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290 results for “Cenomanian”
Figure 9. Cenomanian tubes from Okukinenbetsu River, Japan. A–D in Identification of fossil worm tubes from Phanerozoic hydrothermal vents and cold seeps
Figure 9. Cenomanian tubes from Okukinenbetsu River, Japan. A–D, 'Okukinenbetsu yellow tubes'; A, OKb4-5, long fragment of a tube exhibiting fine longitudinal wrinkles; B, OKb4-5, short tube fragments also exhibiting fine longitudinal wrinkles; C, OKb4-4, transverse section of tube with yellowish walls; D, OKb4-2, detail of a yellow tube wall, showing some evidence of multi-layering. E–I, 'Okukinenbetsu brown tubes'; E, OKb4, partial longitudinal and transverse sections of a tube with brown walls; F, OKb4, detail of brown-walled tube revealing a multi-layered, fibrous nature; G–I, detail of thick, multi-layered brown-walled tubes in OKb4-3 (G), OKb4-2 (H) and OKb4 (I). Scale bars: A, B = 2 mm; C, F = 300 µm; D, I = 50 µm; E = 1 mm; G = 150 µm; H = 200 µm.
Fig. 5 in Upper Cretaceous Foraminifera Murgeina Apula (Luperto Sinni, 1968): A Methusalem And Cenomanian-Turonian Boundary Survivor Taxon
Fig. 5 Possible post-Triassic fusulinanids Protopeneroplis striata Weynschenk (a-c), Upper Jurassic of Romania and Murgeina apula (Luperto Sinni), Upper Cretaceous (Campanian) of Croatia (d). a Axial section. Note the irregular coiling, the alternating dark and bright layers in the umbo, and the presence of an outer hyaline-calcitic layer (arrow). b-c Equatorial sections. Note the double-layered septum (s) and wall (arrow). d Slightly oblique axial section. Note the alternating dark and bright layers in the umbo (compare to P. striata in a).
Fig. 4 in First North American occurrence of hairy cicadas discovered in the Cenomanian (Late Cretaceous) of Labrador, Canada
Fig. 4. Comparison of hairy cicada Maculaferrum blaisi gen. et sp. nov. (holotype RMIP 2018.18.24) from the Cenomanian (Late Cretaceous) Redmond Formation, Labrador, Canada, with forewings of extant relatives (B, C). A. Interpretative drawing of M. blaisi gen. et sp. nov. (holotype RMIP 2018.18.24) in pre-burial state, based on extant and extinct relatives. B. Left forewing of male Tettigarcta crinita Distant, 1883 from southern Victoria, Australia; NMV HEM5660 in dorsal view. C. Left forewing of female Tettigarcta tomentosa White, 1845 from Tasmania, Australia; NMV HEM476 in dorsal view. Note colouration pattern on post-nodal half: round patches near junction of terminal longitudinal veins with ambient vein, a larger darker round patch in cell a2, smaller irregular patches along more basal segments of longitudinal veins, and large oblong to irregular patches along cross veins and short segment of M1. Abbreviations: A, anal vein; a, apical cell; av, ambient vein; bc, basal cell; C, costa; Cu, cubitus; CuA, cubitus anterior; CuP, cubitus posterior; M, media; M1+2, two anterior branches of M; M3+4, two posterior branches of M; m, medial cross vein; mc, medial cell; m-cua, mediocubital cross vein; RA, radius anterior; RP, radius posterior; r, radial cross vein; r-m, radio-medial cross vein; Sc, subcosta; u, ulnar cell.
Fig. 6. Tettigarctinae occurrences through time. 1 in First North American occurrence of hairy cicadas discovered in the Cenomanian (Late Cretaceous) of Labrador, Canada
Fig. 6. Tettigarctinae occurrences through time. 1, Liassocicada antecedens Bode, 1953 from Early Jurassic Posidonia Shale Formation, Germany drawing from Nel et al. 1998); 2, Kisylia psylloides Martynov, 1937 from Early Jurassic Kisyl-Kiya, Kyrgyzstan; 3, Protabanus chaoyangensis Hong, 1982 from the Callovian/Oxfordian (Middle/Late Jurassic) Jiulongshan Formation, China; 4, Sunotettigarcta (represented by drawing of Sunotettigarcta kudryashevae Shcherbakov, 2009) from Late Jurassic Karatau, Kazakhstan; 5, Tettagalma striata Menon, 2005 from the Aptian (Early Cretaceous) Crato Formation, Brazil; 6, Magrebarcta africana Nel, Zarbout, Barale, and Philippe, 1998 from the Aptian (Early Cretaceous) Duriet Formation, Tunisia; 7, Cretotettigarcta burmensis Fu, Cai, and Huang, 2019 from the Cenomanian (Late Cretaceous) Hukawng Valley, Myanmar; 8, Maculaferrum blaisi gen. et sp. nov. (holotype RMIP 2018.18.24) from the Cenomanian (Late Cretaceous) Redmond Formation, Labrador, Canada; 9, Eotettigarcta scotica Zeuner, 1944 from the Palaeocene Isle of Mull, UK (only known from a partial hind wing); 10, Meuniera haupti Piton, 1936 from the Palaeocene Menat quarry, France; 11, Paratettigarcta zealandica Kaulfuss and Moulds, 2005 from the Miocene Hindon Maar, New Zealand; 12, Tettigarcta crinita Distant, 1883 from southern Victoria, Australia (extant). The classification of Liassocicada ignota Brodie, 1845 within Cicadoprosbolinae introduces uncertainty about the affinities of L. antecedens to Tettigarctinae (Shcherbakov 2009). Drawings not to scale; 1, 4, 6, 7, 9–11, mirrored to facilitate comparison with Maculaferrum. Fossil occurrences retrieved from the Paleobiology Database (Czaplewski 2019). Palaeogeographical maps from Scotese (2001).
Fig. 2 in First North American occurrence of hairy cicadas discovered in the Cenomanian (Late Cretaceous) of Labrador, Canada
Fig. 2. Hairy cicada Maculaferrum blaisi gen. et sp. nov. (holotype RMIP 2018.18.24) from the Cenomanian (Late Cretaceous) Redmond Formation, Labrador, Canada. Habitus photograph (A1), extracted from the RTI file (downloaded from http://culturalheritageimaging.org/Technologies/RTI/ on 31 July 2019; see SOM) and interpretative line drawing (A2). Wing venation terminology after Moulds (2005). Abbreviations: A, anal vein; a, apical cell; av, ambient vein; bc, basal cell; C, costa; Cu, cubitus; CuA, cubitus anterior; CuP, cubitus posterior; M, media; M1+2, two anterior branches of M; M3+4, two posterior branches of M; m, medial cross vein; mc, medial cell; m-cua, mediocubital cross vein; RA, radius anterior; RP, radius posterior; r, radial cross vein; r-m, radio-medial cross vein; Sc, subcosta; u, ulnar cell. Black lines, striae along wing apex; grey lines, tubercles along apical vein segments; dashed line, visible portion of nodal line.
Fig. 1 in First North American occurrence of hairy cicadas discovered in the Cenomanian (Late Cretaceous) of Labrador, Canada
Fig. 1. Geographical location and geological setting of the Cenomanian (Late Cretaceous) Redmond Formation. A. Location of the Redmond Formation near Schefferville in Labrador, Canada (54°41'N, 66°45'W). Exposures of the Sokoman Formation based on Conliffe (2016). B. Prospecting along the spoil pile to the west of the Redmond no. 1 mine, where the specimen was discovered. C. Southeast facing view of the mine from the top of the western spoil pile. The open-pit mine is now flooded by groundwater.
Fig. 5. A in First North American occurrence of hairy cicadas discovered in the Cenomanian (Late Cretaceous) of Labrador, Canada
Fig. 5. A. Spatial and geographical distribution of cicadoid occurrences in the Cretaceous (red star, black shapes) compared with extant tettigarctids (blue diamonds). B. Habitus photograph of male Tettigarcta crinita Distant, 1883 from southern Victoria, Australia; NMV HEM5660 in dorsal view. C. Habitus photograph of male Tettigarcta tomentosa White, 1845 from Tasmania, Australia; NMV HEM472 in dorsal view. Fossil occurrences retrieved from the Paleobiology Database (Czaplewski 2019).
Figure 4 in The First Cretaceous Epyrine Wasp (Hymenoptera: Bethylidae): A New Genus and Species from Early Cenomanian Kachin Amber
Figure 4. Hukawngepyris setosus gen. et sp. nov., female holotype, MB.I.8638, (A) mesosoma in dorsolateral view; (B) metasoma in left posterolateral view; (C) drawing of fore and hind wings (dashed lines indicate flexion lines; pt = pterostigma). Scale bars = 0.5 mm.
Figure 2 in The First Cretaceous Epyrine Wasp (Hymenoptera: Bethylidae): A New Genus and Species from Early Cenomanian Kachin Amber
Figure 2. Hukawngepyris setosus gen. et sp. nov., female holotype, MB.I.8638, habitus in left lateroventral view. Scale bar = 1 mm.
Figure 3 in The First Cretaceous Epyrine Wasp (Hymenoptera: Bethylidae): A New Genus and Species from Early Cenomanian Kachin Amber
Figure 3. Hukawngepyris setosus gen. et sp. nov., female holotype, MB.I.8638, (A) head in left lateral view; (B) head and partial mesosoma in dorsal view (black arrow: notaulus; white arrow: parapsidal signum); (C) mesosoma in left lateroventral view (black arrow: propleural epicoxal sulcus; white arrow: protibial spur). Scale bars: A = 0.25 mm, B–C = 0.5 mm.
Figure 4. CMN 59667 in An ankylosaurian dinosaur from the Cenomanian Dunvegan Formation of northeastern British Columbia, Canada
Figure 4. CMN 59667 compared to other ankylosaur dorsal vertebrae. (a) Right lateral view of isolated neural arch of CMN 59667, Ankylosauria indet. (b) Left lateral view of third dorsal vertebra from AMNH 5337, Euoplocephalus tutus. (c) Left lateral view of seventh dorsal vertebra of AMNH 5895, Ankylosaurus magniventris. Abbreviations are as follows: c – centrum; d – diapophysis; ns – neural spine; p – parapophysis; poz – postzygapophysis; prz – prezygapophysis; tp – transverse process.
Figure 2. CMN 59667 in An ankylosaurian dinosaur from the Cenomanian Dunvegan Formation of northeastern British Columbia, Canada
Figure 2. CMN 59667, block including portions of two ankylosaur dorsal vertebrae and two probable ankylosaur ribs. (a) Photograph and (b) interpretive illustration of isolated centrum (lateral view) and isolated neural arch (oblique dorsolateral view). (c) Reverse side of block, showing remains of two ribs and parts of the vertebrae, and (d) interpretive illustration of the same. Abbreviations are as follows: c – centrum; d – diapophysis; ns – neural spine; pz – postzygapophysis; tp – transverse process; r1 – rib 1; r2 – rib 2; ri1 – impression of rib 1.
Figure 1. CMN 59667 in An ankylosaurian dinosaur from the Cenomanian Dunvegan Formation of northeastern British Columbia, Canada
Figure 1. CMN 59667 was collected along the Pine River in northeastern British Columbia, approximately 1.6 km downstream of its junction with the Murray River. Sedimentological and palaeontological features in this area suggest these are outcrops of the upper two-thirds of allomember E of the Dunvegan Formation. (a) Location of the collection site for CMN 59667 in British Columbia, Canada, indicated by a red star (inset map shows location in western Canada). (b) Tetrapodosaurus pes natural cast (RBCM P1473) discovered at this site; anterior is to the right. (c) RBCM P1028, sample with Metasequoia leaf and obovate or elliptical angiosperm leaf with entire margin (leaf morphotype 122; Ash et al., 1999). (d) RBCM P1030, palmately lobed angiosperm leaf (leaf morphotypes 140–143; Ash et al., 1999). (e) Cliff-forming outcrops on the eastern bank of the Pine River, 1.6 km from its junction with the Murray River, as viewed from the west bank. (f) Gymnosperm cone in cross section (not collected), observed on the west bank of the Pine River.
Figure 3 in An ankylosaurian dinosaur from the Cenomanian Dunvegan Formation of northeastern British Columbia, Canada
Figure 3. Details of vertebrae of CMN 59667. (a) Right lateral view of isolated neural arch (with oblique ventrolateral view of adhering isolated centrum), showing the diapophyseal sulcus on the transverse process. (b) Axial view of the isolated centrum, broken at its approximate mid-length, showing strong constriction of the centrum. (c) Ventral view of the transverse process of the isolated neural arch, showing the diapophyseal sulcus. Abbreviations are as follows: c – centrum; d – diapophysis; ns – neural spine; pz – postzygapophysis; tp – transverse process.
Fig. 6 - Amazighopsis cretacica n. gen., n in Amazighopsidae, a new family of decapod macruran astacideans from the late Cretaceous (Cenomanian-Turonian) of Gara Sbaa, Southeastern Morocco
Fig. 6 - Amazighopsis cretacica n. gen., n. sp. A) reconstruction. B) close-up of the occlusal margins of P1 chela.
Fig. 4 - Amazighopsis cretacica n. gen., n in Amazighopsidae, a new family of decapod macruran astacideans from the late Cretaceous (Cenomanian-Turonian) of Gara Sbaa, Southeastern Morocco
Fig. 4 - Amazighopsis cretacica n. gen., n. sp., MSNM i27545, close-up of the telson without diaeresis and with movable spines on lateral margin (arrows) and uropodal exopod without diaeresis (x 6.81).
Fig. 2 - Amazighopsis cretacica n. gen., n in Amazighopsidae, a new family of decapod macruran astacideans from the late Cretaceous (Cenomanian-Turonian) of Gara Sbaa, Southeastern Morocco
Fig. 2 - Amazighopsis cretacica n. gen., n. sp., MSNM i27546, Paratype. A) General view in natural light (x 1.23). B) General view in UV light (x 1.12).
Fig. 1 - Amazighopsis cretacica n. gen., n in Amazighopsidae, a new family of decapod macruran astacideans from the late Cretaceous (Cenomanian-Turonian) of Gara Sbaa, Southeastern Morocco
Fig. 1 - Amazighopsis cretacica n. gen., n. sp., MSNM i27545, Holotype. A) General view in natural light (x 1.51). B) General view in UV light (x 1.44).
Fig. 3 - Amazighopsis cretacica n. gen., n in Amazighopsidae, a new family of decapod macruran astacideans from the late Cretaceous (Cenomanian-Turonian) of Gara Sbaa, Southeastern Morocco
Fig. 3 - Amazighopsis cretacica n. gen., n. sp., MSNM i27646, Paratype. A) General view in natural light (x 2). B) General view in UV light (x 1.71).
FIGURE 6. DMNH 2013-07-1942 in A revision of "Trinitichelys" maini (Testudinata: Baenidae) and additional material of its new genus from the Lewisville Formation (Woodbine Group, Cenomanian), Texas, USA
FIGURE 6. DMNH 2013-07-1942, Gehennachelys maini comb. nov. shoulder girdle and forelimb bones. Partial left scapula of DMNH 2013-07-1942 in A, posteromedial, and B, anterolateral views. Partial right scapula of DMNH 2013- 07-1942 in C, posteromedial, and D, anterolateral views. Partial right scapula of DMNH 2013-07-0601 in E, posteromedial, and F, anterolateral views. Right coracoid of DMNH 2013-07-1942 in G, dorsal, and H, ventral views. Partial left coracoid of DMNH 2013-07-1942 in I, dorsal, and J, ventral views. Right humerus in K, posterior, L, dorsal, M, proximal, N, distal, O, ventral, and P, posterior views. M and N are oriented with B.
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