Neptunea - links&rechts gewonden

Forfatter/Opretter:

Scanned by Tom Meijer

Kredit:

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).

Shortlink:

https://www.dkwiki.dk/b/3ffd2

kilde:

Wikimedia Commons

størrelse:

534 x 487 Pixel (152207 Bytes)

beskrivelse:

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.

Licens:

Public domain