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115 results for “Ypresian”
Fig. 1 in A new large mammal from the Ypresian of Morocco: Evidence of surprising diversity of early proboscideans
Fig. 1. Daouitherium rebouli gen. et sp. nov. Holotype, CPSGM MA4, left dentary with m1–3, p2–4, and anterior alveoli in occlusal stereo−view.
FIG. 5. — A in Silicified angiosperm wood from the Dangu locality (Ypresian of the Gisors region, Eure, France) - final part: the problem of palaeoclimate reconstruction based on fossil wood
FIG. 5. — A, Dichrostachyoxylon cf. zirkelii (SY7), cross-section; B, Anogeissus sp. (W4), cross-section; C, Dichrostachyoxylon cf. zirkelii (SY7), tangential section; D, Anogeissus sp. (W4), tangential section, detail of a septate fibre (septum indicated by the arrow); E, Anogeissus sp. (W4), tangential section, general view. Scale bars: A, B, 500 µm; C, 100 µm; D, 50 µm; E, 200 µm.
FIG. 2. — A-E in Silicified angiosperm wood from the Dangu locality (Ypresian of the Gisors region, Eure, France) - final part: the problem of palaeoclimate reconstruction based on fossil wood
FIG. 2. — A-E, Grangeonixylon danguense (W1, W2); A, cross-section of the stem form (W2); B, cross-section of the root form (W1); C, stem form in tangential view (W2); D, stem form in tangential view, rays detail (W2); E, root form in tangential view (W1); F-H, cf. Liquidambaroxylon sp. (Wtourbe); F, cross-section (same part, vertically reversed, described in detail in Sakala et al. 1999: fig. 2a); G, tangential section; H, tangential section, detail of scalariform pitting. Scale bars: A, B, 500 µm; C, E, G, 200 µm; D, 150 µm; F, 100 µm; H, 50 µm.
FIG. 4 in Silicified angiosperm wood from the Dangu locality (Ypresian of the Gisors region, Eure, France) - final part: the problem of palaeoclimate reconstruction based on fossil wood
FIG. 4. — Anogeissus sp. (W4), cross-section. Abbreviations: F, fibres; PBT, parenchyma in tangential band; PT, terminal parenchyma; R, rays; V, vessels. Scale bar: 200 µm.
FIG. 3 in Silicified angiosperm wood from the Dangu locality (Ypresian of the Gisors region, Eure, France) - final part: the problem of palaeoclimate reconstruction based on fossil wood
FIG. 3. — Dichrostachyoxylon cf. zirkelii (SY7), cross-section. Abbreviations: F, fibres; PCM, circummedullar parenchym; PV, vasicentric parenchyma; R, rays; V, vessels. Scale bar: 200 µm.
FIG. 1 in Silicified angiosperm wood from the Dangu locality (Ypresian of the Gisors region, Eure, France) - final part: the problem of palaeoclimate reconstruction based on fossil wood
FIG. 1. — Location and overview of the Dangu locality; A, gymnosperm and angiosperm wood; B, palm wood; C, silicified peat, after Koeniguer (1981), modified.
FIG. 6 in Silicified angiosperm wood from the Dangu locality (Ypresian of the Gisors region, Eure, France) - final part: the problem of palaeoclimate reconstruction based on fossil wood
FIG. 6. — Reconstitution of the Dangu locality in the time of the sedimentation of the fossil peat (lower Ypresian, sparnacian facies); A, lagoon environment; B, fluvial environment; C, lagoon-fluvial environment; D, sandy-clay reliefs; E, environment of the peat deposition; F, Taxodioxylon; G, Palmoxylon; H, Dichrostachyoxylon; I, Liquidambaroxylon; J, Grangeonixylon; K, Anogeissus.
Data from: New fossil Hyaenodonta (Mammalia, Placentalia) from the Ypresian and Lutetian of France and the evolution of the Proviverrinae in southern Europe
The proviverrines from the Ypresian (MP7–MP10) and Lutetian (MP11–MP14) are represented mainly by species recorded in the northern and central parts of Europe (Paris Basin, Belgian Basin, Germany, Switzerland). Here, we describe fossils from southern France: Saint-Papoul (MP8 + 9; Aude) and Aigues-Vives 2 (?MP13; Aude). One dentary with secant molars from Saint-Papoul represents a new genus and species, Preregidens langebadrae. This taxon is possibly present in Avenay (France), the MP8 + 9 reference locality. One of the three dentaries discovered in Aigues-Vives 2 belongs to the hypercarnivorous Oxyaenoides schlosseri, previously represented by only two isolated lower molars. This dentary appears to be the most derived of the proviverrines. This species is possibly present in Saint-Martin-de-Londres (France), a locality that is considered to be close to the MP13 reference level. The two other dentaries from Aigues-Vives 2 support the presence of Eurotherium theriodis and provide the first possible evidence of sexual dimorphism in a proviverrine species. A phylogenetic analysis of the proviverrines is performed to resolve the phylogenetic position of the three taxa. This identifies a close relationship between the new genus (Preregidens) and Oxyaenoides. The new fossils allow the age of Saint-Papoul and Aigues-Vives 2 to be refined: the first locality is considered to be close in age to Avenay (Ypresian; France), while the second one seems to be close to Egerkingen γ (Lutetian; Switzerland), which is considered to be possibly close in age to the MP13 reference level. Finally, the presence of O. schlosseri and E. theriodis in the southern part of France is compatible with the hypothesis that the mammals involved in the first intra-Eocene turnover migrated northwards.
FIGURE 9 in New species of Neritidae (Neritimorpha) from the Ypresian and Bartonian of the Paris and Basse-Loire Basins, France
FIGURE 9. Map of France showing the approximate positions of the type localities of the new species herein described
FIGURES 5–8. 5 in New species of Neritidae (Neritimorpha) from the Ypresian and Bartonian of the Paris and Basse-Loire Basins, France
FIGURES 5–8. 5. Neritodryas guillioui sp. nov., paratype, a. apertural, b. abapertural, c. apical views. Height 14.5 mm, width 15 mm. Ypresian, Pourcy, Marne, France. MNHN A31491 (Faullummel coll.). 6. Neritodryas globosa (J. de C. Sowerby, 1823), neotype, a. apertural, b. abapertural, c. apical views. Height 18.2 mm, width 13.8 mm. Bartonian, Highcliff, Hampshire, U.K. NHM GG 22558 (A. G. Davis coll.). 7. Neritodryas dutemplei (Deshayes, 1864), a. apertural, b. abapertural, c. apical views. Height 9 mm, width 9.1 mm. Ypresian, Pourcy, Marne, France. MNHN A31493 (Faullummel coll.). 8. Cuisenerita tuberosa sp. nov., holotype, a. apertural, b. abapertural, c. & d. side views. Length 14 mm, width 12.5 mm., Ypresian, Trosly-Breuil, Oise, France. NHM PI TG 26450 (S. Tracey coll.).
FIGURES 1–4. 1 in New species of Neritidae (Neritimorpha) from the Ypresian and Bartonian of the Paris and Basse-Loire Basins, France
FIGURES 1–4. 1. Tomostoma angusta sp. nov., holotype, a. apertural, b. abapertural, c-d. side views. Length 5.2 mm, width 2.8 mm. Bartonian, Le Quoniam, Haravilliers, Val d'Oise, France. MNHN A31487 (J-M Pacaud leg.). 2. Nerita gouetensis sp. nov., holotype, a. apertural, b. abapertural, c. apical views. Height 4 mm, width 4 mm. Bartonian, Bois- Gouët, Saffré, Loire-Atlantique, France. MNHN A31489 (J-M Pacaud leg.). 3. Clithon barbei sp. nov., holotype, a. apertural, b. abapertural, c. apical views. Height 3.2 mm, width 3.2 mm. Ypresian, Pourcy, Marne, France. NHM PI TG 26448 (M. F. Symonds coll.). 4. Neritodryas guillioui sp. nov., holotype, a. apertural, b. abapertural, c. apical views. Height 15 mm, width 16 mm. Ypresian, Pourcy, Marne, France. MNHN A31490 (Faullummel coll.).
Data from: New fossil Hyaenodonta (Mammalia, Placentalia) from the Ypresian and Lutetian of France and the evolution of the Proviverrinae in southern Europe
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Fig. 58. Egertonia isodonta Cocchi, 1864. A–C. MSC 33348 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths
Fig. 58. Egertonia isodonta Cocchi, 1864. A–C. MSC 33348, tooth plate, lower Tallahatta Formation. A. Oral view. B. Profile view. C. Aboral view. D–F. MSC 37651, stack of teeth, Tallahatta/Lisbon formation contact zone, courtesy of Bruce Relihan. D. Oral view. E. Lateral view. F. Aboral view. G–I. MSC 37913.1, tooth, basal Lisbon Formation. G. Oral view. H. Lateral view. I. Aboral view. J–L. MSC 37555.1, stack of teeth, basal Gosport Sand. J. Oral view. K. Lateral view. L. Aboral view. M–O. MSC 35780.1, tooth, lower Tallahatta Formation. M. Oral view. N. Lateral view. O. Aboral view. Scale bar for A–C = 1 cm. Scale bars for D–O = 2 mm.
Fig. 55. Batomorphii indet., teeth. A–E. MSC 37675.2, basal Lisbon Formation. A. Labial view. B. Lingual view. C. Profile view. D. Oral view. E. Basal view. F–J. MSC 37675.1, basal Lisbon Formation. F. Labial view. G. Lingual view. H. Profile view. I. Oral view. J. Basal view. K–O in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths
Fig. 55. Batomorphii indet., teeth. A–E. MSC 37675.2, basal Lisbon Formation. A. Labial view. B. Lingual view. C. Profile view. D. Oral view. E. Basal view. F–J. MSC 37675.1, basal Lisbon Formation. F. Labial view. G. Lingual view. H. Profile view. I. Oral view. J. Basal view. K–O. SC2012.42.154, basal Lisbon Formation. K. Labial view. L. Lingual view. M. Profile view. N. Oral view. O. Basal view. Labial at top in oral and basal views. Labial at top in oral and basal views. Scale bars = 1 mm.
Fig. 57 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths
Fig. 57. Pycnodus sp., teeth and Lepisosteidae elements. A–L. Pycnodus sp. A–C. MSC 35773.1, tooth, lower Tallahatta Formation. A. Oral view. B. Profile view. C. Aboral view. D–F. MSC 35773.2, tooth, lower Tallahatta Formation. D. Oral view. E. Profile view. F. Aboral view. G–I. MSC 37185, tooth, Tallahatta/Lisbon formation contact zone, courtesy of T. Prescott Atkinson. G. Oral view. H. Profile view. I. Aboral view. J–L. MSC 37912.1, tooth, basal Lisbon Formation. J. Oral view. K. Profile view. L. Aboral view. — M–BB. Lepisosteidae Cuvier, 1825. M–N. ALMNH PV1989.4.70, scale, Gosport Sand. M. External view. N. Internal view. O–P. ALMNH PV1989.4.37.2.1, scale, Gosport Sand. O. External view. P. Internal view. Q–R. ALMNH PV1989.4.37.2.2, scale, Gosport Sand. Q. External view. R. Internal view. S–T. MSC 37306, scale, basal Lisbon Formation. S. External view. T. Internal view. U–V. MSC 37473.1, tooth, basal Gosport Sand. U. Lateral view. V. Basal view. W–Y. ALMNH PV1989.2.4, vertebra, Gosport Sand. W. Anterior view. X. Left lateral view. Y. Posterior view. Z– BB. ALMNH 1898.4.190, vertebra, Gosport Sand. Z. Anterior view. AA. Left lateral view. BB. Posterior view. Scale bars for A–L = 2 mm. Scale bars: M–T, W–BB = 1 cm; U = 5 mm.
Fig. 53 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths
Fig. 53. Burnhamia daviesi (Woodward, 1889), teeth. A–E. MSC 38878.2, median tooth, lower Tallahatta Formation. A. Oral view. B. Basal view. C. Labial view. D. Lingual view. E. Profile view. F–J. MSC 38878.1, median tooth, lower Tallahatta Formation. F. Oral view. G. Basal view. H. Labial view. I. Lingual view. J. Profile view. K–O. MSC 38826, median tooth, basal Lisbon Formation. K. Oral view. L. Basal view. M. Labial view. N. Lingual view. O. Profile view. P–T. MSC 38878.3, lateral tooth, lower Tallahatta Formation. P. Oral view. Q. Basal view. R. Labial view. S. Lingual view. T. Profile view. U–Y. MSC 38823.4, lateral tooth, Gosport Sand. U. Oral view. V. Basal view. W. Labial view. X. Lingual view. Y. Profile view. Z–DD. MSC 38823.3, median tooth, Gosport Sand. Z. Oral view. AA. Basal view. BB. Labial view. CC. Lingual view. DD. Profile view. EE–II. MSC 38823.2, lateral tooth, Gosport Sand. EE. Oral view. FF. Basal view. GG. Labial view. HH. Lingual view. II. Profile view. JJ–NN. MSC 38823.1, lateral tooth, Gosport Sand. JJ. Oral view. KK. Basal view. LL. Labial view. MM. Lingual view. NN. Profile view. OO–SS. MSC 38878.4, lateral tooth, lower Tallahatta Formation. OO. Oral view. PP. Basal view. QQ. Labial view. RR. Lingual view. SS. Profile view. TT– XX. MSC 38821, lateral tooth, basal Gosport Sand. TT. Oral view. UU. Basal view. VV. Labial view. WW. Lingual view. XX. Profile view. YY–AC. MSC 35789, lateral tooth, lower Tallahatta Formation. YY. Oral view. ZZ. Basal view. AB. Labial view. AC. Lingual view. Labial at top in oral and basal views. Labial at top in oral and basal views. Scale bars = 2 mm.
Fig. 52 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths
Fig. 52 (opposite page). Leidybatis jugosus (Leidy, 1876), teeth. A–E. MSC 35005, median tooth, Tallahatta/Lisbon formation contact zone. A. Profile view. B. Labial view. C. Lingual view. D. Oral view. E. Basal view. F–J. MSC 37080, lateral tooth, Tallahatta/Lisbon formation contact zone, courtesy of Bruce Relihan. F. Labial view. G. Profile view. H. Lingual view. I. Oral view. J. Basal view. K–O. MSC 37086, median tooth, Tallahatta/Lisbon formation contact zone, courtesy of James Lowery. K. Profile view. L. Labial view. M. Lingual view. N. Oral view. O. Basal view. P–S. MSC 37291, lateral tooth, basal Lisbon Formation. P. Profile view. Q. Lingual view. R. Oral view. S. Basal view. T–X. MSC 37082, median tooth, Tallahatta/Lisbon formation contact zone, courtesy of Bruce Relihan. T. Profile view. U. Labial view. V. Lingual view. W. Oral view. X. Basal view. Y–CC. MSC 37081, lateral tooth, Tallahatta/Lisbon formation contact zone, courtesy of Bruce Relihan. Y. Lingual view. Z. Profile view. AA. Labial view. BB. Oral view. CC. Basal view. DD–HH. SC2012.47.198, median tooth, basal Lisbon Formation. DD. Profile view. EE. Labial view. FF. Lingual view. GG. Oral view. HH. Basal view. II– MM. MSC 37135, lateral tooth, Tallahatta/Lisbon formation contact zone, courtesy of James Lowery. II. Labial view. JJ. Profile view. KK. Lingual view. LL. Oral view. MM. Basal view. NN–RR. MSC 37083, median tooth, Tallahatta/Lisbon formation contact zone, courtesy of Bruce Relihan. NN. Profile view. OO. Labial view. PP. Lingual view. QQ. Oral view. RR. Basal view. SS–TT. SC2012.47.202, lateral tooth, basal Lisbon Formation. SS. Oral view. TT. Basal view. Labial at top in oral and basal views. Scale bars: A–E, K–O, T–X, DD–HH, NN–RR = 1 cm; F–J, P–S, Y–CC, II–MM, SS–TT = 5 mm.
Fig. 60. Albula eppsi White, 1931 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths
Fig. 60. Albula eppsi White, 1931 and Albula oweni (Owen, 1845), teeth. A–I. Albula eppsi A–C. MSC 38445.1, lower Tallahatta Formation. A. Oral view. B. Profile view. C. Aboral view. D–F. MSC 37909.1, basal Lisbon Formation. D. Oral view. E. Profile view. F. Aboral view. G–I. MSC 37541, basal Gosport Sand. G. Oral view. H. Profile view. I. Aboral view. — J–R. Albula oweni. J–L. MSC 38445.1, lower Tallahatta Formation. J. Oral view. K. Profile view. L. Aboral view. M–O. MSC 37891, "upper" Lisbon Formation. M. Oral view. N. Profile view. O. Aboral view. P–R. MSC 37699, basal Gosport Sand. P. Oral view. Q. Profile view. R. Aboral view. Scale bars = 2 mm.
Fig. 51 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths
Fig. 51. Meridiania cf. M. convexa Case 1994, teeth. A–D. MSC 38877, median tooth, lower Tallahatta Formation. A. Oral view. B. Labial view. C. Profile view. D. Basal view. E–H. MSC 38822.2, lateral tooth, Gosport Sand. E. Oral view. F. Labial view. G. Lingual view. H. Basal view. I–L. MSC 38822.1, lateral tooth, Gosport Sand. I. Oral view. J. Labial view. K. Lingual view. L. Basal view. M–O. MSC 38820, lateral tooth, basal Gosport Sand. M. Oral view. N. Lingual view. O. Basal view. Labial at top in oral and basal views. Scale bars = 2 mm.
Fig. 50 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths
Fig. 50 (opposite page). Rhinoptera sp., teeth. A–E. SC2012.47.233, median tooth, basal Lisbon Formation. A. Oral view. B. Basal view. C. Labial view. D. Lingual view. E. Profile view. F–J. MSC 37389.2, median tooth, lower Tallahatta Formation. F. Oral view. G. Basal view. H. Labial view. I. Lingual view. J. Profile view. K–O. MSC 37389.1, median tooth, lower Tallahatta Formation. K. Oral view. L. Basal view. M. Labial view. N. Lingual view. O. Profile view. P–T. SC2012.47.235, lateral tooth, basal Lisbon Formation. P. Oral view. Q. Basal view. R. Labial view. S. Lingual view. T. Profile view. U–Y. MSC 2388.1, median tooth, Gosport Sand. U. Oral view. V. Basal view. W. Labial view. X. Lingual view. Y. Profile view. Z–DD. MSC 2388.2, median tooth, Gosport Sand. Z. Oral view. AA. Basal view. BB. Labial view. CC. Lingual view. DD. Profile view. EE–II. MSC 2388.3, median tooth, Gosport Sand. EE. Oral view. FF. Basal view. GG. Labial view. HH. Lingual view. II. Profile view. JJ–NN. MSC 38873.2, lateral tooth, Gosport Sand. JJ. Oral view. KK. Basal view. LL. Labial view. MM. Lingual view. NN. Profile view. OO–SS. MSC 38403, lateral tooth, basal Gosport Sand. OO. Oral view. PP. Basal view. QQ. Labial view. RR. Lingual view. SS. Profile view. TT–XX. MSC 37595.1, lateral tooth, basal Gosport Sand. TT. Oral view. UU. Basal view. VV. Labial view. WW. Lingual view. XX. Profile view. YY–AD. MSC 38794.5, lateral tooth, basal Gosport Sand. YY. Oral view. ZZ. Basal view. AB. Labial view. AC. Lingual view. AD. Profile view. AE–AI. MSC 38794.1, lateral tooth, basal Gosport Sand. AE. Oral view. AF. Basal view. AG. Labial view. AH. Lingual view. AI. Profile view. Labial at top in oral and profile views. Scale bars: A–E, U–SS, YY–AD = 1 cm; F–O, TT–XX, AE– AI = 5 mm; P–T = 2 mm.
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