|Daughter taxa (time control age-window is: 0-800Ma)||Granddaughter taxa|
Narrow, bicyclic rim with broad perforate central-area plate comprising around 3 cycles of holes.
Muroliths with central-area closed by overlapping plates.
Farinacci & Howe catalog pages: muroliths inc sedis [no catalog entry yet]Search data:
|Metrics||Lith size: 0->0µm;|
Last occurrence (top): at top of Maastrichtian Stage (100% up, 66Ma, in Danian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Albian Stage (0% up, 113Ma, in Aptian stage). Data source: Total of range of species in this database
Plot of occurrence data:
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