Foraminifera taxon details
Helicolepidina Tobler, 1922 †
722301 (urn:lsid:marinespecies.org:taxname:722301)
accepted
Genus
Lepidocyclina (Helicolepidina) spiralis Tobler, 1922 † accepted as Helicolepidina spiralis (Tobler, 1922) † (type by original designation)
Helicocyclina Tan, 1936 † · unaccepted (Subjective junior synonym in...)
Subjective junior synonym in opinion of Loeblich and Tappan (1987)
Lepidocyclina (Helicolepidina) Tobler, 1922 † · unaccepted (Opinion of Galloway (1928) Nomen...)
Opinion of Galloway (1928) Nomen translatum
- Species Helicolepidina nortoni Vaughan, 1936 †
- Species Helicolepidina paucispira Barker & Grimsdale, 1936 †
- Species Helicolepidina spiralis (Tobler, 1922) †
- Species Helicolepidina polygyralis Barker, 1932 † accepted as Helicostegina polygyralis (Barker, 1932) † (unaccepted > superseded combination, Opinion of Butterlin (1971), Adams (1987))
marine, brackish, fresh, terrestrial
fossil only
feminine
(of Lepidocyclina (Helicolepidina) Tobler, 1922 †) Tobler, A. (1922). Helicolepidina, ein neues Subgenus von Lepidocyclina. <em>Eclogae Geologicae Helvetiae.</em> 17: 380-384., available online at https://www.e-periodica.ch/digbib/view?pid=egh-001:1922:17#490
page(s): p. 380 [details]
page(s): p. 380 [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Helicolepidina Tobler, 1922 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=722301 on 2024-05-01
Date
action
by
original description
(of Lepidocyclina (Helicolepidina) Tobler, 1922 †) Tobler, A. (1922). Helicolepidina, ein neues Subgenus von Lepidocyclina. <em>Eclogae Geologicae Helvetiae.</em> 17: 380-384., available online at https://www.e-periodica.ch/digbib/view?pid=egh-001:1922:17#490
page(s): p. 380 [details]
original description (of Helicocyclina Tan, 1936 †) Tan, S. H. (1936). Beitrag zur Kenntnis der Lepidocycliniden. <em>Verhandelingen der K. Akademie van Wetenschappen, Amsterdam.</em> 39: 990-999.
page(s): p. 995 [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]
page(s): p. 380 [details]
original description (of Helicocyclina Tan, 1936 †) Tan, S. H. (1936). Beitrag zur Kenntnis der Lepidocycliniden. <em>Verhandelingen der K. Akademie van Wetenschappen, Amsterdam.</em> 39: 990-999.
page(s): p. 995 [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 lenticular, bilocular embryonic stage followed by loose planispiral coil of one or two whorls having a thick and perforate spiral outer wall termed the helicolepidine string and a series of relatively large and asymmetrical imbricate chambers forming a continuous series outside of the helicolepidine string, median layer also has smaller arcuate chambers that fill the remaining space both inside and outside of the helicolepidine string, median chambers with single or double apertures, lateral chambers well developed. M. to U. Eocene; North America; South America. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]