Catalog entries: Botryometra spongiosa
Original description: The cephalis construction is very similar to Botryometra poljanskii but is larger. The constriction between cephalis and thorax is distinct, Thorax is wide, long, and subcylindrical. The entire shell is covered with a spongy layer very similar to the Botryocyrtis species. Apical horn is stout and the feet are weak.
Remarks on original description: Description is based on 11 specimens from Core 278-31, Section 3; Sample 280A-6, CC; and Core 281-16, Section 3.
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:
Botryometra spongiosa compiled by the radiolaria@mikrotax project team viewed: 20-4-2021
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