Taxonomy
Original description: Conchiglia dal contorno circolare convessa superiormente, un po' concava inferiormente, margine largo arrotondato, spirale trocoide; spira ben distinta, due giri e mezzo di camere, poco crescenti, inizialmente sferiche, in seguito un po' piu alte, separate nettamente l'una dall'altra da suture profonde. Nella parte ombelicale si nota la presenza di un ombelico largo, le camere sono fortemente convesse, suture piu profonde che nella parte superiore, radiali, diritte. Numero delle camere all'ultimo giro 8-9.
Entries in the Catalog of original descriptions: Anomalina roberti
Geological Range:
Last occurrence (top): within P. appenninica zone (100.50-101.92Ma, top in Albian stage). Data source: [copied from Chronos database]
First occurrence (base): within T. primula zone (107.39-111.84Ma, base in Albian stage). Data source: [copied from Chronos database]
Plot of range and occurrence data:
Character matrix
test outline: | Subcircular | chamber arrangement: | Trochospiral | edge view: | Spiroconvex | aperture: | Umbilical-extraumbilical |
sp chamber shape: | Globular | coiling axis: | Low | periphery: | N/A | aperture border: | Thin lip |
umb chbr shape: | Globular | umbilicus: | Narrow | periph margin shape: | Broadly rounded | accessory apertures: | Umbilical |
spiral sutures: | Moderately depressed | umb depth: | Deep | wall texture: | Moderately pustulose | shell porosity: | Macroperforate: >2.5µm |
umbilical or test sutures: | Moderately depressed | final-whorl chambers: | 7.0-8.0 | N.B. These characters are used for advanced search. N/A - not applicable |
Gandolfi, R. (1942). Ricerche micropaleontologiche e stratigraphfiche sulla Scaglia e sul flysch Cretacici dei Dintorni di Balerna (Canton Ticino). Rivista Italiana di Paleontologia. 48: 1-160. gs Leckie, M. (1984). Mid-Cretaceous planktonic foraminiferal biostratigraphy off Central Morocco, Deep Sea Drilling Project Leg 79, Sites 545 and 547. Initial Reports of the Deep Sea Drilling Project. 79: 579-620. gs V O Lipson-Benitah, S. & Almogi-Labin, A. (2004). Aptian planktonic foraminifera from Israel. Israel Journal of Earth Sciences. 53(1): 27-46. gs Postuma, J. A. (1971). Manual of planktonic foraminifera. Elsevier for Shell Group, The Hague. 1-406. gs Premoli Silva, I., Caron, M., Leckie, R. M., Petrizzo, M. R., Soldan, D. & Verga, D. (2009). Paraticinella n. gen. and taxonomic revision of Ticinella bejaouaensis Sigal, 1966. Journal of Foraminiferal Research. 39: 126-137. gsReferences:
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Ticinella roberti compiled by the pforams@mikrotax project team viewed: 7-3-2021
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