Catalog entries: S. americanus [no catalog entry yet]
Geological Range:
Last occurrence (top): within Paleogene Period (23.03-66.04Ma, top in Chattian stage). Data source: Lazarus et al. 2015 - "P age group"
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Lazarus et al. 2015 - "P age group"
Plot of occurrence data:
Hull, D. M. (1996). Paleoceanography and Biostratigraphy of Paleogene Radiolarians From the Norwegian-Greenland Sea. Proceedings of the Ocean Drilling Program, Scientific Results. 151: 125-152. gs Kozlova, G. E. & Gorbovets, A. N. (1966). Radiolyarii verkhnemelovykh i verkhnyeeotsenovykh otlozheniy Zapadno-Sibirskoy nizmennosti. Trudy Vsesoyuznego Neftyanogo Nauchno-Issledovatel'skogo Geologo-Razvedochnogo Instituta (VNIGRI). (248): 1-158. gsReferences:
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Spongotrochus americanus compiled by the radiolaria@mikrotax project team viewed: 8-7-2025
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205543 Go to Archive.is to create a permanent copy of this page - citation notes |