Daughter taxa (time control age-window is: 0-800Ma) | ||||
Botryometra poljanskii neptune records: 4 | ||||
Botryometra spongiosa neptune records: | ||||
Botryometra sp. neptune records: |
Catalog entries: Botryometra
Original description: Two-segmented ellipsoidal skeleton, the second segment (thorax) larger than the cephalis if the shell is complete. Thorax may be incomplete or reduced. In these cases cephalis and thorax are equal. Pores are few and irregular. Cephalis with branches a in the upper part (Figure 10, VIII). Cephalis is more or less separated from the thorax. The spine A goes in the cephalis as the columella. There is no distinct subdivision into cephalic lobes. Eucephalic and antecephalic parts of the equal height. The spines A, D, L may go outside as horns and lateral feet.
Geological Range:
Last occurrence (top): at top of Neogene Period (100% up, 2.6Ma, in Piacenzian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Botryometra compiled by the radiolaria@mikrotax project team viewed: 8-12-2024
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