This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.
Current identification/main database link: Parasubbotina pseudowilsoni Olsson & Pearson, in Olsson et al. 2006
Distinguishing fetures: Parasubbotina pseudowilsoni n. sp. is a small form with a compact, very low trochospiral test that typically has 5 chambers in the final whorl, as seen in dorsal view. Parasubbotina varianta is larger and has a more lobulate test with 4 chambers in the ultimate whorl.
Original Description
Test morphology: Test small, very low trochospiral, globular, lobulate in outline, chambers globular; in spiral view 5 globular, moderately embracing chambers in ultimate whorl, increasing moderately in size, sutures moderately depressed, ultimate chamber usually slightly reduced in size relative to the penultimate chamber; in umbilical view 5 globular, moderately embracing chambers, increasing moderately in size, sutures moderately depressed, straight; umbilicus a moderate sized opening, enclosed by surrounding chambers; aperture umbilical to somewhat extraumbilical, bordered by a continuous lip, which varies in its width from narrow to broad; in edge view chambers globular in shape, moderately embracing, aperture visible as a low arch, bordered by a narrow to broad lip.
Size:
Etymology:
Extra details from original publication
Olsson, R. K., Pearson, P. N. & Huber, B. T. (2006c). Taxonomy, biostratigraphy, and phylogeny of Eocene Catapsydrax, Globorotaloides, Guembelitrioides, Paragloborotalia, Parasubbotina, and Pseudoglobigerinella n. gen. In, Pearson, P. N., Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (eds) Atlas of Eocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication . 41(Chap 5): 67-110. gs OReferences:
Parasubbotina pseudowilsoni compiled by the pforams@mikrotax project team viewed: 13-1-2025
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