Chamalycaeus mixtus Zilch, 1957 Fig. 11B

Chamalycaeus (Chamalycaeus) mixtus Zilch, 1957: 143-144, pl. 5, fig. 7.

Type locality.

"Malakka, Bukit Pondong, (Perak)".

Material examined.

Malakka: Bukit Pondong (Perak), SMF 109510 (holotype); Same data, SMF 109511 (4 paratypes).

Remarks.

Protoconch as in C. microconus ; R1 with rather irregular, widely spaced, low ribs, with somewhat stronger spiral striae; R2 extremely short, consists of ca. eight ribs which are bent in the direction of their anterior neighbours.