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Cruciplacolithus

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Journal Article
Journal: Paleobiology
Published: 01 July 1996
Paleobiology (1996) 22 (3): 352-385.
Image
All Figures ×2000, from Gebel El Mishiti  1  <b>Cruciplacolithus</b> tenuis  (Stra...
Published: 01 January 2007
PLATE 1 All Figures ×2000, from Gebel El Mishiti 1 Cruciplacolithus tenuis (Stradner 1961) Hay and Mohler in Hay et al. 1967 . Sample No. 49, Chiasmolithus danicus Zone. 2 Chiasmolithus danicus (Brotzen 1959) Hay and Mohler 1967 . Sample No. 54, Discoaster lodoensis Zone. 3
Journal Article
Published: 01 July 2000
Micropaleontology (2000) 46 (3): 277-283.
...Hartmut Mai Abstract The same specimens of Neobiscutum romeinii, Neobiscutum parvulum and Cruciplacolithus primus, with an average size of 2.0 mu m and deriving from the "type locality" of the Maastrichtian stage at ENCI quarry near Maastricht, The Netherlands, were documented both under the light...
Journal Article
Published: 01 September 1998
Bulletin de la Société Géologique de France (1998) 169 (5): 709-723.
.... parvulum. Cruciplacolithus primus and Futyania petalosa and planktonic foraminiferal zones. Latest Maastrichtian assemblages are abundant and diverse, coccolithophores did not seem to be in decline in the latest Maastrichtian, though periods of stress are indicated by peaks in relative abundance of Micula...
Journal Article
Published: 01 January 2007
Micropaleontology (2007) 53 (1-2): 127-144.
...PLATE 1 All Figures ×2000, from Gebel El Mishiti 1 Cruciplacolithus tenuis (Stradner 1961) Hay and Mohler in Hay et al. 1967 . Sample No. 49, Chiasmolithus danicus Zone. 2 Chiasmolithus danicus (Brotzen 1959) Hay and Mohler 1967 . Sample No. 54, Discoaster lodoensis Zone. 3...
FIGURES | View All (9)
Journal Article
Published: 01 January 2003
Micropaleontology (2003) 49 (2): 189-195.
...Hartmut Mai; Robert P. Speijer; Peter Schulte Abstract The calcareous nannofossil species Neobiscutum romeinii , N. parvulum, and Cruciplacolithus primus , are considered in modern zonation schemes as index species for the lowermost Paleocene. Our studies, however, reveal that they are consistently...
FIGURES
Journal Article
Published: 01 April 2001
Micropaleontology (2001) 47 (2): 144-154.
... this interval, an additional horizon with numerous intact coccospheres was discovered. Among the 32 coccolithophorid species from this upper horizon, three are new: Cruciplacolithus filigranus n. sp., Prinsius scissuratus n. sp. and Prinsius simplex n. sp. The airshaft horizon is furthermore marked by a bloom...
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Katharina in typical discursive mode, Chateau de Blagnac France September 1...
Published: 01 May 2009
Fig. 1. Katharina in typical discursive mode, Chateau de Blagnac France September 1999, flanked by two of the many species she described: Micula prinsii and Cruciplacolithus primus , markers for the latest Maastrichtian and earliest Danian, respectively.
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Brazos River , Texas, USA, Core 2, sample 1
 1  Neobiscutum romeinii , prox...
Published: 01 January 2003
PLATE 1 Brazos River , Texas, USA, Core 2, sample 1
 1 Neobiscutum romeinii , proximal 2.5μm
 2 Neobiscutum parvulum , distal 2.3μm
 3 Cruciplacolithus primus , proximal 3.3μm
 Antioch Church , Alabama, USA, Core, sample 40
 4 Neobiscutum romeinii , proximal 2.4μm
 5 Neobiscutum parvulum
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Figure 4. Calcareous nannofossil biostratigraphy of the Ardo section. FO—fi...
Published: 01 March 2007
Figure 4. Calcareous nannofossil biostratigraphy of the Ardo section. FO—first occurrence; LO—last occurrence; LRO—last rare occurrence. K/T—Cretaceous-Tertiary boundary; M .— Micula ; D .— Discoaster ; H .— Heliolithus ; C .— Cruciplacolithus ; T .— Tribrachiatus .
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Figure 6. Calcareous nannofossil biostratigraphy of the Forada section. FO—...
Published: 01 March 2007
Figure 6. Calcareous nannofossil biostratigraphy of the Forada section. FO—first occurrence; LO—last occurrence; LRO—last rare occurrence; BEE—benthic extinction event. CMU—clay marl unit; K/T—Cretaceous-Tertiary boundary; M .— Micula ; D .— Discoaster ; H .— Heliolithus ; C .— Cruciplacolithus
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Figure 1. Percentages of Cretaceous, survivor, and Cenozoic calcareous nann...
in > Geology
Published: 01 August 2005
) , and numbered bioevents are as follows: (1) presence of Micula prinsii ; (2) calcisphere abundance increases; (3) first occurrence of (FO) Neobiscutum ; (4) FO Cruciplacolithus primus ; (5) FO Cruciplacolithus intermedius ; (6) abundant Futyania petalosa .
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The results of the PDM for six nannofossil taxa that originated in the earl...
Published: 08 July 2014
Figure 8. The results of the PDM for six nannofossil taxa that originated in the early Paleogene: Coccolithus , Cruciplacolithus intermedius , Cr. primus , Futyania , Neobiscutum , and Prinsius . The histograms of all possible original first occurrences are shown for Shatsky Rise (light
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Figure 2. Abundances of principal survivor and incoming Cenozoic nannofossi...
in > Geology
Published: 01 August 2005
, Zeugrhabdotus sigmoides , Neobiscutum parvulum , Cruciplacolithus primus , Coccolithus pelagicus .
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FIGURE 6 —Detrended correspondence analysis plot of taxon scores for indivi...
in > PALAIOS
Published: 01 April 2008
sample at site 528. These taxa never constituted >2% of the abundance in any given sample; Ch = Chiasmolithus ; Co = Coccolithus ; Cr = Cruciplacolithus ; El = Ellipsolithus ; F = Fasciculithus ; Pl = Placozygus ; Pr = Prinsius ; Sp = Sphenolithus ; Th = Thorascosphaera ; To = Toweius ; Zy
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Figure 7. The simplified stratigraphy of the sections studied here (located...
Published: 01 March 2007
extinction event; CMU—clay marl unit; K/T—Cretaceous-Tertiary boundary; M .— Micula ; D .— Discoaster ; H .— Heliolithus ; C .— Cruciplacolithus ; T .— Tribrachiatus .
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Correlation of environmental proxies to Deccan volcanism and the La2010b or...
in > Geology
Published: 12 December 2017
. prinsii — Micula prinsii ; Cr. primus — Cruciplacolithus primus . C: Timing of Deccan volcanism, with formation (Fm) volumes calculated by the equal area method (gray), variable area method (red), and red bole distribution illustrated as a black line, using Ar-Ar ages in Renne et al. (2015) . U-Pb age
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Figure 3. Calcareous nannofossil images from the Paleogene Kilwa Group. Sca...
Published: 01 January 2008
Paleocene, Sample TDP16B/12-2, 9 cm). (I–L) Collapsed coccospheres. (I) Cruciplacolithus inseadus , a species only previously known from the Danian but found in all our SEM samples (late Paleocene, Sample TDP16B/12-2, 9 cm). (J) Neochiastozygus imbriei grouping, most likely a collapsed coccosphere
Journal Article
Journal: PALAIOS
Published: 01 April 2008
PALAIOS (2008) 23 (4): 185-194.
... sample at site 528. These taxa never constituted >2% of the abundance in any given sample; Ch = Chiasmolithus ; Co = Coccolithus ; Cr = Cruciplacolithus ; El = Ellipsolithus ; F = Fasciculithus ; Pl = Placozygus ; Pr = Prinsius ; Sp = Sphenolithus ; Th = Thorascosphaera ; To = Toweius ; Zy...
FIGURES | View All (13)
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(The scale bar for all photographs equal approximately to 2 μm.  XPL=cross-...
Published: 01 January 2006
PLATE 1 (The scale bar for all photographs equal approximately to 2 μm. XPL=cross-polarized light; TL= transmitted light. All photographs were taken from Gebel Serai section) 1 Cruciplacolithus tenuis , sample 7, Zone Np7/8, XPL. 2–5 Sullivania consueta, Zone NP10a; 2–3, sample 76; 4–5