SEM
Samples: fossils from Kakegawa Group, Dainichi
Formation, Kakegawa, Shizuoka prefecture
Order Myliobatiformes Compagno, 1973
Superfamily Dasyatoidea Whitley, 1940
Family Dasyatidae Jordan, 1888
Genus Dasyatis Rafinesque 1810
Order Rajiformes Berg, 1940
Suborder Rhinobatoidei Fowler, 1941
Family Rhynchobatidae Garman, 1913
Genus Rhynchobatus Müller & Henle, 1837
indet.
Order Carcharhiniformes Compagno, 1973
Family Triakidae Gray 1851
Genus.Mustelus Linck, 1730......
Heterodontus sp.
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