4,403 research outputs found
The Early Middle Eocene Wagon Bed Carpoflora Of Central Wyoming, U.S.A.
Tiffney, Bruce H., Manchester, Steven R. (2022): The Early Middle Eocene Wagon Bed Carpoflora Of Central Wyoming, U.S.A. Fossil Imprint 78 (1): 51-79, DOI: 10.37520/fi.2022.004, URL: http://dx.doi.org/10.37520/fi.2022.00
Text-fig. 4. Reconstruction of Quinquala obovata fruits; artwork by K. K. Pham. in Winged Fruits Of Rutaceous Affinity From The Eocene Of Western North America
Text-fig. 4. Reconstruction of Quinquala obovata fruits; artwork by K. K. Pham.Published as part of Manchester, Steven R., Disney, Kory A. & Pham, Kasey K., 2020, Winged Fruits Of Rutaceous Affinity From The Eocene Of Western North America, pp. 211-216 in Fossil Imprint 76 (2) on page 215, DOI: 10.37520/fi.2020.018, http://zenodo.org/record/538617
Text-fig. 2. Tectocarya spp. a–n: Tectocarya grandis (E.REID et M.CHANDLER) comb. n. Holotype V.22968. a: Lateral view of broken endocarp, reflected light. b–d: Longitudinal views, surface renderings from micro-CT data. e: Translucent volume renderings. f: Apical view, surface rendering. g: View of transversely broken surface showing curved locule, reflected light. h–n: Successive digital transverse sections. Note septum in the dorsal infold (arrows). o, p: Tectocarya rhenana KIRCHH., Miocene of Germany, dorsal view and transverse section [Holotype of Mastixoidea tectocaryoides KIRCHH., Alfred Mine near Konzendorf, photo by Dieter Mai] (Synonym of T. rhenana MAI, 1993). q: T. rhenana transverse section. from Mine Alfred, Düren, Germany, coll. Claire A. Brown 1952, USNM 355632. r, s: Tectocarya sp. from late Eocene of Post, Oregon, USA, physical transverse section, reflected light. UF279-50014. [Surface views of same specimen shown in Manchester and McIntosh 2007: figs 62, 63]. Scale bars 1 cm in (a–r), 0.5 cm in (s). in Mastixioid Fruits (Cornales) From The Early Eocene London Clay Flora: Morphology, Anatomy And Nomenclatural Revision
Text-fig. 2. Tectocarya spp. a–n: Tectocarya grandis (E.REID et M.CHANDLER) comb. n. Holotype V.22968. a: Lateral view of broken endocarp, reflected light. b–d: Longitudinal views, surface renderings from micro-CT data. e: Translucent volume renderings. f: Apical view, surface rendering. g: View of transversely broken surface showing curved locule, reflected light. h–n: Successive digital transverse sections. Note septum in the dorsal infold (arrows). o, p: Tectocarya rhenana KIRCHH., Miocene of Germany, dorsal view and transverse section [Holotype of Mastixoidea tectocaryoides KIRCHH., Alfred Mine near Konzendorf, photo by Dieter Mai] (Synonym of T. rhenana MAI, 1993). q: T. rhenana transverse section. from Mine Alfred, Düren, Germany, coll. Claire A. Brown 1952, USNM 355632. r, s: Tectocarya sp. from late Eocene of Post, Oregon, USA, physical transverse section, reflected light. UF279-50014. [Surface views of same specimen shown in Manchester and McIntosh 2007: figs 62, 63]. Scale bars 1 cm in (a–r), 0.5 cm in (s).Published as part of Manchester, Steven R. & Collinson, Margaret E., 2022, Mastixioid Fruits (Cornales) From The Early Eocene London Clay Flora: Morphology, Anatomy And Nomenclatural Revision, pp. 310-328 in Fossil Imprint 78 (1) on page 314, DOI: 10.37520/fi.2022.013, http://zenodo.org/record/716791
Text-fig. 7. Hamamelidoxylon crystalliferum sp. nov., UF 279-34464. a: Diffuse porous wood with exclusively solitary vessels, tending to be angular in outline, TS. b: Growth ring boundary, marked by radially narrowed fibers, latewood vessels narrower than earlywood vessels of the next ring, fibers thick-walled, no axial parenchyma visible, TS. c: Scalariform intervessel pits in narrow vessel (left), fibers with distinctly bordered pits, TLS. d: Scalariform perforation plate, tyloses (T) formation from marginal ray cell, TLS. e: Scalariform perforation plates with fewer than 15 bars (PP), RLS. f: Vessel-ray parenchyma pits with in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa
Text-fig. 7. Hamamelidoxylon crystalliferum sp. nov., UF 279-34464. a: Diffuse porous wood with exclusively solitary vessels, tending to be angular in outline, TS. b: Growth ring boundary, marked by radially narrowed fibers, latewood vessels narrower than earlywood vessels of the next ring, fibers thick-walled, no axial parenchyma visible, TS. c: Scalariform intervessel pits in narrow vessel (left), fibers with distinctly bordered pits, TLS. d: Scalariform perforation plate, tyloses (T) formation from marginal ray cell, TLS. e: Scalariform perforation plates with fewer than 15 bars (PP), RLS. f: Vessel-ray parenchyma pits withPublished as part of Wheeler, Elisabeth A. & Manchester, Steven R., 2021, A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa, pp. 299-329 in Fossil Imprint 77 (2) on page 313, DOI: 10.37520/fi.2021.022, http://zenodo.org/record/716758
Text-fig. 9. Wataria kvacekii sp. nov., UF 279-24556. a: Wood ring-porous, earlywood with 2–3 rows of wide pores, vessels solitary and in radial multiples of 2, axial parenchyma scanty vasicentric and some apotracheal diffuse-in-aggregates, TS. b: Series of vessel elements with simple perforations, axial parenchyma strands adjacent to vessels, RLS. c: Alternate intervessel pitting, vessel element end walls horizontal, RLS. d: Vessel-axial parenchyma pitting similar to intervessel pitting, RLS. e, f: Rays with tile cells, storied axial parenchyma, some strands chambered crystalliferous, TLS. g: Detail of ray, TLS. h: Storied imperforate elements. Scale bars: 200 µm in a; 100 µm in b, e; 50 µm in c, d, f, h; 20 µm in g. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa
Text-fig. 9. Wataria kvacekii sp. nov., UF 279-24556. a: Wood ring-porous, earlywood with 2–3 rows of wide pores, vessels solitary and in radial multiples of 2, axial parenchyma scanty vasicentric and some apotracheal diffuse-in-aggregates, TS. b: Series of vessel elements with simple perforations, axial parenchyma strands adjacent to vessels, RLS. c: Alternate intervessel pitting, vessel element end walls horizontal, RLS. d: Vessel-axial parenchyma pitting similar to intervessel pitting, RLS. e, f: Rays with tile cells, storied axial parenchyma, some strands chambered crystalliferous, TLS. g: Detail of ray, TLS. h: Storied imperforate elements. Scale bars: 200 µm in a; 100 µm in b, e; 50 µm in c, d, f, h; 20 µm in g.Published as part of Wheeler, Elisabeth A. & Manchester, Steven R., 2021, A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa, pp. 299-329 in Fossil Imprint 77 (2) on page 317, DOI: 10.37520/fi.2021.022, http://zenodo.org/record/716758
Text-fig. 8. Pterocaryoxylon sp., a–c, e: UF 279-85024; d, f: UF 279-24551. a, b: Wood semi-ring-porous, vessels solitary and in short radial multiples, axial parenchyma scanty vasicentric, marginal, and in narrow lines, TS. c: Crowded alternate intervessel pitting, simple perforation plate (PP), TLS. d: Vessel-axial parenchyma pitting similar to intervessel pitting, RLS. e: Rays mostly 1–3 cells wide, occasionally 4 cells, uniseriate rays probably mostly square to upright cells, TLS. f: Rays heterocellular, body cells procumbent. Scale bars: 200 µm in a, b; 100 µm in e, f; 50 µm in c; 20 µm in d. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa
Text-fig. 8. Pterocaryoxylon sp., a–c, e: UF 279-85024; d, f: UF 279-24551. a, b: Wood semi-ring-porous, vessels solitary and in short radial multiples, axial parenchyma scanty vasicentric, marginal, and in narrow lines, TS. c: Crowded alternate intervessel pitting, simple perforation plate (PP), TLS. d: Vessel-axial parenchyma pitting similar to intervessel pitting, RLS. e: Rays mostly 1–3 cells wide, occasionally 4 cells, uniseriate rays probably mostly square to upright cells, TLS. f: Rays heterocellular, body cells procumbent. Scale bars: 200 µm in a, b; 100 µm in e, f; 50 µm in c; 20 µm in d.Published as part of Wheeler, Elisabeth A. & Manchester, Steven R., 2021, A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa, pp. 299-329 in Fossil Imprint 77 (2) on page 315, DOI: 10.37520/fi.2021.022, http://zenodo.org/record/716758
Text-fig. 10. Carpolithes (a–j). a–d: Carpolithes sp. 10. USNM PAL 772375. Scale bar = 5 mm, reflected light, palladium coated. a: Lateral view of one face of structure; note adherent mineral material. Longitudinal groove is to right. b: Lateral view of one edge of the structure. c: Opposite view from (b), note groove in upper half of the specimen, facing viewer. d: Apical view. e–j: Carpolithes sp. 11. USNM PAL 772376. Scale bar = 5 mm, micro-CT scan surface views. e: Structure in face view showing central protuberance. f: Same, lateral view. g: Opposite face from (e). h: Opposite face from (f). i: View from one end. j: View from opposite end from (i). in The Early Middle Eocene Wagon Bed Carpoflora Of Central Wyoming, U.S.A.
Text-fig. 10. Carpolithes (a–j). a–d: Carpolithes sp. 10. USNM PAL 772375. Scale bar = 5 mm, reflected light, palladium coated. a: Lateral view of one face of structure; note adherent mineral material. Longitudinal groove is to right. b: Lateral view of one edge of the structure. c: Opposite view from (b), note groove in upper half of the specimen, facing viewer. d: Apical view. e–j: Carpolithes sp. 11. USNM PAL 772376. Scale bar = 5 mm, micro-CT scan surface views. e: Structure in face view showing central protuberance. f: Same, lateral view. g: Opposite face from (e). h: Opposite face from (f). i: View from one end. j: View from opposite end from (i).Published as part of Tiffney, Bruce H. & Manchester, Steven R., 2022, The Early Middle Eocene Wagon Bed Carpoflora Of Central Wyoming, U.S.A., pp. 51-79 in Fossil Imprint 78 (1) on page 72, DOI: 10.37520/fi.2022.004, http://zenodo.org/record/716771
Text-fig. 3. Cercidiphyllum cf. alalongum R.A.SCOTT et E.A.WHEELER, UF 279-24543. a, b: Diffuse-porous wood, exclusively solitary vessels, axial parenchyma rare, thick-walled fibers, TS. c: Scalariform perforation plate with more than 30 bars, RLS. d: Helical thickenings (HT) in vessel element tip, RLS. e: Opposite to scalariform intervessel pits, RLS. f, g: Heterocellular rays 1–2 cells wide, occasionally uniseriate and biseriate portions of similar width, TLS. h: Ray with alternating rows of procumbent and upright (-square) cells, RLS. Scale bars: 200 µm in a; 100 µm in b, f; 50 µm in c, g, h; 20 µm in d, e. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa
Text-fig. 3. Cercidiphyllum cf. alalongum R.A.SCOTT et E.A.WHEELER, UF 279-24543. a, b: Diffuse-porous wood, exclusively solitary vessels, axial parenchyma rare, thick-walled fibers, TS. c: Scalariform perforation plate with more than 30 bars, RLS. d: Helical thickenings (HT) in vessel element tip, RLS. e: Opposite to scalariform intervessel pits, RLS. f, g: Heterocellular rays 1–2 cells wide, occasionally uniseriate and biseriate portions of similar width, TLS. h: Ray with alternating rows of procumbent and upright (-square) cells, RLS. Scale bars: 200 µm in a; 100 µm in b, f; 50 µm in c, g, h; 20 µm in d, e.Published as part of Wheeler, Elisabeth A. & Manchester, Steven R., 2021, A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa, pp. 299-329 in Fossil Imprint 77 (2) on page 305, DOI: 10.37520/fi.2021.022, http://zenodo.org/record/716758
Text-fig. 6. Quercus sp. Red Oak, UF 279-24550. a, b: Wood semi-ring-porous to diffuse-porous; vessels exclusively solitary; thinwalled tyloses in wide vessels; diffuse, diffuse-in-aggregates axial parenchyma; rays of two distinct sizes. TS. c: Rays of two distinct sizes, TLS. d: Vessel-vasicentric tracheid pitting, RLS. e: Vessel-ray parenchyma pitting with reduced borders, vertically elongate, RLS. f: Narrow rays 1-2 cells wide, TLS. g: Ray composed of procumbent cells, RLS. Scale bars: 200 µm in a, b, c; 50 µm in d, f, g; 20 µm in e. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa
Text-fig. 6. Quercus sp. Red Oak, UF 279-24550. a, b: Wood semi-ring-porous to diffuse-porous; vessels exclusively solitary; thinwalled tyloses in wide vessels; diffuse, diffuse-in-aggregates axial parenchyma; rays of two distinct sizes. TS. c: Rays of two distinct sizes, TLS. d: Vessel-vasicentric tracheid pitting, RLS. e: Vessel-ray parenchyma pitting with reduced borders, vertically elongate, RLS. f: Narrow rays 1-2 cells wide, TLS. g: Ray composed of procumbent cells, RLS. Scale bars: 200 µm in a, b, c; 50 µm in d, f, g; 20 µm in e.Published as part of Wheeler, Elisabeth A. & Manchester, Steven R., 2021, A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa, pp. 299-329 in Fossil Imprint 77 (2) on page 311, DOI: 10.37520/fi.2021.022, http://zenodo.org/record/716758
Quinquala obovata MANCHESTER et DISNEY 2020, sp. nov.
<i>Quinquala obovata</i> MANCHESTER et DISNEY sp. nov. <p>Text-figs 2, 3a–g, i, j, 4</p> <p>H o l o t y p e. UF 19376-60038 (Text-fig. 2a) housed in</p> <p>Florida Museum of Natural History, Gainesville, USA.</p> <p>P a r a t y p e s. UF 19376-60023a (Text-fig. 2b), UF 19374-60339 (Text-fig. 2c), UF 19376-60050 (Text-fig. 2d), UF 19374-61756 (Text-fig. 2e), UF 19376-60067 (Textfig. 2f, p), UF 19376-60069 (Text-figs 2i, 3e), UF 19376- 60072 (Text-fig. 2j), UF 19376-60062 (Text-figs 2l, 3f), UF 19374-60403 (Text-fig. 2m), UF 19376-60023b (Textfig. 3a), UF 19376-60023c (Text-fig. 3b), UF 262-17690 (Text-fig. 3c, g), UF 229-53091 (Text-fig. 3d) housed in Florida Museum of Natural History, Gainesville, USA.</p> <p>P l a n t F o s s i l N a m e s R e g i s t r y N u m b e r.</p> <p>PFN001528 (for new species).</p> <p> E t y m o l o g y. The epithet, <i>obovata</i> refers to the fruit shape.</p> <p>T y p e l o c a l i t y. Kisinger Lakes, northwestern</p> <p>Wyoming, USA (UF 19376: N 43° 42.056′, W 109° 52.918′).</p> <p>T y p e h o r i z o n a n d a g e. Tepee Trail Formation,</p> <p>Eocene.</p> <p>A d d i t i o n a l l o c a l i t i e s. Kisinger Lakes (UF 19374: N 43° 42′ 01.9″, W 109° 52′ 44.9″; UF 19375: N 43° 42′ 03.0″, W 109° 52′ 53.3″), West Branch Creek, northcentral Oregon, USA (UF 229: N 44° 34′ 53.40″, W 120° 15′ 57.31″; UF 230: N 44° 35′ 25.31″, W 120° 15′ 27.83″; Eocene Clarno Formation), White Cliffs, northcentral Oregon (UF 262: N 44° 44.302′, W 120° 28.376′; Eocene Clarno Formation).</p> <p>D i a g n o s i s. Fruits single, obovate, 1.1–1.7 times longer than wide. Fruit apex rounded, without a stylar protrusion. Base cuneate and rounded, margins entire. Locular area oblanceolate. Five thick longitudinal wings, veins obscure. Wing and fruit body dotted with circular glands. Fruit borne on pedicel with prominent perianth scar at the junction of pedicel and fruit base. Narrow disk scar located immediately below the perianth scar.</p> <p>D e s c r i p t i o n. Fruits single, obovate, 9–15 mm long and 6–11 mm wide with a length/width ratio of 1.1–1.7, avg. 1.4. Fruit apex rounded, without a stylar protrusion. Base cuneate and rounded, margins entire. Locular area oblanceolate. Five thick longitudinal wings, veins obscure. Wing and fruit body dotted with circular glands 80–110 μm, avg. 100 μm diameter. Fruit borne on pedicel 10–13 mm long and 0.6–1.3 mm thick, with prominent perianth scar at the junction of pedicel and fruit base. Narrow disk scar located immediately below the perianth scar.</p>Published as part of <i>Manchester, Steven R., Disney, Kory A. & Pham, Kasey K., 2020, Winged Fruits Of Rutaceous Affinity From The Eocene Of Western North America, pp. 211-216 in Fossil Imprint 76 (2)</i> on page 213, DOI: 10.37520/fi.2020.018, <a href="http://zenodo.org/record/5386172">http://zenodo.org/record/5386172</a>
- …
