Foraminifera taxon details
Archaecyclus Silvestri, 1908 †
722278 (urn:lsid:marinespecies.org:taxname:722278)
accepted
Genus
Planorbulina cenomaniana Seguenza, 1882 † accepted as Archaecyclus cenomanianus (Seguenza, 1882) † (type by monotypy)
marine, brackish, fresh, terrestrial
fossil only
masculine
Silvestri, A. (1908). Fossili cretacei della contrada Calcasacco presso Termini-Imerese (Palermo). <em>Palaeontographia ltalica.</em> 14:121-170., available online at https://biodiversitylibrary.org/page/34280609
page(s): p. 134 [details]
page(s): p. 134 [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Archaecyclus Silvestri, 1908 †. Accessed at: https://www.marinespecies.org/Foraminifera/aphia.php?p=taxdetails&id=722278 on 2024-04-26
Date
action
by
original description
Silvestri, A. (1908). Fossili cretacei della contrada Calcasacco presso Termini-Imerese (Palermo). <em>Palaeontographia ltalica.</em> 14:121-170., available online at https://biodiversitylibrary.org/page/34280609
page(s): p. 134 [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. 134 [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 large, up to 1.6 mm in diameter, discoidal to concavoconvex, large proloculus followed by enrolled early stage of five chambers per whorl, later chambers in annular series, those of successive annuli alternating in position, sutures oblique; wall calcareous, perforate, with thin dark median layer; aperture in the early stage interiomarginal, later with stolonlike openings at lateral margins of each chamber. U. Cretaceous (Cenomanian); Italy. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]