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| Unidentified Cetartiodactyla, Tetrapoda, Chordata (45 mm), colno 60440 Lee Creek Mine, North Carolina, USA Yorktown Formation, Pliocene, Tertiary |
Unidentified Cetartiodactyla, Tetrapoda, Chordata (70 mm), colno 60517 Ierseke, Zeeland. Netherlands Not in situ, Pliocene, Tertiary |
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| Delphinus species, Cetartiodactyla, Tetrapoda, Chordata (57 mm), colno 36275 De Krim, Gelderland, Netherlands Hemmoorian, Miocene, Tertiary |
Delphinus species, Cetartiodactyla, Tetrapoda, Chordata (49 mm), colno 48132 Calvert Cliffs, Maryland, USA Formation unknown, Miocene. Tertary |
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