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Foraminifera taxon detailsHolkeria Strank, 1982 †
 721692 (urn:lsid:marinespecies.org:taxname:721692)
accepted
Genus
Rhodesina avonensis Conil & Longerstaey, 1980 † accepted as Holkeria avonensis (Conil & Longerstaey, 1980) † (type by original designation)
marine,
fossil only
feminine
Strank, A. R. E. (1982). Holkeria gen. nov., a foraminifer characteristic of the Holkerian Stage of the British Dinantian. <em>Proceedings of the Yorkshire Geological Society.</em> 44(2): 145-151., available online at https://doi.org/10.1144/pygs.44.2.145
page(s): p. 145 [details]
Diagnosis Test enrolled, discoidal, and biumbilicate, with plane of coiling oscillating in the early stage, later nearly planispiral...
Diagnosis Test enrolled, discoidal, and biumbilicate, with plane of coiling oscillating in the early stage, later nearly planispiral and evolute, about eight chambers in the final whorl, periphery rounded but slightly truncate in the later chambers, septa short and follow the curvature of the chambers; wall calcareous, microgranular, thick, undifferentiated, with agglutinated particles; aperture simple and basal in most of the test, becoming multiple and areal in the last one or two chambers. L. Carboniferous (M. Visean); England. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Holkeria Strank, 1982 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=721692 on 2025-05-21
Date action by
original description
Strank, A. R. E. (1982). Holkeria gen. nov., a foraminifer characteristic of the Holkerian Stage of the British Dinantian. <em>Proceedings of the Yorkshire Geological Society.</em> 44(2): 145-151., available online at https://doi.org/10.1144/pygs.44.2.145
page(s): p. 145 [details] basis of record Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors  [request]From editor or global species database
Diagnosis Test enrolled, discoidal, and biumbilicate, with plane of coiling oscillating in the early stage, later nearly planispiral and evolute, about eight chambers in the final whorl, periphery rounded but slightly truncate in the later chambers, septa short and follow the curvature of the chambers; wall calcareous, microgranular, thick, undifferentiated, with agglutinated particles; aperture simple and basal in most of the test, becoming multiple and areal in the last one or two chambers. L. Carboniferous (M. Visean); England. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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