†Cyclagelosphaera Noël 1965 (haptophyte alga)
Prymnesiophyceae - Watznaueriales - Watznaueriaceae
PaleoDB taxon number: 87800
Parent taxon: Watznaueriaceae according to P. R. Bown and J. R. Young 1997
Sister taxa: Ansulasphaera, Bibreviconus, Bussonius, Cylindralithus, Darwinilithus, Diazomatolithus, Lotharingius, Perchnielsenella, Watznaueria
Subtaxa: Cyclagelosphaera alta, Cyclagelosphaera argoensis, Cyclagelosphaera brezae, Cyclagelosphaera deflandrei, Cyclagelosphaera jiangii, Cyclagelosphaera lacuna, Cyclagelosphaera margerelii, Cyclagelosphaera monocava, Cyclagelosphaera reinhardtii, Cyclagelosphaera rotaclypeata, Cyclagelosphaera shenleyensis, Cyclagelosphaera tubulata, Cyclagelosphaera wiedmannii
Type: Cyclagelosphaera margerelii
Ecology: passively mobile planktonic "photoautotroph"