Cephalopoda - Ammonitida - Olcostephanidae
Alternative combinations: Astieria laticosta, Olcostephanus laticosta
Synonym: Holcostephanus leanzai Giovine 1950
Belongs to Olcostephanus (Olcostephanus) according to M. B. Aguirre-Urreta and P. F. Rawson 2001
See also Haas 1960
Sister taxa: Olcostephanus (Olcostephanus) balestrai, Olcostephanus (Olcostephanus) boesei, Olcostephanus (Olcostephanus) densicostatus, Olcostephanus (Olcostephanus) fascigerus, Olcostephanus (Olcostephanus) globosus, Olcostephanus (Olcostephanus) mingrammi, Olcostephanus (Olcostephanus) mitreanus, Olcostephanus (Olcostephanus) nicklesi, Olcostephanus (Olcostephanus) sakalavensis, Olcostephanus (Olcostephanus) salinarius, Olcostephanus (Olcostephanus) sayni, Olcostephanus (Olcostephanus) tenuituberculatus, Olcostephanus (Olcostephanus) variegatus
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 84.4
Distribution:
• Cretaceous of Argentina (26 collections)
Total: 26 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.