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(A-D) Median disarticulated fossil tooth of stingray Myliobatis sp. (LGP/C137). (A) Basal view; (B) Occlusal view; (C) Lingual View; (D) Labial view. (E-H) Plate containing three median articulated fossil teeth of Myliobatis sp. (LGP/C180). (E) Basal view; (F) Occlusal view; (G) Labial View; (H) Lingual view.

(A-D) Median disarticulated fossil tooth of stingray Myliobatis sp. (LGP/C137). (A) Basal view; (B) Occlusal view; (C) Lingual View; (D) Labial view. (E-H) Plate containing three median articulated fossil teeth of Myliobatis sp. (LGP/C180). (E) Basal view; (F) Occlusal view; (G) Labial View; (H) Lingual view.

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Fig. 1. Map showing the location of the study area in the Coastal Plain...
Fig. 2. (A) Picture of the Concheiros do Albard˜ ao; (B) a fossilized...
Fig. 3. (A-B) Current bite of M. goodei stingray (MO177); (A) Dorsal...
Fig. 4. (A-D) Median disarticulated fossil tooth of stingray Myliobatis...
+5 Fig. 5. (A-F) Plate containing two median fossil teeth and one...
Quaternary fossil diversity of Stingrays (Chondrichthyes: Myliobatiformes) from the eastern coast of South America, Brazil, Southwestern Atlantic
Article
  • May 2024
Sharks, rays, and chimeras have a limited fossil record compared to other taxa due to their predominantly cartilaginous skeletal structure. Fossilization tends to preserve anatomic structures such as teeth, scales, cephalic and caudal fins, and other fins. The Myliobatiformes order, derived from rays, is characterized by viviparity and distinctive...
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