†Stradnerlithus geometricus Górka 1957 (haptophyte alga)
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Coccolithophyceae - Stephanolithiales - Stephanolithiaceae
Alternative combination: Discolithus geometricus
Belongs to Stradnerlithus according to P. R. Bown 1998
Sister taxa: Stradnerlithus asymmetricus, Stradnerlithus clatriatus, Stradnerlithus comptus, Stradnerlithus fragilis, Stradnerlithus primitus, Stradnerlithus silvaradius
Ecology: passively mobile planktonic "photoautotroph"
Distribution: found only at Heisterholz, near Petershagen, Nordrhein-Westfalen (Cretaceous of Germany)
Specimen images are retrieved through the ePANDDA API.
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