Remin et al., 2015 Diplomoceras cylindraceum

[mhorn]

Remin, Z., Machalski, M., Jagt, J.W.M., 2015. The stratigraphically earliest record of Diplomoceras cylindraceum (heteromorph ammonite) – implications for Campanian/Maastrichtian boundary definition // Geological Quarterly, 59 (4), doi: 10.7306/gq.1253

https://gq.pgi.gov.pl/article/download/24823/_1