Cephalopoda - Ammonitida - Knemiceratidae
Alternative combination: Knemiceras attenuatum
Full reference: A. Hyatt. 1875. The Jurassic and Cretaceous ammonites collected in South America by Prof. James Orton, with an appendix upon the Cretaceous ammonites of Prof. Hart's collection. Proceedings of the Boston Society of Natural History 17:365-378
Belongs to Glottoceras according to E. Robert 2002
See also Benavides-Caceres 1956 and Bulot et al. 2005
Sister taxa: Glottoceras crassicostatum, Glottoceras crassinodosum, Glottoceras gabbi, Glottoceras laraense, Glottoceras moorei, Glottoceras ollonense, Glottoceras ovale, Glottoceras raimondii, Glottoceras semicostatum, Glottoceras sommermeieri, Glottoceras triangulare
Average measurements (in mm): shell diameter 53.9
Distribution:
• Cretaceous of Peru (7 collections)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.