Rotalipora cushmani

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... The highest stages of the stratigraphic range of the planktonic foraminiferal Rotalipora cushmani were investigated in a 313-k.y.-long interval of the classical Tethyan Bottaccione section (Gubbio, Italy), the type locality of the C org- rich Bonarelli Level, which is the sedimentary...
Planktonic foraminifera of Late Cenomanian  <b>Rotalipora</b> <b>cushmani</b>  zone: (1) ...
in > GeoArabia
Published: 01 April 2012
Figure 5e: Planktonic foraminifera of Late Cenomanian Rotalipora cushmani zone: (1) Dicarinella imbricata (Admir); (3 and 15) foraminifera sp. (Admir); (2 and 14) Heterohelix reussi (Zbeideh); (4 and 20) Whiteinella baltica (Zbeideh); (5) Praeglobotruncana gibba (Admir); (6
Journal Article
Journal: AAPG Bulletin
Published: 01 March 1966
AAPG Bulletin (1966) 50 (3): 631.
... was studied at Chispa Summit in Jeff Davis County, at Lozier Canyon near Langtry, at Sycamore Canyon near Del Rio, on Bouldin Creek in Austin, at Atco near Waco, and at the type locality at Dallas. Previously, Eaglefordian strata in Texas and Mexico were included in the Rotalipora cushmani-greenhornensis...
Series: Geological Society, London, Special Publications
Published: 01 January 2013
DOI: 10.1144/SP382.7
EISBN: 9781862396463
... towards the end of the δ 13 C plateau, below the FO of the nannofossil Quadrum gartneri . The OAE2 covers the interval between UC4 and up to the lower part of the UC7 calcareous nannofossil zones, as well as the upper part of the Rotalipora cushmani and the main part of the Whiteinella archaeocretacea...
FIGURES | View All (6)
Journal Article
Published: 01 October 1999
Journal of Foraminiferal Research (1999) 29 (4): 318-339.
... identified range from the Globigerinelloides blowi Zone to the Dicarinella algeriana Subzone of the Rotalipora cushmani Zone. Within this biostratigraphic interval, the Ticinella bejaouaensis and Hedbergella planispira Zones at the Aptian/Albian boundary are missing as are the Rotalipora subticinensis...
Series: GSA Memoirs
Published: 01 January 1969
DOI: 10.1130/MEM111-p1
.... Assemblage Zone: Rotalipora evoluta Subzone to Rotalipora cushmani - greenhornensis Subzone. Late Washitian to early Eagle-fordian (early to late Cenomanian). (2) The Marginotruncana helvetica Assemblage Zone: Marginotruncana sigali Subzone to Whiteinella archaeocretacea Subzone. Middle to late...
Journal Article
Published: 01 April 2017
Journal of Foraminiferal Research (2017) 47 (2): 105-128.
... (GSSP) in Pueblo, CO, the microfossil bioevents across this interval can be summarized as follows: 1) a benthic foraminiferal acme known as the “Benthonic Zone,” 2) onset of the OAE2 CIE, 3) highest occurrence of Rotalipora cushmani and Thalmanninella greenhornensis , 3) a biserial planktic acme...
FIGURES | View All (14)
Journal Article
Published: 15 May 2009
Geological Magazine (2009) 146 (5): 625-637.
... for international correlation. The last occurrences of (1) Corolithion kennedyi , (2) Rotalipora greenhornensis , (3) Axopodorhabdus albianus , (4) Rotalipora cushmani , (5) Lithraphidites acutus , (6) Microstaurus chiastius and (7) the first occurrence of Quadrum gartneri . At the Coniacian–Santonian boundary only...
Journal Article
Journal: AAPG Bulletin
Published: 01 January 1976
AAPG Bulletin (1976) 60 (1): 87-107.
... in age from earliest Cenomanian (Washitan) to early Turonian (Eaglefordian), and contains the following planktonic foraminiferal zones: Rotalipora greenhornensis/Praeglobotruncana delrioensis Zone, Rotalipora cushmani Zone, and Marginotruncana helvetica Zone. Its age equivalents in outcrop are the upper...
FIGURES | View All (9)
Journal Article
Published: 11 April 2019
Geological Magazine (2019) 156 (11): 1877-1891.
... amphibolum Zone, the lower upper Cenomanian Eucalycoceras pentagonum Zone and finally the lower Turonian Pseudaspidoceras flexuosum Zone. The foraminiferan biozones are respectively: Thalmanninella brotzeni Zone, Thalmanninella reicheli Zone, Rotalipora cushmani Zone, Whiteinella archaeocretacea Zone...
FIGURES | View All (10)
Journal Article
Published: 01 January 2015
Journal of Foraminiferal Research (2015) 45 (1): 42-81.
... in the planktic foraminiferal Rotalipora cushmani Zone (latest Cenomanian), Helvetoglobotruncana helvetica Zone (early Turonian), and at the Helvetoglobotruncana helvetica-Marginotruncana schneegansi zonal boundary (middle Turonian). 3 Correspondence author. E-mail: sjh2c4@mail.missouri.edu 04 11...
FIGURES | View All (25)
Series: Geological Society, London, Special Publications
Published: 01 January 2004
DOI: 10.1144/GSL.SP.2004.230.01.10
EISBN: 9781862394780
..., it has been traced throughout the United Kingdom and northern France. In stratigraphically complete successions it is coincident with the base of the Rotalipora cushmani Taxon Range Zone, although in many areas there is a major hiatus (= sequence boundary?) at this level. In more marginal successions...
FIGURES | View All (10)
Journal Article
Published: 01 February 1988
Canadian Journal of Earth Sciences (1988) 25 (2): 316-342.
... planktonic foraminifer, Rotalipora cushmani , in association with three other keeled species, suggests an east–west marine connection between the eastern Pacific and Western Interior. This interpretation is consistent with the facies model described by Kauffman, the paleogeographic model developed...
Journal Article
Journal: AAPG Bulletin
Published: 01 September 1985
AAPG Bulletin (1985) 69 (9): 1428.
... primarily of Hedbergella amabilis Loeblich and Tappan, H. brittonensis Loeblich and Tappan, H. delrioensis (Carsey), H. planispira (Tappan), H. simplex (Morrow), Rotalipora cushmani (Morrow), R. montsalvensis Mornod, R. brotzeni (Sigal), and R. greenhornensis (Morrow), although Heterohelix occur...
Journal Article
Published: 01 July 1971
Journal of Foraminiferal Research (1971) 1 (3): 119-121.
...M. Owen Abstract Systematic descriptions, C. plenus n. sp., Cribropleurostomellinae n. subfam., Cenomanian-Turonian boundary redefined at the extinction of Rotalipora cushmani in Actinocamax plenus subzone, Cretaceous GeoRef, Copyright 2008, American Geological Institute. 1971 ...
Journal Article
Published: 01 April 2007
Journal of Foraminiferal Research (2007) 37 (2): 160-174.
... in the Cushman Collection of the Smithsonian National Museum of Natural History (NMNH) with the collection number of USNM 75378. As this specimen co-occurs with Rotalipora cushmani ( Morrow, 1934 ) (= Globorotalia cushmani Morrow, 1934 ), the type level is within the R. cushmani Zone. Scanning electron...
FIGURES | View All (5)
Journal Article
Published: 01 October 2006
Journal of Foraminiferal Research (2006) 36 (4): 374-378.
...) . These assemblages have distinct stratigraphic ranges as shown by the levels marked by the dashed lines and stars in Figure 1 : Star 1 corresponds to the Thalmanninella reicheli type level. This rich assemblage precedes the level with the first occurrence (FO) of Rotalipora cushmani , and it belongs to the Th...
Journal Article
Published: 01 November 2004
Bulletin de la Société Géologique de France (2004) 175 (6): 561-572.
... for this sort of study because major oceanic changes, including the global expansion of the oxygen minimum zone, are recognised across OAE2 event, involving the disappearance of Rotalipora , complex keeled foraminifera which previously occupied deep oceanic waters. Biostratigraphic data coupled with bentonite...
Comparison between  <b>Rotalipora</b> deeckei  (Franke) and  <b>Rotalipora</b> greenhorne...
Published: 01 April 2007
PLATE 4 Comparison between Rotalipora deeckei (Franke) and Rotalipora greenhornensis (Morrow). 1 Rotalipora deeckei (Franke): (a) spiral, (b) edge and (c) umbilical views; USNM 531410; ODP Sample 1050C-21R-1, 135–136 cm; Rotalipora cushmani Zone. 2 Rotalipora deeckei (Franke
Planktonic foraminifera of late Middle Cenomanian  <b>Rotalipora</b> greenhornensi...
in > GeoArabia
Published: 01 October 2013
Figure 18: Planktonic foraminifera of late Middle Cenomanian Rotalipora greenhornensi Subzone ( Rotalipora cushmani Zone) (as = axial section; sas = subaxial section; ts = transversal section). (1) Rotalipora greenhornensis , [as] (SB). (2) Muricohedbergella delrioensis , [as] (SB). (3