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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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<b>Helenina</b> <b>anderseni</b> .
Published: 01 January 2013
Fig. 60. Helenina anderseni .
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1  <b>Helenina</b> <b>anderseni</b> , 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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Morphometric parameters measured on the dorsal side of  <b>Helenina</b> <b>anderseni</b> ...
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  <b>Helenina</b> <b>anderseni</b>  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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1–4  <b>Helenina</b> <b>anderseni</b> , 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  <b>Helenina</b> <b>anderseni</b>  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.
.... 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, Pseudoeponides...
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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.
... 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. ( 1–3 ) Cancris auriculus : ( 1 ) ventral view, CSJA6, depth 34.8...
Journal Article
Published: 01 January 2005
Journal of Foraminiferal Research (2005) 35 (1): 44–49.
... of a dissected specimen showing inside of the penultimate chamber. Note that an intraseptal interlocular space is formed between the septal flap (sf) and the preceding septal face. 8–12. Helenina cf. H. anderseni (Warren, 1957), from 77–78 cm downcore; 8 spiral view, 9 umbilical, 10 apertural. 11...
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