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Fig. 9 in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 9. Distribution of the Eocene heterosteginid populations (mean values at the 95.44% confidence level) on the S–X (density of chamberlets in chamber 14 versus number of undivided post−embryonic chambers) bivariate plot (both scales are logarithmic).

Fig. 8 in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 8. Distribution of heterosteginid specimens from sample Keçili 11 on the P–X (proloculus diameter versus number of undivided post−embryonic chambers) bivariate plot (X is on logarithmic scale). Solid circles, Heterostegina armenica; open circles, H. reticulata.

Fig. 6 in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 6. The evolution of Heterostegina reticulata in the Mossano section (drawn after Papazzoni and Sirotti 1993) as reflected in the mean values (±2 s.e.) of three different parameters.

Fig. 7 in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 7. Distribution of heterosteginid specimens from sample Possagno 1 on the P–S (proloculus diameter versus density of chamberlets in chamber 14) bivariate plot. Solid circles, Heterostegina reticulata; open circles, H. gracilis.

Fig. 4 in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 4. The type locality of Heterostegina reticulata near the chalet Oberbergli (Switzerland). The uppermost Hohgant Sandstone includes here the transitional bed called Discocyclina Limestone. Photo: R. Stockar in 2005.

Fig. 14. Latest Bartonian and early Priabonian Heterostegina from different Western Tethyan localities. A–F in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 14. Latest Bartonian and early Priabonian Heterostegina from different Western Tethyan localities. A–F. Heterostegina reticulata reticulata Rütimeyer, 1850, latest Bartonian, SBZ 18 C. A–E. Mossano 3 (N Italy), equatorial sections, MÁFI E. 9549, A−form (A), MÁFI E. 9550, A−form (B), MÁFI E. 9551, A−form (C), MÁFI E. 9552, B−form (D), MÁFI E. 9553, A−form (E). F. Vedi (Armenia), MÁFI E. 9554, A−form, equatorial section. G–R. Heterostegina reticulata mossanensis ssp. nov., earliest Priabonian, SBZ 19 A. G–J. Mossano 6, equatorial sections, holotype, MÁFI E. 9555, A−form (G), paratype, MÁFI E. 9556, A−form (H), paratype, MÁFI E. 9557, A−form (I), paratype, MÁFI E. 9558 (J), B−form. K–M. Úrhida 10 (Hungary), Ą

Fig. 5 in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 5. Normal fault at the road from Mossano to Monte Stria just before the junction with the cross−road to Olivari. Marne di Priabona in the left, Calcari nummulitici in the right side. Photo: C.A. Papazzoni in 1989.

Fig. 2 in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 2. The measurement system in the equatorial section of megalospheric Heterostegina (see also text). Pre−heterosteginid chambers (X) are marked by solid circles, secondary chamberlets in chamber 14 (S) by asterisks.

Fig. 3. Locality maps. A in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 3. Locality maps. A. Geographical position of the samples studied. B. Detailed location of the Mossano samples (Italy) drawn after Papazzoni and Sirotti (1993). C. Detailed location of samples from Verona, Castel San Felice (Italy). D. Detailed location of the Úrhida samples (Hungary). E. Detailed location of the Şarköy samples (Turkey).

Fig. 16 in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 16. Distribution of the latest Bartonian, Priabonian and Oligocene heterosteginid populations (mean values at the 95.44% confidence level) on the S–X (density of chamberlets in chamber 14 versus number of undivided post−embryonic chambers) bivariate plot (both scales are logarithmic).

Fig. 1 in The middle to late Eocene evolution of nummulitid foraminifer Heterostegina in the Western Tethys

Fig. 1. Terminology for external features of Heterostegina: Heterostegina gracilis (A) and Heterostegina armenica (B).

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Fig. 2 in A sebecosuchian in a middle Eocene karst with comments on the dorsal shield in Crocodylomorpha

Fig. 2. Selected sebecosuchian osteoderms (MNHL 341) from the middle Eocene of Lissieu, France, in dorsal (A 1 −E 1), lateral (A 2 −E 2), and ventral (A −E ) views.

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Fig. 1 in A sebecosuchian in a middle Eocene karst with comments on the dorsal shield in Crocodylomorpha

Fig. 1. Isolated ziphodont teeth of Sebecosuchia indet. from the middle Eocene of Lissieu, France. A. Isolated apex (UCBL-FSL 530863a) in labial (A 1), mesial or distal (A 2) views, detail of the denticles (A 3). B. Isolated crown (UCBL-FSL 530863b) corresponding to a maxillary or mid-position in the dentary distal (B 1), labial or lingual (B 2) views, detail of the denticles (B 3). C. Isolated crown (UCBL-FSL 530863c) nearly circular in cross section corresponding to a premaxillary or anterior position in the dentary tooth row in labial (C ), mesial or distal (C ), lingual (C ) views, detail of the denticles (C ).

Fig. 1 in Taphonomy of the fossil insects of the middle Eocene Kishenehn Formation

Fig. 1. Stratigraphy of the middle Eocene Kishenehn Formation from the type area at Coal Creek, Middle Fork of Flathead River region, shown in relation to the measured section at the Tunnel Creek locality—oil shale stratigraphy is representative of the other insect localities and demonstrates the heterogeneous lithologic makeup of the lower sequence of the Coal Creek Member. The thicknesses of the oil shale beds in meters is shown in parentheses. For the interval with numerous interbeds of marlstone and mudstone denoted by the bracket, the composite thickness of oil shale is listed. The oil shale within this bracket contains fossil insects.

Fig. 5 in Taphonomy of the fossil insects of the middle Eocene Kishenehn Formation

Fig. 5. Scanning electron micrographs showing the constituents of a single rhythmite comprised of three distinct layers; shale USNM 560101; Coal Creek member of the Kishenehn Formation, Eocene, Montana, USA. A. A thin-section of one rhythmite. The black mat at the bottom of the photograph is part of an underlying rhythmite (frames show the exact locations of B–D). B–D. Higher magnification photographs of the three layers of the rhythmite. B. A microbial mat consisting of black organic matter, primarily carbon, small amounts of calcite crystals and scattered larger siliciclastic particles. C. Small crystals of calcite (CaCO). D. A thick layer consisting largely of various particles of siliciclastic detritus.

Fig. 3 in Taphonomy of the fossil insects of the middle Eocene Kishenehn Formation

Fig. 3. Distribution of fossil insect orders from the Coal Creek member of the Kishenehn Formation. Percentages of the total insect fossils for each order are given to the right of each horizontal bar. Insects not identifiable to order (8.38% of the total) are not included in the graph. Within Diptera and Hemiptera, the families Chironomidae (nonbiting midges) and Corixidae (water boatmen) respectively, make up the majority of the specimens.

Fig. 2 in Taphonomy of the fossil insects of the middle Eocene Kishenehn Formation

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Fig. 1 in A skull of a new pelecaniform bird from the Middle Eocene of Messel, Germany

Fig. 1. Masillastega rectirostris gen. et sp. nov., holotype (Universität Bonn, Institut für Paläontologie; collection number 140b). A. Coated with ammonium chloride to enhance contrast, note the impressions of vessels on the beak; scale bar equals 10 mm. B. Interpretative drawing; the hatched area marks the recessus tympanicus dorsalis, the asterisks indicate the wide, plane dorsal surface of the left mandibular ramus. C. X−ray photograph.

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Fig. 2 in A skull of a new pelecaniform bird from the Middle Eocene of Messel, Germany

Fig. 2. Skulls of extant pelecaniform and ciconiiform birds in comparison. A. Sula bassana (Pelecaniformes, Sulidae), SMF 1535; note the impressions of vessels on the mandible and the upper beak, the small arrow indicates the deep recessus tympanicus dorsalis. B. Phalacrocorax aristotelis (Pelecaniformes, Phalacrocoracidae), SMF 2861. C. Scopus umbretta (Ciconiiformes, Scopidae), SMF 1906. Scale bars 10 mm.