Foraminifera taxon details
Variostoma Kristan-Tollmann, 1960 †
721310 (urn:lsid:marinespecies.org:taxname:721310)
accepted
Genus
Variostoma spinosum Kristan-Tollmann, 1960 † (type by original designation)
- Species Variostoma acutoangulata Kristan-Tollmann, 1973 †
- Species Variostoma bilimbata Hu, 1977 †
- Species Variostoma catilliforme Kristan-Tollmann, 1960 †
- Species Variostoma cochlea Kristan-Tollmann, 1960 †
- Species Variostoma coniforme Kristan-Tollmann, 1960 †
- Species Variostoma crassum Kristan-Tollmann, 1960 †
- Species Variostoma exile Kristan-Tollmann, 1960 †
- Species Variostoma falcata Kristan-Tollmann, 1973 †
- Species Variostoma hadrolimbata Hu, 1977 †
- Species Variostoma helicta (Tappan, 1951) †
- Species Variostoma oberhauseri Vettorel, 1988 †
- Species Variostoma pralongense Kristan-Tollmann, 1960 †
- Species Variostoma spinosum Kristan-Tollmann, 1960 †
- Species Variostoma angulata (Trifonova, 1962) † accepted as Trochammina angulata Trifonova, 1962 † (unaccepted > superseded combination)
marine, brackish, fresh, terrestrial
fossil only
neuter
Kristan-Tollmann, E. (1960). Rotaliidea (Foraminifera) aus der Trias der Ostalpen, in: Beiträge zur Mikropaläontologie der alpinen Trias. <em>Jahrbuch Geologische Bundesanstalt, Sb.</em> 5: 47-78., available online at http://www.zobodat.at/pdf/JahrbGBA-SB_05_0047-0078.pdf
page(s): p. 55 [details] Available for editors
[request]
page(s): p. 55 [details] Available for editors
[request]
Diagnosis Test trochospiral, moderate to high spired, all chambers visible on the spiral side, opposite side involute and deeply...
Diagnosis Test trochospiral, moderate to high spired, all chambers visible on the spiral side, opposite side involute and deeply umbilicate, umbilical margin lobulate; wall calcareous, finely microgranular with an organic matrix, sporadically and finely perforate, nonlamellar; primary aperture simple, rounded to oval, or with fimbriate margin, separated from the umbilicus by a flap. M. Triassic (Anisian) to U. Triassic (Norian); Austria; China; USA. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Variostoma Kristan-Tollmann, 1960 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=721310 on 2024-10-02
Date
action
by
original description
Kristan-Tollmann, E. (1960). Rotaliidea (Foraminifera) aus der Trias der Ostalpen, in: Beiträge zur Mikropaläontologie der alpinen Trias. <em>Jahrbuch Geologische Bundesanstalt, Sb.</em> 5: 47-78., available online at http://www.zobodat.at/pdf/JahrbGBA-SB_05_0047-0078.pdf
page(s): p. 55 [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]
additional source Fuchs, W. (1975). Ein Beitrag zur besseren Kenntnis der triassischen Foraminiferengattungen <i>Variostoma</i> und <i>Diplotremina</i>. <em>Verhandlungen der Geologischen Bundesanstalt.</em> 1975(4): 219–233., available online at https://opac.geologie.ac.at/ais312/dokumente/VH1975_219_A.pdf [details] Available for editors [request]
page(s): p. 55 [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] additional source Fuchs, W. (1975). Ein Beitrag zur besseren Kenntnis der triassischen Foraminiferengattungen <i>Variostoma</i> und <i>Diplotremina</i>. <em>Verhandlungen der Geologischen Bundesanstalt.</em> 1975(4): 219–233., available online at https://opac.geologie.ac.at/ais312/dokumente/VH1975_219_A.pdf [details] Available for editors
[request] From editor or global species database
Diagnosis Test trochospiral, moderate to high spired, all chambers visible on the spiral side, opposite side involute and deeply umbilicate, umbilical margin lobulate; wall calcareous, finely microgranular with an organic matrix, sporadically and finely perforate, nonlamellar; primary aperture simple, rounded to oval, or with fimbriate margin, separated from the umbilicus by a flap. M. Triassic (Anisian) to U. Triassic (Norian); Austria; China; USA. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
