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Operculinoides

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Journal Article
Published: 01 January 1983
Bulletin de la Société Géologique de France (1983) S7-XXV (6): 885–888.
... microfossils Miocene Neogene Operculinoides cojimarensis Paraspiroclypeus chawneri Pliocene Protista stratigraphy Tertiary ...
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1  Heterostegina <b>operculinoides</b> and Parasorites orbitolitoides on encrusted...
Published: 01 January 2010
F igure 3. 1 Heterostegina operculinoides and Parasorites orbitolitoides on encrusted coral rubble. 2 Carterina spiculotesta on encrusted coral rubble. 3 Cornuspiramia antillarum on Lobophora variegata. 4 Reproduction of Marginopora vertebralis on a seagrass leaf (Halodule uninervis
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Planostegina <b>operculinoides</b> ; relation between test diameter and test thick...
Published: 01 January 2004
TEXT-FIGURE 8 Planostegina operculinoides ; relation between test diameter and test thickness for different samples. Regression by power function: broken line – using the average of species ( a k ) as the integrative constant, full line – using the average over all species
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1–6  Planostegina  aff.  P. <b>operculinoides</b>  (Hofker).  1, 3, 5  photomicrog...
Published: 01 January 2000
PLATE 3 1–6 Planostegina aff. P. operculinoides (Hofker). 1, 3, 5 photomicrographs. 2, 4, 6 X-ray micrographs. 7–12 Planostegina operculinoides (Hofker). 7, 9, 11 photomicrographs. 8, 10, 12 X-ray micrographs. 13–18 Planoperculina heterosteginoides (Hofker). 13, 15, 17
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Fig. 1.— <b>Operculinoides</b> wilcoxi  (Heilprin). Surface view, ×17.8. From shal...
Published: 01 August 1938
PLATE 3. Fig. 1.— Operculinoides wilcoxi (Heilprin). Surface view, ×17.8. From shallow road cut on north side of Highway 19, 3 1 2 miles west of the junction of Highway 19 with Highway 5 in the town of Williston, Florida, immediately in front of the residence of W. M. Adams on his
Journal Article
Published: 01 January 2000
Journal of Foraminiferal Research (2000) 30 (1): 3–28.
...PLATE 3 1–6 Planostegina aff. P. operculinoides (Hofker). 1, 3, 5 photomicrographs. 2, 4, 6 X-ray micrographs. 7–12 Planostegina operculinoides (Hofker). 7, 9, 11 photomicrographs. 8, 10, 12 X-ray micrographs. 13–18 Planoperculina heterosteginoides (Hofker). 13, 15, 17...
FIGURES | View All (12)
Journal Article
Published: 01 January 2004
Micropaleontology (2004) 50 (2): 149–177.
...TEXT-FIGURE 8 Planostegina operculinoides ; relation between test diameter and test thickness for different samples. Regression by power function: broken line – using the average of species ( a k ) as the integrative constant, full line – using the average over all species...
FIGURES | View All (19)
Journal Article
Published: 01 October 2003
Journal of Foraminiferal Research (2003) 33 (4): 277–284.
... characterized by septate chambers ( Heterostegina depressa, Planostegina operculinoides , and Cycloclypeus carpenteri ) either group with species lacking septate chambers ( Operculina ammonoides, Nummulites venosus ) or branch separately. This suggests that chamber subdivisions developed several times...
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Journal Article
Journal: PALAIOS
Published: 01 February 2001
PALAIOS (2001) 16 (1): 53–72.
... of transport to the deepest zone as the result of high buoyancy. The deepest-living species in this study, Planostegina operculinoides (Hofker), is not transported, but accumulates under conditions of reduced sedimentation. The complex slope topography, combined with the exposure of the coast to tropical...
FIGURES | View All (9)
Journal Article
Journal: GSA Bulletin
Published: 01 September 1987
GSA Bulletin (1987) 99 (3): 427–439.
... foraminifers. The middle member is essentially Operculinoides biomicrite and is slightly <12 m thick. The upper member is Amphistegina -algal biomicrite, and its thickness is estimated to be 44 ± 4 m. The threefold subdivision has been recognized throughout the outcrop belt of the formation from the west...
Journal Article
Journal: AAPG Bulletin
Published: 01 January 1972
AAPG Bulletin (1972) 56 (1): 114–127.
... and limestones near Windward village contain a Miogypsina panamensis fauna and are succeeded by the mainly volcanic Belmont Formation, with the Kendace Calcareous Siltstone Member at the top. The overlying limestones of the Carriacou Formation (late early Miocene) contain a Miogypsina siaufferi/Operculinoides...
FIGURES | View All (6)
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1971
AAPG Bulletin (1971) 55 (2): 227–240.
...” and Nummulites (“Camerina”) operculinoides zones. Some deep tests have been disappointing failures because they were located on young structures. Others have encountered buried faults and related deep sandstones, or unexpected shallow productive sandstones—finds which encourage additional drilling. Production...
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Journal Article
Published: 01 November 1962
Journal of Paleontology (1962) 36 (6): 1363–1367.
... with this marker is Discorbis crosbiei, n. sp. The zone marked by these forms lies stratigraphically between the Cibicides opima Zone above and the Operculinoides sp. Zone below. It can be traced across Louisiana from the vicinity of Lake Pontchartrain westward to Cameron Parish. Offshore it has been noted...
Journal Article
Journal: AAPG Bulletin
Published: 01 October 1962
AAPG Bulletin (1962) 46 (10): 1968.
... carstensi opima and Amphistegina “B” zones and above the Operculinoides sp. zone. The Amphestegina “B” fauna generally occurs 100 to 200 feet above the Robulus “43” zone, but tends to climb stratigraphically in the section along strike and to the southwest. Since Robulus “43” shows less stratigraphic...
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—All figures after Donald W. Gravell and Marcus A. Hanna, “The  Lepidocycli...
Published: 01 September 1944
PLATE 1. —All figures after Donald W. Gravell and Marcus A. Hanna, “The Lepidocyclina texana Horizon in the Heterostegina Zone Upper Oligocene, of Texas and Louisiana,” Jour. Paleon. , Vol. 11, No. 6 (September, 1937). Fig. 1.— Operculinoides howei Gravell and Hanna. Syntype, thin section
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Competition between  Operculina ammonoides – O. complanata,  and between  P...
Published: 01 January 2004
F igure 16. Competition between Operculina ammonoides – O. complanata, and between Planostegina longisepta–P. operculinoides at the northern transect of Sesoko Island.
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Correlation between characters in the species  Operculina ammonoides  with ...
Published: 01 January 2004
TABLE 10 Correlation between characters in the species Operculina ammonoides with strong depth dependence of some characters, and Planostegina operculinoides with no depth dependence. Comparison of correlation matrices based on Pearson’s correlation coefficient with partial correlation
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—Facies map of horizon g. Offshore foraminiferal micrite is being deposited...
Published: 01 April 1975
Fig. 21. —Facies map of horizon g. Offshore foraminiferal micrite is being deposited over entire Zelten area. Foraminifers representing deeper water conditions, alveolinids and Operculinoides , are more common. In overlying Meghil Member Discocyclina , represented by small species
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FIGURE 7 —Accumulation of tests by reduced sedimentation, exemplified throu...
in > PALAIOS
Published: 01 February 2001
rate using formula 5 (see text) and statistical fit by logistic function. (B) Depth distributions of living individuals and empty tests of Planostegina operculinoides using accumulation by reduced sedimentation rates
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—Diagrammatic restorations of Kingshill depositional basin.       A , Durin...
Published: 01 March 1978
FIG. 9 —Diagrammatic restorations of Kingshill depositional basin. A , During deposition of major part of Kingshill Limestone. Molluscan packstone, lithic-foraminiferal grainstone, and polymictic packstone facies are being deposited. B , Near close of deposition, showing Operculinoides