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†Ptychodus concentricus Agassiz 1839 (mackerel shark)

Chondrichthyes - Lamniformes - Ptychodontidae

Full reference: L. Agassiz. 1839. Recherches Sur Les Poissons Fossiles. Tome III (10me, 12me livraison) 141-156

Belongs to Ptychodus according to J. Herman 1977

Sister taxa: Buffonites, Ptychodus altior, Ptychodus anonymus, Ptychodus articulatus, Ptychodus atcoensis, Ptychodus belluccii, Ptychodus decurrens, Ptychodus elevatus, Ptychodus latissimus, Ptychodus mahakalensis, Ptychodus mammillaris, Ptychodus marginalis, Ptychodus martini, Ptychodus mediterraneus, Ptychodus mortoni, Ptychodus occidentalis, Ptychodus papillosus, Ptychodus parvulus, Ptychodus paucisulcatus, Ptychodus pauli, Ptychodus polygyrus, Ptychodus rhombodus, Ptychodus rugosus, Ptychodus schlotheimii, Ptychodus sulcatus, Ptychodus whipplei

Ecology: nektonic carnivore

Distribution: found only at Railway station quarry, Bettrechies (Marnes à Actinocamax plenus) (Cretaceous of France)

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Specimen images are retrieved through the ePANDDA API.


Click image to enlarge. Click to access iDigBio record.