Owen, H.G.
Ammonite zone sequence and ammonite taxonomy in the Douvilleiceras mammillatum superzone (Lower Albian) in Europe - London British Museum (Natural History) September 1988 - pp. 177-231
0007-1471
AMMONOIDEA
CRETACEO
EUROPA
Ammonite zone sequence and ammonite taxonomy in the Douvilleiceras mammillatum superzone (Lower Albian) in Europe - London British Museum (Natural History) September 1988 - pp. 177-231
0007-1471
AMMONOIDEA
CRETACEO
EUROPA