Taxon classification Animalia Hygrophila Lymnaeidae

coarctatus Dunker Fig. 53

Limnaeus coarctatus Dunker (? in MS).

Material.

ZMB collection contains two specimens collected in Sumatra (Indonesia) and marked as ‘types’ . The largest of two shells is 17.6 mm height.

Current taxonomic allocation.

Cerasina luteola .

Remark.

The species has not been mentioned in the most inclusive handbooks on lymnaeid taxonomy ( Küster 1862; Clessin 1886; Hubendick 1951) as well as in special works devoted to continental malacofauna of the Ost-Indian region (von Martens 1897a).