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: Heterohelix americana (Ehrenberg, 1844)
Original Description
Cellulae primae nonnullis spirales. Tales formae forsan proprio generi addicendae sunt: Heterohelix.
Translation (from Frerichs & Gaskill 1978)
T . americana, small, more often microscopic, rapidly expanding, smooth, first chamber globular (1/300 of a line), chambers ovate, final chambers produced into a spine.
Size:
Editors' Notes
Ehrenberg, C. G. (1843b). Verbreitung und Einfluss des mikroscopischen Lebens in Süd- und Nord Amerika. Bericht uber die zu Bekanntmachung geeigneten Verhandlungen der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1841: 291-446. gs Ehrenberg, C. G. (1854). Mikrogeologie: Das Erden und Felsen schaffende Wirken des unsichtbar kleinen selbständigen Lebens auf der Erde. Leopold Voss, Leipzig. 1-374. gs Frerichs, W. E. & Gaskill, C. H. (1978). Textilaria americana Ehrenberg: Type species of Heterohelix. Journal of Foraminiferal Research. 8(2): 143-146. gs Georgescu, M. D. & Huber, B. T. (2009). Early evolution of the Cretaceous serial planktic foraminifera (late Albian-Cenomanian). Journal of Foraminiferal Research. 39: 335-360. gs Georgescu, M. D. (2013c). Revised evolutionary systematics of the Cretaceous planktic foraminifera described by C.G. Ehrenberg. Micropaleontology. 59: 1-48. gsReferences:
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Textilaria americana compiled by the pforams@mikrotax project team viewed: 30-9-2023
Short stables page link: https://mikrotax.org/pforams/index.php?id=132327 Go to Archive.is to create a permanent copy of this page - citation notes |
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