Traits taxon details
original description
Kröger, B.; Beresi, M. S.; Landing, E. (2007). Early orthoceratoid cephalopods from the Argentine Precordillera (Lower-Middle Ordovician). <em>Journal of Paleontology.</em> 81(6): 1266-1283., available online at https://doi.org/10.1666/06-013.1 page(s): 1277, figs 6.1, 6.2, 6.5 [details] Available for editors 
|