†Olcostephanus (Viluceras) araucanus Leanza 1958 (ammonite)
Click image to enlarge. Click to access iDigBio record.
Cephalopoda - Ammonitida - Olcostephanidae
Alternative combination: Simbirskites araucanus
Belongs to Olcostephanus (Viluceras) according to M. B. Aguirre-Urreta and P. F. Rawson 1999
Sister taxa: Olcostephanus (Viluceras) duraznoensis, Olcostephanus (Viluceras) permolestus
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 60.0
Distribution: found only at El Durazno 9, Agrio Formation (Cretaceous of Argentina)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.