Caecum succineum de Folin, 1880
Figs 17, 25G, H
Caecum succineum de Folin, 1880: 810, 811.
Caecum succineum: de Folin 1881: 25, pl. 2, figs 12, 13.
Caecum succineum: de Folin 1886: 685, 686, pl. 3, figs 15, 16.
Caecum sp. a: Bosch et al. 1995: 49, n. 144.
Caecum succineum: Pizzini et al. 2013: 25, 26, figs 11Q, R, 12A–C, 19I.
Type locality: St. 186, Flinders Passage, Cape York, 7 fms.
Type material examined: Lectotype (NHMUK 1887.2.9.2344) selected by Pizzini et al. (2013: 25, fig. 11R).
Material examined: SOUTH AFRICA: KwaZulu-Natal: 1 lv, between Bhanga Nek and Kosi Bay, reef off marker 13 north, - 9–14 m (NMSA S1586) ; 1 lv (operculum in a small glass vial), Kosi Bay, main reef, 1–4 km S of estuary mouth, - 18 m, underwater pump (NMSA S2303) : 1 sh, Aliwal Shoal, off Scottburgh, - 10 m, sand and reef debris, hand-dredged D. Herbert 4.iv.1992 (NMSA W9684) .
Distribution: IndoWest Pacific; in South Africa this species was collected from the eastern coast (Fig. 17).
Remarks: This species is characterized by the presence of some rings in the abapical portion of the tube and by a low dome-shaped septum without mucro.