Foraminifera taxon details
Akiyoshiella Toriyama, 1953 †
721800 (urn:lsid:marinespecies.org:taxname:721800)
accepted
Genus
Akiyoshiella ozawai Toriyama, 1953 † (type by original designation)
- Species Akiyoshiella fusulinoides Sosnina, 1976 †
- Species Akiyoshiella irregularis Lee in Lee & Park, 1994 †
- Species Akiyoshiella kaimoriensis Kobayashi, 2019 †
- Species Akiyoshiella ozawai Toriyama, 1953 †
- Species Akiyoshiella staffi (Ozawa, 1925) †
- Species Akiyoshiella toriyamai Thompson, Pitrat & Sanderson, 1953 †
marine, brackish, fresh, terrestrial
fossil only
feminine
Toriyama, R. (1953). New peculiar fusulinid genus from the Akiyoshi Limestone of Southwest Japan. <em>Journal of Paleontology.</em> 27(2): 251-256.
page(s): p. 251 [details] Available for editors
[request]
page(s): p. 251 [details] Available for editors
[request]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Akiyoshiella Toriyama, 1953 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=721800 on 2024-04-27
Date
action
by
original description
Toriyama, R. (1953). New peculiar fusulinid genus from the Akiyoshi Limestone of Southwest Japan. <em>Journal of Paleontology.</em> 27(2): 251-256.
page(s): p. 251 [details] Available for editors [request]
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. 251 [details] Available for editors
[request] 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 of small to medium size, up to 7.0 mm in length, spherical to ovoid proloculus followed by three to four early volutions of slowly increasing chamber height, then enlarging more rapidly and producing an elongate fusiform test with straight to slightly curved axis of coiling, later volutions irregularly coiled, and last ones may uncoil and form a flange at one side final whorl may be of slightly decreased height; septa numerous, up to thirty in the final whorl, thin, single layered, and strongly fluted at the base throughout test length in the planispiral part, irregularly and strongly fluted in the uncoiled stage; wall thin, of tectum and transparent diaphanotheca that may not be distinguishable in places, discontinuous upper and lower tectoria also present in all but the final coiled volution, single tunnel in the enrolled part, narrow in the early whorls but wider in later ones, chomata present in the early volutions but absent from later chambers, axial fillings present in the polar regions of early whorls. U. Carboniferous (Moscovian); Japan; Canada: British Columbia. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]