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Venericardia

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Journal Article
Published: 14 October 2015
Journal of Paleontology (2015) 89 (3): 522–531.
...Kate J. McClure; Rowan Lockwood Abstract Despite the abundance and diversity of Venericardia bivalves on the U.S. Coastal Plain during the Paleogene, the evolutionary relationships within the genus remain unresolved. The primary objectives of this study were to reconstruct a phylogeny...
FIGURES | View All (5)
Journal Article
Published: 01 January 2004
Journal of Sedimentary Research (2004) 74 (1): 7–19.
...Linda C. Ivany; Bruce H. Wilkinson; Kyger C. Lohmann; Emily R. Johnson; Brandon J. McElroy; Gregory J. Cohen Abstract Stable-isotope compositions were determined for 166 microsamples of aragonite from the bivalve Venericardia hatcheplata collected from the early Eocene Hatchetigbee Formation...
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Journal Article
Journal: Geology
Published: 01 August 1999
Geology (1999) 27 (8): 711–714.
... of high-resolution drilling techniques in Nummulites , we show that both N. laevigatus and coeval bivalve Venericardia planicosta from the Lutetian of Hampshire, United Kingdom (ca. 50–42.5 Ma), underwent strong, annual alternations in carbon and oxygen isotopes, possibly reflecting tolerance of broad...
Journal Article
Published: 01 July 1968
Journal of Paleontology (1968) 42 (4): 955–986.
...Richard A. Park Abstract Study of six subgenera of Venericardia from the Cenozoic of the Atlantic and Gulf Coastal Province indicates that each subgenus has its own characteristic ecology and that some subgenera have undergone changes in ecology during Cenozoic time. This study was based on 198...
Image
( 1–3 )  <b>Venericardia</b> natchitoches  Harris, 1910, USNM
              646148...
Published: 14 October 2015
Figure 4 ( 1–3 ) Venericardia natchitoches Harris, 1910, USNM 646148, hypotype, middle Eocene, St. Augustine, Texas, left valve; ( 1 ) internal view, 1.6×; ( 2 ) external view, 1.5×; ( 3 ) anterior view, 2×; ( 4–6 ) Venericardia alticostata (Conrad
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Variation in δ 18 O of  <b>Venericardia</b>  carbonate sequentially sampled in dir...
in > Geology
Published: 01 August 2011
Figure 1. Variation in δ 18 O of Venericardia carbonate sequentially sampled in direction of shell growth. Shells are arranged in stratigraphic order. Inferred temperatures are reported assuming constant δ 18 O W value of –0.36‰. Shaded gray bars indicate dark (translucent) growth bands
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Figure 8. Ba&#x2F;Ca profiles and corresponding δ 18 O of  <b>Venericardia</b>  from th...
in > PALAIOS
Published: 01 September 2010
Figure 8. Ba/Ca profiles and corresponding δ 18 O of Venericardia from the Gosport Sand (A, C), Lisbon (B), and Moodys Branch Formations (D).
Image
Section through the left valve of  <b>Venericardia</b> hatcheplata,  showing disti...
Published: 01 January 2004
Figure 3 Section through the left valve of Venericardia hatcheplata, showing distinct growth banding. Thin black lines denote microsampled growth-line-parallel sampling paths arranged in a transect along the length of the hinge plate (143 samples) and through a light-dark-light growth band set
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Seasonal variation in temperature indicated by variation in  <b>Venericardia</b>  ...
Published: 01 January 2004
Figure 5 Seasonal variation in temperature indicated by variation in Venericardia δ 18 O values taken at face value. The smooth dashed line represents the best-fit solution to an assumption of annual sinusoidal temperature variation. Temperatures are calculated using the modified equation from
Journal Article
Published: 06 September 2017
Journal of Paleontology (2017) 91 (6): 1148–1165.
... . pectuncularis (Lamarck, 1806) n. comb. ‘ Venericardia’ iheringi (Böhm, 1903), a species known only from internal molds, is described and regarded as a carditid with uncertain affinities. The presence of Claibornicardia , Rotundicardia , and Cardites in Patagonia constitutes the most ancient record...
Journal Article
Journal: Geology
Published: 01 December 1999
Geology (1999) 27 (12): 1083–1086.
..., however, that vital effects can exert a greater control than paleotemperature over fossil Sr/Ca. Seasonal perturbations in isotopic data from the Eocene bivalve Venericardia planicosta reveal a gradually decreasing annual growth rate through ontogeny. High-resolution Sr/Ca ratios, analyzed with a new...
Series: Miscellaneous Publications
Published: 01 January 1998
DOI: 10.32375/1998-MP45.9
EISBN: 9781732014862
... overall abundance. The most diagnostic fossils are the large pelecypod Venericardia . echinoid (? Eucidaris ) spines, and resistant wood molds. Macrofossils from the overlying Jolla Vieja Formation (and Rincon and Monterey Formations) are rare. The Eocene Cozy Dell Formation is also sparse...
Journal Article
Journal: Geology
Published: 01 December 1996
Geology (1996) 24 (12): 1067–1070.
... and carbon isotopes along the transect of growth on excellently preserved specimens of the gastropod Turritella imbricataria and the bivalve Venericardia imbricata from sedimentary rocks of early middle Eocene age (ca. 46 Ma) in the Paris basin. Turritella shell growth is fast throughout the year...
Journal Article
Published: 01 November 1959
Journal of Paleontology (1959) 33 (6): 1127.
...Irene Crespin Abstract Proposes the new name Glans kelimnae for a small carditid from lower Pliocene deposits of Gippsland which was originally described as the new variety Venericardia spinulosa dennanti. GeoRef, Copyright 2004, American Geological Institute. Reference includes data from...
Journal Article
Published: 01 January 1949
Bulletin de la Société Géologique de France (1949) S5-XIX (7-9): 507–512.
...Andre Chavan Abstract Cites examples from the genera Astarte and Venericardia which demonstrate the persistence of climatically diagnostic characteristics initially developed in marine mollusks. Within the same genus, subgenera may represent boreal, temperate, or tropical groups. GeoRef...
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Figure 3. Size-frequency distributions for ten Lisbon, Gosport Sand, and Mo...
in > PALAIOS
Published: 01 September 2010
Figure 3. Size-frequency distributions for ten Lisbon, Gosport Sand, and Moodys Branch Formation lineages. Venericardia (1)  =  V. trapaquara – V. alticostata lineage (I). Venericardia (2)  =  V. rotunda–V. diversidentata lineage (J).
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Figure 6. Growth histories for A)  Nucula , B)  Turritella , C)  Callista ,...
in > PALAIOS
Published: 01 September 2010
Figure 6. Growth histories for A) Nucula , B) Turritella , C) Callista , D) Venericardia rotunda–V. diversidentata lineage, E) Agaronia , and F) Venericardia trapaquara–F. alticostata lineage as determined from stable isotope data. Growth trajectories were determined by calculating the best
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FIGURE 10 —Nonmetric multidimensional scaling of samples within communities...
in > PALAIOS
Published: 01 May 2007
). C) Tympanotonos community (FG group). D) Venericardia community (CG community)
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Winter minimum temperature versus seasonal amplitude of temperature variati...
Published: 01 January 2004
each station. Larger shaded diamond to the lower right is the mean minimum winter temperature (25 °C) derived from the Alabama Venericardia ( Fig. 5 ).
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—Miocene and Pliocene(?) shells from mixed Tertiary and Quaternary mollusk ...
Published: 01 July 1973
FIG. 10. —Miocene and Pliocene(?) shells from mixed Tertiary and Quaternary mollusk assemblage, Turtle River, Georgia. 1, Astarte undulata; 2, Chione (Lirophora) latilirata; 3, Venericardia granulata; 4, Chlamys jeffersonius edgecombensis; 5, Turritella variabilis; 6, Turritella plebia; 7