Daughter taxa (time control age-window is: 0-800Ma) | ||||
Haliommetta miocenica 3-shelled actinommid with medium-small regular round cortical pores in strong frames, ca 10 prominent bladed spines, and slightly flattened areas on cortical shell, generally also polyhedral outer medullary shell - dbl neptune records: 110 | ||||
Haliommetta sp. neptune records: |
Catalog entries: Haliommetta
Original description: Pores of the cortical shell regular, of nearly equal size and similar form; the spines not covering the entire surface, but scattered at intervals (their number smaller than that of the nodal-points of the network).
Remarks on original description: Haliommetta was described as a subgenus of Haliomma
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 Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Haliommetta compiled by the radiolaria@mikrotax project team viewed: 20-9-2024
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=204243 Go to Archive.is to create a permanent copy of this page - citation notes |