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Fossil Diodontidae.

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posted on 2017-07-26, 17:45 authored by Orangel Aguilera, Guilherme Oliveira Andrade Silva, Ricardo Tadeu Lopes, Alessandra Silveira Machado, Thaís Maria dos Santos, Gabriela Marques, Thayse Bertucci, Thayanne Aguiar, Jorge Carrillo-Briceño, Felix Rodriguez, Carlos Jaramillo

1–3. †Chilomycterus tyleri n. sp., lower jaw, 99.8 mm in width, late Miocene Gatun Formation, Las Lomas, San Judas Tadeo, Colón, Panama, holotype, NMB P1208 (1, occlusal; 2, anterior; 3, posterior views). 4–6. †Chilomycterus ferreirai (Santos and Travassos 1960) [29], upper jaw, 24 mm in width, early Miocene Pirabas Formation, Praia de Atalaia, Salinópolis, Brazil, MPEG 2084-V (4, occlusal; 5, posterior; 6, anterior views). 7–9. †C. ferreirai, lower jaw, 16.2 mm in width, early Miocene Pirabas Formation, Praia do Castelo, Ilha de Fortaleza, São João de Pirabas, Brazil, holotype, MN 2649-V (7, occlusal; 8, posterior; 9, anterior views). 10–11. †C. ferreirai, upper jaw, 25.0 mm in width, early Miocene Cantaure Formation, San José de Cocodite, Venezuela, UNEFM-PF-270 (10, anterior; 11, occlusal views). 12. †C. exspectatus n. sp., upper tooth plate battery, 20.2 mm in width, late Miocene Gatun Formation, San Judas Tadeo, Colón, Panama, holotype, MNB P1205 (occlusal view). 13. †C. exspectatus n. sp., lower tooth plate battery, 16.64 mm in width, late Miocene Gatun Formation, San Judas Tadeo, Colón, Panama, paratype, MNB P1206 (occlusal view). 14. Chilomycterus sp. tooth plate battery, 28.8 mm in width, middle Miocene Tuira Formation, Rio Icuanati, small tributary from village Boca de Marraganti (loc. PPP 1593), Darien, Panama, MNB P1207 (occlusal view). 15. Chilomycterus sp., tooth plate battery, 13.0 mm in width, Jimol Formation, late early Miocene, Guajira Peninsula, Colombia, MUN-STRI- 41506 (occlusal view). 16. †Diodon serratus n. sp., tooth plate battery, 18.0 mm in width, middle Miocene Socorro Formation, Quebrada Honda, Urumaco, Venezuela, holotype, AMU-CURS-760 (occlusal view). Scale bar 10 mm.

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