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Helenina anderseni

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Journal Article
Published: 01 July 2011
Journal of Foraminiferal Research (2011) 41 (3): 248–259.
... and brackish charophytes in the studied section represent an interval when the lake was slightly brackish due to high evaporation. The studied sediments yielded a bispecific benthic foraminiferal fauna comprised of Helenina anderseni and Trichohyalus aguayoi , as well as the brackish charophyte genus...
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<span class="search-highlight">Helenina</span> <span class="search-highlight">anderseni</span> .
Published: 01 January 2013
Fig. 60. Helenina anderseni .
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Morphometric parameters measured on the dorsal side of  <span class="search-highlight">Helenina</span> <span class="search-highlight">anderseni</span> ...
Published: 01 July 2011
F igure 3. Morphometric parameters measured on the dorsal side of Helenina anderseni . Last whorl’s chambers were numbered from the last one (L) backward to the first one (L-5 in this case). D = greatest spiral diameter; B = spiral diameter perpendicular to D; H = chamber’s height; ISL = inter
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Relative abundance (%) of  <span class="search-highlight">Helenina</span> <span class="search-highlight">anderseni</span>  and  Trichohyalus aguayoi  i...
Published: 01 July 2011
T able 2. Relative abundance (%) of Helenina anderseni and Trichohyalus aguayoi in total assemblage. For each species, the relative abundance of adults (microspheric and megalospheric forms), juveniles, and abnormal specimens are also indicated. *Juveniles (in 32-μm fraction) not identified
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1  <span class="search-highlight">Helenina</span> <span class="search-highlight">anderseni</span> , specimen strongly resembling the holotype, morphoty...
Published: 01 July 2011
F igure 4. 1 Helenina anderseni , specimen strongly resembling the holotype, morphotype A: a, spiral view; b, side view; c, umbilical view. 2, 3 H. anderseni , intermediate morphotype: a, spiral view; b, side view; c, umbilical view. 4–6 H. anderseni , morphotype B: a, spiral view; b
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1–4  <span class="search-highlight">Helenina</span> <span class="search-highlight">anderseni</span> , juvenile specimens: a, spiral view; b, side view;...
Published: 01 July 2011
F igure 5. 1–4 Helenina anderseni , juvenile specimens: a, spiral view; b, side view; c, umbilical view. 5 Trichohyalus aguayoi (sensu stricto): a, spiral view; b, side view; c, umbilical view. 6, 7 T. aguayoi ( T. lacunae -type): a, spiral view; b, side view; c, umbilical view. Scale
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Morphometric data measured on  <span class="search-highlight">Helenina</span> <span class="search-highlight">anderseni</span>  plotted as standard hist...
Published: 01 July 2011
F igure 7. Morphometric data measured on Helenina anderseni plotted as standard histograms (frequency). Normal Curve Shape is shown as a solid line. D/B = spiral diameters ratio; CEI = Chamber Expansion Index; DCVI = Dorsal Chamber View Index; clw = number of chambers in last whorl; m = mean
Journal Article
Published: 22 September 2021
Journal of Foraminiferal Research (2021) 51 (3): 182–209.
... assemblage. Association B contains the T. inflata – A. mexicana assemblage with a high abundance of A. tepida , whereas association A replaces the agglutinated species and Helenina anderseni with Haynesina depressula . Association C consists of the Ammonia assemblage, and association D consists...
Journal Article
Published: 01 July 2019
Journal of Foraminiferal Research (2019) 49 (3): 259–274.
... rotalids Helenina anderseni and Elphidium williamsoni . Specimens were taken from a laboratory mesocosm representing Chezzetcook Inlet, a cool-temperate salt marsh in eastern Canada. We determined culture requirements for the agglutinated foraminifera in Petri dishes over 10–12 week periods. Five...
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Journal Article
Published: 01 July 2011
Journal of Foraminiferal Research (2011) 41 (3): 201–229.
.... The anchialine cave environment near the sinkhole is characterized by two groups of foraminifera: 1) the Meteoric Lens Assemblage living in the brackish meteoric lens within 60 cm of sea level, and 2) the Anchialine Cave Assemblage living in the saline groundwater. Helenina anderseni , Discorinopsis aguayoi...
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Stereomicroscope photo-image of living salt marsh foraminifera.  (A)  Three...
Published: 01 July 2019
Figure 3. Stereomicroscope photo-image of living salt marsh foraminifera. (A) Three clumped species: Helenina anderseni (i), detritus-covered Trochammina inflata (ii), and Miliammina fusca (iii); (B) clumped M. fusca (top) and T. inflata , with detritus around terminal aperture; (C
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Principal component analysis applied to morphometric measurements of  Helen...
Published: 01 July 2011
F igure 8. Principal component analysis applied to morphometric measurements of Helenina anderseni . A = specimens with six chambers in the last whorl; B = specimens with seven chambers in the last whorl. D = greatest spiral diameter; B = spiral diameter perpendicular to D; H = chamber’s
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Five species used for culturing and feeding experiments. Top row: agglutina...
Published: 01 July 2019
(arrow). Bottom row: calcareous (D) Elphidium williamsoni and (E) Helenina anderseni . Scale bar = 100 µm.
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1, 2  Eponides antillarum ;  3, 4  Fissurina lucida ;  5  Fissurina  sp;  6...
Published: 01 July 2011
F igure 10. 1, 2 Eponides antillarum ; 3, 4 Fissurina lucida ; 5 Fissurina sp; 6 Fissurina evoluta ; 7, 8 Fursenkoina compressa ; 9, 10 Globocassidulina subglobosa ; 11 Glomospira charoides ; 12 Glomospira irregularis ; 13, 14 Haplophragmoides wilberti ; 15, 16 Helenina
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Raw counts of live foraminifera plotted with depth in each of six cores. 1,...
Published: 01 April 2005
, Haplophragmoides bonplandi ; 11, H. manilaensis ; 12, H. wilberti ; 14, Helenina anderseni ; 15, Jadammina macrescens ; 16, Miliammina fusca ; 17, M. petila ; 19, Pseudothurammina limnetis ; 22, Siphotrochammina lobata ; 24, Tiphotrocha comprimata ; 26, Trochammina inflata ; 27, T. nana ; 30
Journal Article
Published: 01 April 2016
Journal of Foraminiferal Research (2016) 46 (2): 193–200.
... achieve 100–200 μm in diameter. Helenina davescottensis was found co-occurring with other low-oligohaline microfossils ( Jadammina macrescens , testate amoebae, charophytes, and hydrobiid gastropods), but not other common euryhaline hyaline foraminifera (e.g., H. anderseni , Ammonia tepida ). Given...
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Journal Article
Published: 01 July 2020
Journal of Foraminiferal Research (2020) 50 (3): 301–312.
.... For example, H. anderseni , the type species of genus Helenina (a Heleninidae genus), was originally assigned to genus Pseudoeponides (an Epistomariidae/Epistomariinae genus), yet Helenina was previously thought to be a junior synonym of Pseudoeponides in the opinion of Hofker (1971) ; however...
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Journal Article
Published: 01 April 2005
Journal of Foraminiferal Research (2005) 35 (2): 148–170.
..., Haplophragmoides bonplandi ; 11, H. manilaensis ; 12, H. wilberti ; 14, Helenina anderseni ; 15, Jadammina macrescens ; 16, Miliammina fusca ; 17, M. petila ; 19, Pseudothurammina limnetis ; 22, Siphotrochammina lobata ; 24, Tiphotrocha comprimata ; 26, Trochammina inflata ; 27, T. nana ; 30...
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Journal Article
Published: 23 August 2017
Journal of Paleontology (2017) 91 (6): 1102–1122.
..., the keel is indistinct in the specimens of this study. Genus Helenina Saunders, 1961 Helenina anderseni (Warren, 1957 ) Figure 6 .4– 6 .6 Figure 6 SEM photos of the foraminifers from Core CSJA6, Nantong, Jiangsu and Core LZK1, Hengsha Island, Shanghai. All scale bars are 100 μm. ( 1...
Journal Article
Published: 01 January 2013
Journal of Foraminiferal Research (2013) 43 (1): 14–20.
... represents about 10 tests/g. Species richness was also very low, typically 2- 4 species/ sample. Asterorotalia trispinosa overwhelmingly dominated both living and total assemblages. Associated taxa, almost negligible in numbers, include Quinqueloculina seminulum (Linné), Helenina anderseni (Warren...
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