†Semihololithus Perch-Nielsen 1971 (haptophyte alga)
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Coccolithophyceae - Calyptrosphaeraceae
Parent taxon: Calyptrosphaeraceae according to P. R. Bown and J. R. Young 1997
Sister taxa: Acuturris, Anfractus, Bifidalithus, Calculites, Coccosphaerida, Corisphaera, Dactylethra, Homozygosphaera, Isocrystallithus, Lacunolithus, Lucianorhabdus, Metadoga, Multipartis, Munarinus, Octolithus, Okkolithus, Orastrum, Ottavianus, Owenia, Petrobrasiella, Pseudoconus, Ramsaya, Russellia, Saepiovirgata, Zebrashapka, Zygosphaera
Subtaxa: Semihololithus bicornus Semihololithus dens Semihololithus priscus
Ecology: passively mobile planktonic "photoautotroph"
Distribution: found only at Tercis-les-Bains quarry (Cretaceous of France)
Specimen images are retrieved through the ePANDDA API.
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