@article{bri_2015.1647, title = {Senior synonyms of Ptychodus latissimus Agassiz, 1835 and Ptychodus mammillaris Agassiz, 1835 (Elasmobranchii) based on teeth from the Bohemian Cretaceous Basin (the Czech Republic)}, author = {Brignon, Arnaud }, year = {2015}, journal = {Acta Musei Nationalis Pragae, Series B, Historia Naturalis (Národni muzeum) Praha}, volume = {71}, number = {1–2}, pages = {5–14}, url = {http://fi.nm.cz/en/collection/1408-2/} }