Mid Cretaceous, Cenomano-Turonian
Family PTYCHODONTIDAE Jaekel, 1898

Ptychodus decurrens Agassiz, 1843

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Ptychodus Agassiz 1835
?
middle Cretaceous,
Turonian, France
W=10mm
Ptychodus decurrens
Agassiz, 1843
middle Cretaceous,
Turonian, France
W=10mm