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| Balanus species, Sessilia, Thecostraca (77 mm), colno 42452 Bonares, Andalucia, Spain Arenas de Bonares Formation, Pliocene, Tertiary |
Balanus species, Sessilia, Thecostraca (43 mm), colno 44540 Asti, Piemonte, Italy Astian, Pliocene, Tertiary |
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| Balanus species, Sessilia, Thecostraca (102 mm), colno 47913 Apac Quarry, Sarasota, Florida, USA Tamiami Formation, Pliocene, Tertiary |
Balanus species, Sessilia, Thecostraca (47 mm), colno 48201 Matoaka Cottages, Maryland, USA St. Leonard Member, Choptank Formation, Miocene, Tertiary |
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