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Fig. 8 in Comparative cranial osteology of subadult eucentrosauran ceratopsid dinosaurs from the Two Medicine Formation, Montana, indicates sequence of ornamentation development and complex supraorbital ontogenetic change

Fig. 8. Size comparison of squamosal versus face in Einiosaurus procurvicornis Sampson, 1995, subadult MOR 456 8-8-87-1 (A) and MOR 456 8-9-6-1, holotype (B, mirrored); squamosal superimposed in B. C. Outline of MOR 456 8-8-87-1 (red) superimposed over outline of MOR 456 8-9-6-1 (grey). D. Outline of MOR 591 (blue) superimposed over outline of MOR 456 8-9-6-1 (grey). Outlines aligned by otic notch.

Fig. 6 in Mississippian colonial tabulate and rugose corals from the Flett Formation, Liard Basin, northwest Canada

Fig. 6. Stratigraphic column of type section of Viséan Flett Formation at Jackfish Gap on Yohin Ridge, eastern Cordillera, southwest corner of Northwest Territories. Shows lithostratigraphic positions of coral collections discussed in this paper. Abbreviations: Fm., Formation. Stratigraphic column modified from Richards et al. (1989: fig. 24).

Fig. 3. A in Mississippian colonial tabulate and rugose corals from the Flett Formation, Liard Basin, northwest Canada

Fig. 3. A. Partly schematic, palinspastic stratigraphic cross-section A–A' showing stratigraphic relationships of Flett Formation in eastern Cordillera of northern part of project area in southwest corner of Northwest Territories and southeast Yukon. B. Environments of deposition. See Fig. 2 for line of cross-section A–A'. Abbreviations: Fm., Formation (formal unit); fm., formation (informal unit); Mbr., Member (formal unit). Modified from Richards et al. (1989).

Fig. 2 in Mississippian colonial tabulate and rugose corals from the Flett Formation, Liard Basin, northwest Canada

Fig. 2. Simplified geological map of study region showing distribution of outcrops of Carboniferous Prophet, Flett, and Mattson formations in southwest corner of Northwest Territories and southeast Yukon Territory and lines of cross-section A–A' and B–B' (see Figs. 4, 5 for details). Surface and subsurface sections (coral localities are in orange): 1, Twisted Mountain; 2, north end Mattson anticline; 3, Jackfish Gap (main coral locality); 4, Tlogotsho Plateau; 5, Etanda Lakes; 6, Tika Creek; 7, Pan American Home Signal C.S.P. Celibeta Number 7; 8, Texaco N.F.A. Bovie Lake J-72; 9, Pan American A-1 Pointed Mountain P-53; 10, Canada Southern et al. North Beaver River YT 1-27; 11, Pan American Beaver YT G-01; 12, West Flett anticline; 13, Southern Liard Range; 14, Sheaf Cree. Abbreviations: Fm., Formation (formal unit); fm., formation (informal unit); fms., formations; S., south; W., west; YT, Yukon Territory; C.S.P., Canada Southern Petroleum. Modified from Harker (1963) and an unpublished map by Andrew Okulitch from 2005 (reproduced with permission).

Fig. 4. A in Mississippian colonial tabulate and rugose corals from the Flett Formation, Liard Basin, northwest Canada

Fig. 4. A. Partly schematic, palinspastic stratigraphic cross-section showing stratigraphic relationships of Flett Formation in southern part of project area. B. Environments of deposition. See Fig. 2 for line of cross-section B–B'. Abbreviations: Fm., Formation (formal unit); fm., formation (informal unit); Mbr., Member (formal unit); mbr., member (informal unit); YT, Yukon Territory; C.S.P., Canada Southern Petroleum. Modified from Richards et al. (1994).

Fig. 6 in Morphology and relationships of the enigmatic stenothecoid pan-brachiopod Stenothecoides-new data from the middle Cambrian Burgess Shale Formation

Fig. 6. Stenothecoid pan-brachiopod Stenothecoides rasettii sp. nov., middle Cambrian, Burgess Shale Formation, Yoho National Park, Canada, Locality 1 A, D, E, G, H) and Locality 2 (B, C, F). A. TMP 2008.024.1140, ventral valve in exterior view. B. TMP 2002.083.0179, ventral valve in exterior (B1) and interior (B2) views. C. TMP 2002.083.0180, dorsal valve in exterior (C1) and interior (C2) views. D. TMP 2008.024.1145, dorsal valve in interior magnified, D) and exterior (D) views. E. TMP 2008.024.1141, ventral valve in interior (E) and exterior (E2) views. F. TMP 2002.083.0181, dorsal 1 2 1 valve in exterior (F1) and interior (F2) views. G. TMP 2008.024.1146, dorsal valve in posterior (G1) and exterior (G2) views. H. TMP 2008.024.1139, ventral valve in interior view.

Fig. 5 in Comparative cranial osteology of subadult eucentrosauran ceratopsid dinosaurs from the Two Medicine Formation, Montana, indicates sequence of ornamentation development and complex supraorbital ontogenetic change

Fig. 5. Lateral views of jugals of Einiosaurus procurvicornis Sampson, 1995, MOR 456 8-8-87-1 (A) and eucentrosauran (Einiosaurus procurvicornis or Achelousaurus horneri Sampson, 1995), MOR 591 (B, mirrored), from the Campanian Two Medicine Formation, Montana, USA. Arrow indicates epijugal.

Fig. 6 in Comparative cranial osteology of subadult eucentrosauran ceratopsid dinosaurs from the Two Medicine Formation, Montana, indicates sequence of ornamentation development and complex supraorbital ontogenetic change

Fig. 6. Ontogenetic series of supraorbital ornamentation of Einiosaurus procurvicornis Sampson, 1995 from the Campanian Canyon Bonebed, Two Medicine Formation (TM-046), Montana, USA. A, B. Juvenile, MOR 456 8-10-87-20 (A) and MOR 456 8-8-87-19 (B). C, D. Early subadult, MOR 456 8-9-7-3 (C) and MOR 456 2020-C-1 (D). E, F. Late subadult, MOR 456 8-8-87-1 (E) and MOR 456 8-23-87 (F). G, H. Young adult, MOR 456 2020-C-2 (G) and MOR 456 8-9-6-1 (H). B and D are mirrored. All specimens in anterior view, lateral is to the right in A–D, G, H; E, entire skull width; F, lateral is to the left.

Fig. 4 in Comparative cranial osteology of subadult eucentrosauran ceratopsid dinosaurs from the Two Medicine Formation, Montana, indicates sequence of ornamentation development and complex supraorbital ontogenetic change

Fig. 4. Anterior views of supraorbital ornamentation of Einiosaurus procurvicornis Sampson, 1995, MOR 456 8-8-87-1 (A) and eucentrosauran Einiosaurus procurvicornis or Achelousaurus horneri Sampson, 1995), MOR 591 (B), from the Campanian Two Medicine Formation, Montana, USA.

Fig. 7 in Comparative cranial osteology of subadult eucentrosauran ceratopsid dinosaurs from the Two Medicine Formation, Montana, indicates sequence of ornamentation development and complex supraorbital ontogenetic change

Fig. 7. Ontogenetic series of supraorbital ornamentation of Einiosaurus procurvicornis Sampson, 1995 from the Campanian Canyon Bonebed (TM-046), Montana, USA. A, B. Juvenile, MOR 456 8-10-87-20 (A) and MOR 456 8-8-87-19 (B). C, D. Early subadult, MOR 456 8-9-7-3 (C) and MOR 456 2020- C-1 (D). E, F. Late subadult, MOR 456 8-8-87-1 (E) and MOR 456 8-23-87 (F). G, H. Young adult, MOR 456 2020-C-2 (G) and MOR 456 8-9-6-1 (H). B, D–G are mirrored. All specimens in lateral view, anterior is to the left in all images.

Fig. 3 in Comparative cranial osteology of subadult eucentrosauran ceratopsid dinosaurs from the Two Medicine Formation, Montana, indicates sequence of ornamentation development and complex supraorbital ontogenetic change

Fig. 3. Right lateral views of supraorbital ornamentation of Einiosaurus procurvicornis Sampson, 1995, MOR 456 8-8-87-1 (A) and eucentrosauran (Einiosaurus procurvicornis or Achelousaurus horneri Sampson, 1995), MOR 591 (B) from the Campanian Two Medicine Formation, Montana, USA.

Fig. 2 in Comparative cranial osteology of subadult eucentrosauran ceratopsid dinosaurs from the Two Medicine Formation, Montana, indicates sequence of ornamentation development and complex supraorbital ontogenetic change

Fig. 2. Right lateral views of nasal horncores of Einiosaurus procurvicornis Sampson, 1995, MOR 456 8-8-87-1 (A) and eucentrosauran (Einiosaurus procurvicornis or Achelousaurus horneri Sampson, 1995), MOR 591 (B, mirrored), from the Campanian Two Medicine Formation, Montana, USA.

Fig. 5 in A new Late Triassic dipteridacean fern from the Paso Flores Formation, Neuquén Basin, Argentina

Fig. 5. Drawing of the dipteridacean fern Patagoniapteris artabeae gen. and sp. nov. from the upper Norian–Rhaetian, Upper Triassic Paso Flores Formation, Neuquén Province, Argentina. A. MCF-PBPH 066, basal portion of a rachial arm with the primary segments fused lamina. B. MCF-PBPH 415, primary segments of fertile frond with deeply dissected lobes. C. Hypothetical reconstruction of the frond.

Fig. 2 in A new Late Triassic dipteridacean fern from the Paso Flores Formation, Neuquén Basin, Argentina

Fig. 2. Location of the study area within Argentina and southern region of the Neuquén Province and north-western region of the Río Negro Province (B, C). Aerial view of the study area showing the main outcropping sections of the Paso Flores Formation (A) (based on Spalletti et al. 1988 and González Díaz 1982). The star indicates the location of the studied fossil flora at Cañadón de Pancho described herein. Image taken from Google Earth (2016).

Fig. 7 in A new Late Triassic dipteridacean fern from the Paso Flores Formation, Neuquén Basin, Argentina

Fig. 7. Dipteridacean fern Patagoniapteris artabeae gen. and sp. nov. from the upper Norian–Rhaetian, Upper Triassic Paso Flores Formation, Neuquén Province, Argentina. A. MCF-PBPH 066, view of the sori. A1–A5, details of the sori with and without sporangia (arrow). Scale bars 1.5 mm.

Fig. 1 in A new Late Triassic dipteridacean fern from the Paso Flores Formation, Neuquén Basin, Argentina

Fig. 1. Generalized outline of the Neuquén Basin, showing the location of the studied area of the Paso Flores Formation, Neuquén Province, Patagonia, Argentina (modified from Vergani et al. 1995). Image taken by NASA, July 2004.

Fig. 1 in Comparative cranial osteology of subadult eucentrosauran ceratopsid dinosaurs from the Two Medicine Formation, Montana, indicates sequence of ornamentation development and complex supraorbital ontogenetic change

Fig. 1. Lateral views of articulated crania of subadult eucentrosaurans from the Campanian Two Medicine Formation, Montana, USA. A. Einiosaurus procurvicornis Sampson, 1995, MOR 456 8-8-87-1. B. Eucentrosauran (Einiosaurus procurvicornis or Achelousaurus horneri Sampson, 1995), MOR 591. Photographs (A1 and B1), osteological line drawings (A2, B2). Face of MOR 591 mirrored, with parietosquamosal frill superimposed. The contact outlines between the postorbital, jugal, and squamosal in A2 are estimated due to lack of externally visible sutures and may appear different from MOR 591 due to some breaks and gaps. P4–P7, parietal processes.

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Fig. 4 in Paleocene of Menat Formation, France, reveals an extraordinary diversity of orthopterans and the last known survivor of a Mesozoic Elcanidae

Fig. 4. Habitus of Caelifera from Paleocene of Menat, France. A. Orthacanthacris incertus Piton, 1940, holotype MNHN.F.R07017. B. Ochrilidia lineata Piton, 1940, holotype, MNHN.F.R07043.

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Fig. 7 in Paleocene of Menat Formation, France, reveals an extraordinary diversity of orthopterans and the last known survivor of a Mesozoic Elcanidae

Fig. 7. Tegmina of chorotypid orthopteran Paleochina spp. from Paleocene of Menat, France. A. Paleochina duvergeri gen. et sp. nov., holotype, MNT NEL 3267; A1, left wing; A2, right wing (reversed view). B. Paleochina minuta sp. nov., holotype, MNT NEL 1928. C. Paleochina minuta sp. nov., paratype, MNT BDL 1043. Scale bars 5 mm. Abbreviations: C, costa; CuA/P, cubitus anterior/posterior; CuPaα, most anterior branch of CuP; CuPaβ, median branch of CuP; CuPb, posterior branch of CuP; M, median vein; RA/P, radius anterior/posterior; ScA/P, subcostal anterior/posterior.