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532 results for “Middle Eocene”
FIGURE 11 in Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine
FIGURE 11. Elasmobranchian vertebrae (Elasmobranchii indet.) from the middle Eocene deposits of Vyshhorod: A, D – NMNHU-G 391/129; B, E – NMNHU-G 391/130; C, F – NMNHU-G 391/131. Anterior view in AC, posterior view in D-F.
FIGURE 12 in Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine
FIGURE 12. Palaeogeographic map of the Peri-Tethyan area during the middle Eocene (after Bosboom et al., 2017, modified). The studied region is indicated with an asterisk.
FIGURE 10 in Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine
FIGURE 10. Myliobatiform remains from the middle Eocene deposits of Vyshhorod: A-F – Myliobatidae gen. et sp. indet., teeth NMNHU-G 391/3/1-6; G-I – Myliobatiformes indet., caudal spine NMNHU-G 391/2, represented by three fragments.
FIGURE 8 in Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine
FIGURE 8. Lamniform vertebrae (Lamniformes indet.) from the middle Eocene deposits of Vyshhorod: A, F – NMNHUG 391/118; B, G – NMNHU-G 391/119; C, H – NMNHU-G 391/120; D, I – NMNHU-G 391/121; E, J – NMNHU-G 391/ 122; K – NMNHU-G 391/136; L-N – NMNHU-G 391/137. Anterior view in A-E and K-L, posterior view in M, lateral view in F-J and N.
FIGURE 7 in Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine
FIGURE 7. Vertebrae of Otodus (Carcharocles) sp. from the middle Eocene deposits of Zoloti Vorota (Kyiv): A-B – NMNHU-P PI 553; C-D, K – NMNHU-P PI 554; E-F – NMNHU-P PI 2314; G-H, M – NMNHU-P PI 2315; I-J, L – NMNHU-P PI 2316. Anterior view in A, C, E, G, and I, lateral view in B, D, F, H, and J. X-ray images are those in K-M (not to scale).
FIGURE 6 in Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine
FIGURE 6. Lamniform shark teeth from the middle Eocene deposits of Vyshhorod: A-H – Macrorhizodus praecursor (Leriche, 1905), anterior teeth NMNHU-G 391/101 (A-B), anterolateral teeth NMNHU-G 391/103 (C-D), 391/69 (E-F), anterior tooth NMNHU-G 391/68 (G-H); I-P – Otodus (Carcharocles) sp., upper lateral tooth NMNHU-G 391/32 (I-J), lower anterolateral teeth, NMNHU-G 391/35 (K-M), lower anterolateral tooth NMNHU-G 391/26 (N-P). Labial view in A, C, E, G, I, K, and N, lingual view in B, D, F, H, J, M, and O, mesial view in L and P.
FIGURE 5 in Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine
FIGURE 5. Lamniform shark teeth from the middle Eocene deposits of Vyshhorod: A-F – Jaekelotodus trigonalis (Jaekel, 1895), lateral teeth NMNHU-G 391/62 (A-B), NMNHU-G 391/139/1 (C-D), NMNHU-G 391/139/2 (E-F); G-H – Mennerotodus cf. M. parmlei Cicimurri, Ebersole and Martin, 2020, lower anterior tooth NMNHU-G 391/71; I-L – Odontaspis winkleri Leriche, 1905, anterolateral tooth NMNHU-G 391/74 (I-J); lateral tooth NMNHU-G 391/79 (K-L); M-S – Isurolamna affinis (Casier, 1946), anterolateral tooth NMNHU-G 391/97 (M-N), anterior tooth NMNHU-G 391/94 (O-Q), lateral tooth NMNHU-G 391/95 (R-S). Labial view in A, C, E, G, I, K, M, O, and S, lingual view in B, D, F, H, J, L, N, P, and R, mesial view in Q.
FIGURE 1 in Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine
FIGURE 1. Studied localities (indicated by asterisks) on the map of Europe (A), with a portrait of Opanas Semenovych Rogovich, and on the schematic map of Kyiv and its vicinities (B).
FIGURE 3 in Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine
FIGURE 3. Chimaera (Edaphodon bucklandi) remains from the middle Eocene deposits of Vyshhorod: A-C – palatine fragments NMNHU-G 391/138/1 (A), NMNHU-G 391/114 (B), and NMNHU-G 391/138/2 (C); D – left mandibular fragment NMNHU-G 391/115.
FIGURE 4 in Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine
FIGURE 4. Hexanchiform, heterodontiform and lamniform shark teeth from the middle Eocene deposits of Vyshhorod: A-C – Hexanchus agassizi Cappetta, 1976, upper anterolateral tooth NMNHU-G 391/21/2 (A), lower lateral teeth NMNHU-G 391/21/3 (B) and NMNHU-G 391/21/4 (C); D-E – Notorynchus kempi Ward, 1979, upper anterolateral tooth NMNHU-G 391/20 (D), lower lateral tooth NMNHU-G 391/21/1 (E); F – Heterodontus sp., lateral tooth NMNHUG 391/6; G-M – Striatolamia macrota (Agassiz, 1843), upper lateral teeth NMNHU-G 391/105 (G-H), NMNHU-G 391/ 54 (I-J), NMNHU-G 391/55 (K-L), upper posterior tooth NMNHU-G 391/92 (M); N-O – Brachycarcharias lerichei (Casier, 1946), lower lateral tooth NMNHU-G 391/52. Lingual view in A, H, J-K, M, and O, labial view in B-G, I, L, and N.
FIGURE 2 in Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper-Donets Basin, northern Ukraine
FIGURE 2. Stratigraphy of the Kyiv Formation section in the Kyiv area. The regional stratigraphic scheme of the Paleogene of northern Ukraine is presented after Zosimovich and Shevchenko (2014, 2015); foraminiferal biostratigraphy of the section follows Ryabokon (2002); Musatov and Ryabokon (2017); calcareous nannoplankton biostratigraphy is presented after Savytska (1996), Solyanik (2009), and Musatov and Ryabokon (2017).
FIGURE 1. 1.1 in Geochronology of the middle Eocene Purple Bench locality (Devil's Graveyard Formation), Trans-Pecos Texas, USA
FIGURE 1. 1.1 Map of the Tornillo Basin (modified from Atchley et al., 2004 after Lehman, 1986). Star indicates location of the Devil's Graveyard Formation exposures examined in this study. 1.2. Stratigraphy of the Tornillo Basin and the related North American Land Mammal Ages. A.C.B. = Alamo Creek Basalt (Modified from Lehman, 1991).
FIGURE 2 in Geochronology of the middle Eocene Purple Bench locality (Devil's Graveyard Formation), Trans-Pecos Texas, USA
FIGURE 2. Generalized stratigraphic column of the lower and middle members of the Devil's Graveyard Formation. Symbols denote detrital zircon sample locations and known fossil localities. X-axis represents erosional profile. Colors represent visual expression of outcrop correlating to paleosol type (Emery-Wetherell et al., 2016). Note that the detrital zircon U-Pb sample identifications listed at the far right do not stratigraphically coincide with the associated fossil localities, which are identified by the bone symbols.
Fig. 2 in First Frenguelliidae (Insecta: Odonata) from the middle Eocene of Río Pichileuḟ, Patagonia, Argentina.
Fig. 2.- Composite camera lucida drawing of Treintamilun vuelvenlucha gen. et sp. nov., holotype MAPBAR 4139 from Río Pichileuḟ (Río Negro, Argentina); Lutetian, middle Eocene. Scale bar = 2 mm.
Fig. 1 in First Frenguelliidae (Insecta: Odonata) from the middle Eocene of Río Pichileuḟ, Patagonia, Argentina.
Fig. 1.- Photographs of Treintamilun vuelvenlucha gen. et sp. nov., holotype MAPBAR 4139 from Río Pichileuḟ (Río Negro, Argentina); Lutetian, middle Eocene. a.- Part. b.- Counterpart. Scale bar = 3 mm.
Fig. 3 in First Frenguelliidae (Insecta: Odonata) from the middle Eocene of Río Pichileuḟ, Patagonia, Argentina.
Fig. 3.- Photographs of details of Treintamilun vuelvenlucha gen. et sp. nov., holotype MAPBAR 4139 from Río Pichileuḟ (Río Negro, Argentina); Lutetian, middle Eocene. a.- Discoidal cell, scale bar = 0.5 mm. b.- Basal part, scale bar = 1 mm. c.- Nodus, scale bar = 0.25 mm. d.- Pterostigma, scale bar = 0.5 mm.
Fig. 2 in New specimens of zygodactylid birds from the middle Eocene of Messel, with description of a new species of Primozygodactylus
Fig. 2. Foot of zygodactylid bird Primozygodactylus eunjooae sp. nov. (A) from the middle Eocene of Messel in Germany in comparison to the feet Primozygodactylus danielsi Mayr, 1998 (B) from Messel and Zygodactylus luberonensis (C) from the early Oligocene of the Lubéron in France. A. Left (A1) and right (A2) foot of P. eunjooae sp. nov., holotype (SMF−ME 1074). B. Left (B1) and right (B2) foot of P. danielsi Mayr, 1998, holotype (SMF−ME 2522a+b). C. Left (C1) and right (C2) foot of Zygodactylus luberonensis Mayr, 2008 (SMF Av 519). Note the proportionally shorter proximal phalanges of the second and third toes of P. eunjooae. Specimens in A and B coated with ammonium chloride.
Fig. 1 in New specimens of zygodactylid birds from the middle Eocene of Messel, with description of a new species of Primozygodactylus
Fig. 1. Zygodactylid bird Primozygodactylus eunjooae sp. nov., holotype (SMF−ME 1074) from the middle Eocene of Messel in Germany. A. Specimen with remains of feathering. B. Specimen coated with ammonium chloride.
FIGURE 14. A-G in Diversity and renewal of tropical elasmobranchs around the Middle Eocene Climatic Optimum (MECO) in North Africa: New data from the lagoonal deposits of Djebel el Kébar, Central Tunisia
FIGURE 14. A-G. Amamriabatis heni nov gen. nov. sp. A. anterior tooth KEB 1-218, A1. Occlusal view, A2. Basal view, A3. Lingual view, B. antero-lateral tooth KEB 1-219 (Holotype), B1. Occlusal view, B2. Lingual view, B3. Basal view, C. juvenile tooth KEB 1-220, occlusal view, D. antero-lateral tooth KEB 1-221, D1. Occlusal view, D2. Basal view, D3. Labial view, E. lateral tooth KEB 1-222, E1. Occlusal view, E2. Lingual view, E3. Basal view, F. antero-lateral tooth KEB 1-223, F1. Occlusal view, F2. Basal view, F3. Labial view, G. lateral tooth KEB 1-224, G1. Occlusal view, G2. Basal view, G3. Lingual view; H. Archaeomanta sp. KEB 1-225, H1. Lateral view, H2. Labial view.
FIGURE 12. A-C in Diversity and renewal of tropical elasmobranchs around the Middle Eocene Climatic Optimum (MECO) in North Africa: New data from the lagoonal deposits of Djebel el Kébar, Central Tunisia
FIGURE 12. A-C. Mecotrygon asperodentulus nov. gen nov. sp. A. anterior tooth KEB 1-188, A1. occlusal view, A2. Profile, A3. Basal view; B. lateral tooth KEB 1-189, B1. occlusal view, B2. labial view, B3. Profile; C. lateral tooth KEB 1-190, HOLOTYPE, C1. Occlusal view, C2. Lingual view, C3. Basal view, C4. Profile; D-M. Himantura souarfortuna nov. sp. D.?posterior tooth KEB 1-191, D1. Occlusal view, D2. Profile, D3. Basal view; E. antero-lateral tooth KEB 1- 192, occlusal view; F. anterior tooth KEB 1-193, F1. Occlusal view, F2. Labial view; G. antero-lateral tooth KEB 1-194, G1. Occlusal view, G2. Profile; H. anterior tooth KEB 1-195, occlusal view; I. lateral tooth KEB 1-196, occlusal view; J. A. anterior tooth KEB 1-197, occlusal view; K. lateral tooth KEB 1-198, K1. Occlusal view, K2. Basal view; L. A. anterior tooth KEB 1-199, occlusal view; M. lateral tooth KEB 1-200, occlusal view. N-O. Dasyatoid indet. N. antero-lateral tooth KEB 1-201, N1. Occlusal view, N2. Basal view; O. A. antero-lateral tooth KEB 1-202, occlusal view; P-Q. Arechia sp. P. lateral tooth KEB 1-203, occlusal view; Q. A. anterior tooth KEB 1-204, Q1. Occlusal view, Q2. Lingual view.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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