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Nuculana acuta

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Comparison of  <span class="search-highlight">Nuculana</span> <span class="search-highlight">acuta</span>  prodissoconch (PI) size in living and death ...
Published: 14 November 2017
Fig. 5.— Comparison of Nuculana acuta prodissoconch (PI) size in living and death assemblages in coastal Alabama. A ) All live-dead PI data (full dataset), including specimens of all taphonomic grades. B ) Live-dead PI data restricted to only better preserved specimens (Taphonomic Grades 1
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Variation in <span class="search-highlight">Nuculana</span> <span class="search-highlight">acuta</span> mean prodissoconch (PI) size in living and deat...
Published: 14 November 2017
Table 2.— Variation in Nuculana acuta mean prodissoconch (PI) size in living and death assemblages in coastal Alabama. All PI measurements are in microns. The “Full” dataset includes measurements made by Torstenson and Williams using specimens collected in both years of the study. “Williams
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Age frequency distribution of  <span class="search-highlight">Nuculana</span> <span class="search-highlight">acuta</span>  dead shells (N = 100) collec...
Published: 14 November 2017
Fig. 6.— Age frequency distribution of Nuculana acuta dead shells (N = 100) collected from surficial sediments on the inner shelf seaward of the Mississippi-Alabama barrier islands. The median age of dead N. acuta is 592.5 YBP (dashed line), with an interquartile range from 174 to 1040 YBP
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<span class="search-highlight">Nuculana</span> <span class="search-highlight">acuta</span>  PI size over time. There is no secular trend in PI size ove...
Published: 14 November 2017
Fig. 7.— Nuculana acuta PI size over time. There is no secular trend in PI size over the past 3100 years for dated shells in the death assemblage (dashed line, linear regression; p = 0.69). The observed live-dead difference reflects a recent shift in the life histories of N. acuta
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Variation in  <span class="search-highlight">Nuculana</span> <span class="search-highlight">acuta</span>  shell age and PI size with respect to taphono...
Published: 14 November 2017
Fig. 8.— Variation in Nuculana acuta shell age and PI size with respect to taphonomic grade. A ) The median ages of less well-preserved N. acuta shells (grades 3 and 4) tend to be greater than those of shells that are in better condition (grades 1 and 2). Yet all taphonomic grades exhibit
Journal Article
Journal: PALAIOS
Published: 14 November 2017
PALAIOS (2017) 32 (11): 678–688.
...Fig. 5.— Comparison of Nuculana acuta prodissoconch (PI) size in living and death assemblages in coastal Alabama. A ) All live-dead PI data (full dataset), including specimens of all taphonomic grades. B ) Live-dead PI data restricted to only better preserved specimens (Taphonomic Grades 1...
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Stations sampled in this study. Data include latitude, longitude, water dep...
Published: 14 November 2017
Table 1.— Stations sampled in this study. Data include latitude, longitude, water depth in meters, sampling date, and sampling gear, as well as total number of live and dead Nuculana acuta specimens from each station whose larval shells were examined using a scanning electron microscope .
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Taphonomic grades used to characterize the prodissoconchs (PI) of live and ...
Published: 14 November 2017
Fig. 3.— Taphonomic grades used to characterize the prodissoconchs (PI) of live and dead Nuculana acuta specimens. Figured specimen for Taphonomic Grade 1 exhibits Nuculana 's characteristic corrugated PI surface, prominent PI margin, and greater PI convexity relative to growth later
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—I. RIVER-INFLUENCED, LOW-SALINITY ASSEMBLAGE 1.  Littoridina sphinctostoma...
Published: 01 September 1959
SALINITIES 4. Retusa canaliculata , size—6 × 3 mm., a. aperture, b. back. 5. Nuculana concentrica , size—11 × 6 mm., a. interior, b. exterior. 6. Nuculana acuta , size—6 × 4 mm., a. interior, b. exterior. 7. Mulinia lateralis , size—10 × 7 mm., a. interior, b. exterior. 8. Tagelus plebeius , size—42
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—Important species from shallow ocean and estuary mouth.       No. and Spec...
Published: 01 September 1970
10. Nuculana acuta (Conrad). a, b, ×6.4 Ia * , Ib-IIa 11. Ensis directus (Conrad). a, b, ×1 Ia, Ib-IIa 12. Syndosmya aequalis (Say). a, b, ×2.3 Ia, Ib-IIa, IIb 13. Donax variabilis Say. a, b, ×2.8 Ia * , Ib-IIa 14. Divaricella quadrisulcata (Orbigny). a. b, ×3.4 Ia * , Ib
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1956
AAPG Bulletin (1956) 40 (2): 295–376.
... or aperture view. Fig. 5. — Cerithium muscarum Say, 1832, size—19×7 mm., front or aperture view. Fig. 6. — Crepidula plana Say, 1822, size—22×12 mm., a. exterior, b. interior. Fig. 7. — Retusa canaliculata (Say, 1827), size—6×3 mm., a. back, b. aperture. Fig. 8. — Nuculana acuta Conrad...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1959
AAPG Bulletin (1959) 43 (9): 2100–2166.
... SALINITIES 4. Retusa canaliculata , size—6 × 3 mm., a. aperture, b. back. 5. Nuculana concentrica , size—11 × 6 mm., a. interior, b. exterior. 6. Nuculana acuta , size—6 × 4 mm., a. interior, b. exterior. 7. Mulinia lateralis , size—10 × 7 mm., a. interior, b. exterior. 8. Tagelus plebeius , size—42...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1970
AAPG Bulletin (1970) 54 (9): 1651–1676.
... 10. Nuculana acuta (Conrad). a, b, ×6.4 Ia * , Ib-IIa 11. Ensis directus (Conrad). a, b, ×1 Ia, Ib-IIa 12. Syndosmya aequalis (Say). a, b, ×2.3 Ia, Ib-IIa, IIb 13. Donax variabilis Say. a, b, ×2.8 Ia * , Ib-IIa 14. Divaricella quadrisulcata (Orbigny). a. b, ×3.4 Ia * , Ib...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1963
AAPG Bulletin (1963) 47 (8): 1581–1603.
... and II-III. Assemblage I Abra aequalis Say Anadara transversa Say Chione cancellata Linne Cardita floridana Conrad Lucina amiantus Dall Lucina multilineata Tuomey and Holmes Lucina nassula Conrad Nucula proxima Say Nuculana acuta Conrad Tagelus divisus Spengler...
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Journal Article
Journal: PALAIOS
Published: 01 October 2002
PALAIOS (2002) 17 (5): 419–434.
.... Finally, the burrowing deposit feeder Nuculana acuta , which eats buried organic detritus, should be more abundant in undisturbed sediments. The picture that emerges for this paleocommunity is of seagrass meadows with clusters of epifaunal oysters and other epifaunal taxa attached to both plants...
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Journal Article
Published: 01 June 2023
Journal of Paleontology (2023) 97 (S93): 1–45.
... Formation of Spain (Delvene, 2001 ). Mongin ( 1967 , p. 41, pl. 1, figs. 15, 16) recorded Nuculana ( Dacryomya ) cf. D . lacryma (Sowerby) from the Bathonian of Morocco, and Holzapfel ( 1998 , p. 95, pl. 3, fig. 5a, b) recorded Dacryomya acuta Mérian (of de Loriol, 1899 , p. 164, pl. 10, figs. 29...
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Journal Article
Published: 01 September 2019
Journal of Paleontology (2019) 93 (5): 925–944.
...-Toa Palaeonucula sp. Pli/Toa Palaeonucula ? sp. (?) L Pli Pli/Toa Nuculanoidea Nuculana ovum (J. de C. Sowerby) L Pli–L Toa U Pli–L Toa U Pli Pli/Toa Ryderia tehuelchana n. sp. Pli/Toa Phaenodesmia piatnitzkyi n. sp. Pli/Toa Palaeoneilo patagonidica...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1982
AAPG Bulletin (1982) 66 (1): 44–56.
....; Nucula proxima Say, 1822; Donax sp. fragment; Turbonilla interrupta (Totten, 1835); Acteocina sp.; Anadara transversa (Say, 1822); and Nuculana acuta (ComSid, 1831). At 12736, mollusks found were Mulinia lateralis (Say, 1822), Crepidula sp., Pecten sp., and Nucula sp. The sample...
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Journal Article
Journal: Geosphere
Published: 19 September 2024
Geosphere (2024) 20 (6): 1441–1455.
... bivalve Nuculana acuta from the Gulf of Mexico, which also has lecithotrophic larvae, show that larval size decreases with increasing eutrophication ( Harnik et al., 2017 ). As nutrient levels increase, larvae require less nutrient storage capacity before reaching the conditions necessary...
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Journal Article
Journal: Paleobiology
Published: 01 January 2002
Paleobiology (2002) 28 (1): 9–25.
... and gastropods. Carditamera floridana , an epibyssate nestler, accounts for 25–44% of specimens in these samples. The shallowly burrowing bivalve Chione cancellata and the deposit-feeding Nuculana acuta are also relatively abundant. The upper paleocommunity is dominated by infaunal suspension- and deposit...
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