Coronula Lamarck, 1802

Buckeridge, John Stewart, Chan, Benny K. K. & Lin, Jih-Pai, 2019, Pampus candidus, Zoological Studies 58 (39), pp. 1-9 : 3

Coronula Lamarck, 1802

Diagnosis: Shell with six equal-sized compartments; opercular valves present; parietes with similar structure throughout, without internal mid ribs; parietal ribs radiate accordion-like to end as T-shaped flanges forming exterior of wall; radii less than half thickness of parietes; orifice of body chamber larger than basal opening; sheath smooth, extending entire length of inner wall; radiating ribs on either side of sutures unbranched or asymmetrically branched; opposed sides of terminal flanges crenulate.

Distribution: Upper Miocene-Recent (Cosmopolitan) ( Buckeridge, 1983; Buckeridge et al. 2018).