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Trinacria

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figs 1–15.  Diatoms and problematica:  1, 2,  cf.  <b>Trinacria</b>  sp. or cf.  A...
Published: 01 May 2009
Explanation of Plate 1. figs 1–15. Diatoms and problematica: 1, 2, cf. Trinacria sp. or cf. Amphitetras sp. (cf. ? Triceratium sp.). The framboids are clearly visible; because they have not completely grown together, a pseudoreticulum is built. Some pores can be recognized (31.8-115.5
Journal Article
Published: 01 September 1983
Journal of Paleontology (1983) 57 (5): 883-891.
...Thomas J. Bergstresser; William N. Krebs Abstract Late Cretaceous (Campanian-Maastrichtian) diatoms found in the Pierre Shale of Wyoming, Colorado and Kansas are pyritized and appear to represent the genera Actinoptychus, Coscinodiscus, Trinacria, Endictya? and Gladius?. Three unidentifiable forms...
Journal Article
Published: 01 May 2009
Journal of Micropalaeontology (2009) 28 (1): 45-52.
...Explanation of Plate 1. figs 1–15. Diatoms and problematica: 1, 2, cf. Trinacria sp. or cf. Amphitetras sp. (cf. ? Triceratium sp.). The framboids are clearly visible; because they have not completely grown together, a pseudoreticulum is built. Some pores can be recognized (31.8-115.5...
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Series: Geological Society, London, Special Publications
Published: 01 January 2004
DOI: 10.1144/GSL.SP.2004.230.01.14
EISBN: 9781862394780
.... 13. Trinacria excavata, Ailly, sample 43.5, SEM. Internal mould. Fig. 14. Aulacodiscus sp. 2, Ailly, sample 41, SEM. Internal mould. Fig. 15. Aulacodiscus subexcavatus, Ailly, sample 43.5, SEM. Internal mould. Changes in the diatom assemblages permit establishment of a preliminary...
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Journal Article
Published: 01 June 2014
Italian Journal of Geosciences (2014) 133 (2): 200-203.
.... The preserved part of the ventral margin of the corpus is straight, while most of the extant Lutrinae show a more or less marked elevation of this margin in the angular region. The ramus is dorsoventrally quite short and oriented slightly posteriorly, resembling the shape of L. trinacriae (B urgio & F...
FIGURES
Journal Article
Published: 01 February 2012
Journal of Micropalaeontology (2012) 31 (1): 95-96.
... engaged in promoting the public understanding of science for many years. John has had eight diatoms named for him: Hyalodiscus barronii Hajós, 1979; Craspedodiscus barronii Bukry, 1984; Actinocyclus barronii Radionova, 1985; Azpeitia barronii Fryxell & Watkins, 1986; Trinacria barronii...
Journal Article
Published: 01 January 2014
Journal of Micropalaeontology (2014) 33 (1): 95-103.
... the species Actinomma trinacria and Actinomma boreale , where he agrees with Jørgensen (1905) and suggests that these taxa should be kept separate, and to ignore Schröder’s (1909) opinion: According to Schröder, this species ( Actinomma trinacria ) could also be a juvenile stage of Cromyechinus...
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Series: The Micropalaeontological Society, Special Publications
Published: 01 January 2010
DOI: 10.1144/TMS004.9
EISBN: 9781862396227
... and Trinacria regina , species that also dominate age-equivalent strata in the North Sea Basin, Denmark and elsewhere ( Mitlehner 1994, 1996 ). These enable the assemblage to be placed within the Paleocene-Eocene boundary interval, equivalent to Nanno-plankton Zones NP9-10. A more precise age determination...
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Journal Article
Published: 13 May 2016
Journal of the Geological Society (2016) 173 (6): 889-900.
... feeders, either byssate- ( Trinacria media ) or cemented-epifaunal ( Cubitostrea cubitus ), with only rare infauna ( Cyclocardia pulchra ). A few species were found throughout the study interval, but the majority are either middle Lutetian or lower Bartonian. Potamides lapidorum is abundant...
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Series: The Micropalaeontological Society, Special Publications
Published: 01 January 2010
DOI: 10.1144/TMS004.11
EISBN: 9781862396227
... occurrence of the bivalve Trinacria deltoi-dea laevigata (Mayer) (in earlier literature identified as T. curvirostris Cossmann). This bed has been identified at Lyndhurst Hill (the ‘Venus Bed’ of Stinton 1970 ), at Roydon, in the Ramnor BH, the Gurnard BH and at Whitecliff Bay (bed Q of Stinton 1971...
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Series: AAPG Memoir
Published: 01 January 2003
DOI: 10.1306/M77973
EISBN: 9781629810041
... the simple circular shapes and the complexly patterned, radially arranged, sieve-like pore structure. PPL, HA = 0.51 mm Recent sediment, Florida Close-up view of two specimens of a centric diatom, Trinacria excavata . The triangular shapes of these grains are common diatom growth forms...
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Journal Article
Journal: Geosphere
Published: 01 October 2013
Geosphere (2013) 9 (5): 1286-1302.
..., 2006 , Plate 8, fig. 1 ( Plate 2 , images. 4, 7 herein). Note: First recorded occurrence in East Coast Miocene sections. Trinacria solnoceros (Ehrenberg) VanLandingham; Andrews, 1988a , Plate 8, figs. 6–8 ECDZ 1: Actinoptychus heliopelta Assemblage Zone Denticulopsis lauta (Bailey...
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Journal Article
Published: 01 December 2008
Bulletin of the Seismological Society of America (2008) 98 (6): 2795-2805.
.... Abstr. 8 , 10 , 558 (European Geosciences Union 2006). Bottone D. ( 1718 ). De immani Trinacriae terraemotu , Idea historico-physica, in qua non solum telluris concussiones transactae recensentur, sed novissimae anni 1717, Messina . Bozzano F. Chiocci F. L. Mazzanti P...
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Journal Article
Published: 01 January 2005
Rocky Mountain Geology (2005) 40 (1): 1-24.
... is a widespread marine genus, known from the late Cretaceous to Holocene in neritic and oceanic environments ( Sims, 1989 ; Markarova, 1993 ; Strelnikova et al., 1998 ). Expected normal-marine assemblages would also include Hemiaulus, Trinacria, Sheshukovia, and Stephanopyxis (e.g., Harwood, 1988 ; Fenner...
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Journal Article
Published: 01 November 2006
Journal of Paleontology (2006) 80 (6): 1125-1141.
FIGURES | View All (5)
Series: Geological Society, London, Special Reports
Published: 01 January 2016
DOI: 10.1144/SR27.15
EISBN: 9781862397071