High-quality casts of the missing holotype of Petalodus ohioensis Safford 1853 (Chondrichthyes, Petalodontidae) at the Field Museum of Natural History and their bearing on the validity and priority of the species. GIW [Internet]. 2020 Jul. 28 [cited 2026 Jun. 3];7:197-203. Available from: https://giw.utahgeology.org/index.php/GIW/article/view/81