surface with 33 radial riblets of various prominence and strong concentric ribs near the umbo; covered with lamellate epidermis at interstices; inner surface margin is toothed. With a depression at the ventral margin. Cardinal plate with 3 teeth on anterior arc and 4 on posterior arc.

Figures

Figure 21. Bentharca sp.