Zell, P., & Stinnesbeck, W. (2015). Kimmeridgian (Late Jurassic) cold-water idoceratids (Ammonoidea) from southern Coahuila, northeastern Mexico, associated with Boreal bivalves and belemnites. Revista mexicana de ciencias geológicas, 32(1), .
Chicago Style (17th ed.) CitationZell, Patrick, and Wolfgang Stinnesbeck. "Kimmeridgian (Late Jurassic) Cold-water Idoceratids (Ammonoidea) from Southern Coahuila, Northeastern Mexico, Associated with Boreal Bivalves and Belemnites." Revista Mexicana De Ciencias Geológicas 32, no. 1 (2015).
MLA (9th ed.) CitationZell, Patrick, and Wolfgang Stinnesbeck. "Kimmeridgian (Late Jurassic) Cold-water Idoceratids (Ammonoidea) from Southern Coahuila, Northeastern Mexico, Associated with Boreal Bivalves and Belemnites." Revista Mexicana De Ciencias Geológicas, vol. 32, no. 1, 2015.