Order LAMNIFORMES Berg, 1958
Family CETORHINIDAE Gill, 1862
Genus KEASIUS Welton, 2013

Keasius parvus (Leriche, 1908)

Link to Cetorhinidae (Miocene)
Link to Cetorhinidae (Basal Pliocene)
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Weinheim, Mainzer basin, Germany,
Oligocene, Rupelian
W=1,8mm
Weinheim, Mainzer basin, Germany
Oligocene, Rupelian
H=14mm (left) & 9mm (right)