Large 7/8 Ptychodus Mortoni Fossil Cretaceous Crusher Shark Tooth
Ptychodus mortoni
Rare Protocallianassa mortoni Crab Claw - Cretaceous
What (giant) sharks actually existed in the Age of Dinosaurs? - Quora
Rare Protocallianassa mortoni Crab Claw - Cretaceous
A revision of the Upper Cretaceous shark Ptychodus mediterraneus Canavari, 1916 from northeastern Italy, with a reassessment of P. latissimus and P. polygyrus Agassiz, 1835 (Chondrichthyes; Elasmobranchii) - ScienceDirect
Ptychodus Crusher Shark Tooth #7
Ptychodus - Wikipedia
A revision of the Upper Cretaceous shark Ptychodus mediterraneus Canavari, 1916 from northeastern Italy, with a reassessment of P. latissimus and P. polygyrus Agassiz, 1835 (Chondrichthyes; Elasmobranchii) - ScienceDirect
Large 7/8 Ptychodus Mortoni Fossil Cretaceous Crusher Shark Tooth
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PDF) Scanning electron microscope examination of the dental enameloid of the Cretaceous durophagous shark Ptychodus supports neoselachian classification
Rare Protocallianassa mortoni Crab Claw - Cretaceous
Ptychodus Crusher Shark Tooth #1
7 Fossil Crusher Shark (Ptychodus) Tooth Plate - Kansas (#211741) For Sale
KGS--Volume VI: Paleontology--Myliobatidae
