| DescriptionAlajuela Formation - Vertebrate fossils.jpg |
English: Vertebrate fossils of the Alajuela Formation, Panama. Most of these fossils were collected from Interval 1, within a zone bracketed by the Sr-ratio age determination (Fig 3). A. UF-V 318900, Carcharocles megalodon, right upper anterior tooth, lingual view. B. UF-V 319140, Hemipristis serra, right upper tooth, lingual view. C. UF-V 319139, Sphyrna mokarran, tooth, lingual view. D. UF-V 318917, Carcharhinus sp., right upper tooth, lingual view. E. UF-V 318927, Negaprion brevirostris, lower tooth, lingual view. F. UF-V 319131, Myliobatidae, partial tooth, ventral view. G. UF-V 318943, Diodontidae, right and left fused dentaries, dorsal view. H. UF-V 318945, Crocodylia, tooth, anterior or posterior view. I. UF-V 318949, Crocodylia, partial osteoderm, dorsal view. J. UF-V 318954, Aves, distal left humerus, medial (top) and lateral
(bottom) views. K. UF-V 318953, Gomphotherium sp., tooth fragment. L. UF-V 403570, Gomphotherium sp., anterior portion of left dp2, occlusal (top) and buccal (bottom) views. M. UF-V 318955, Tayassuidae, right astragalus, anterior view. N. UF-V 403571, Carnivora, left I3, distal (left) and mesial (right) views. O. UF-V 321263, Dinohippus sp., right upper P2, buccal (top) and occlusa |