| Daughter taxa: (blue => in age window 0-300Ma) | Granddaughter taxa | ||||
| Calyculus noeliae with low rim. | |||||
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| Calyculus noeliae with tall rim. | |||||
| Keeled sphere, constructed from hour glass-shaped crystallites. | |||||
| Keeled sphere, constructed from hour glass-shaped crystallites. | |||||
| Large blocky Crepidolithus ; rim broad; central opening with robust transverse bar and spine-base. Unicyclic in xpl. | |||||
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| Medium sized biscutacean with wide shields and very narrow central area spanned by a transverse-bar-like structure. Unicyclic or weakly bicyclic image in XPL with clearly visible elements. | |||||
| Sub-circular Stephanolithion with central cross and short rim spines | ||||
| Spherical calcisphere with wall formed of crystallites with c-axes parallel to wall but otherwise randomly oriented | |||||
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| Watznaueria with narrow central-area spanned by a slightly oblique transverse bar. | |||||
| Small Lotharingius-like coccolith but lacking V-units and with irregularly formed shield elements | |||||
| Relatively broad, angular, Truncatoscaphus with central area spanned by a longitudinal bar and 4 diagonal lateral bars, delimiting 6 holes. | |||||
| Gracile, elliptical Stradnerlithus with central area spanned by a 6 bars (4 diagonal and 2 longitudinal). | |||||
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| Lotharingius with narrow rim and wide, vacant, central area, inner tube cycle (V-units) only partially developed | |||||
TypeFig Cribrosphaerella daniae.jpg
TypeFig Lithraphidites acutus eccentricus.jpgTaxonomy:
Farinacci & Howe catalog pages:
Geological Range:
Last occurrence (top): within (-Ma, top in "Holocene" stage). Data source:
First occurrence (base): within (-Ma, base in stage). Data source:
Plot of occurrence data:
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deleted compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 13-12-2018
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