Keywords: Neptunea - links&rechts gewonden.jpg en Example of left- and right coiling in gastropods figure at left side Neptunea angulata contraria auct as left coiled; figure at right side Neptunea despecta as right coiled species Both are fossil from Pliocene deposits near Antwerp Belgium North Sea Basin Nyst P H 1878-1881 Conchyliologie des terrains tertiaires de la Belgique -- Ann Mus r Hist nat Belg 3 1-262 1878 28 pls 1881 Scanned by Tom Meijer 2009-03-07 PD-old Neptunea Neptunea despecta Pliocene Gastropoda fossils Fossils of Belgium |