Children (161 direct children, 1270 direct and indirect children):
Prymnesiophyceae
(tree size 657)
Chiasmolithus
(tree size 11)
Coccolithophyceae
(tree size 243)
Pavlovophyceae
(tree size 22)
Arkhangelskiella
(tree size 4)
Axopodorhabdus
(tree size 6)
Heterorhabdus
(tree size 1)
Coronocyclus
Alisphaeraceae
(tree size 14)
Ceratolithaceae
(tree size 15)
Umbellosphaeraceae
(tree size 4)
Ruttnera
(tree size 5)
Rhabdolithus
(tree size 2)
Turrilithus
(tree size 1)
Tubirhabdus
(tree size 2)
Tetrapodorhabdus
(tree size 1)
Uniplanarius
(tree size 2)
Striatomarginis
(tree size 1)
Sphenolithus
(tree size 6)
Seribiscutum
(tree size 3)
Scampanella
(tree size 5)
Rucinolithus
(tree size 1)
Rhabdolithina
(tree size 1)
Reinhardtites
(tree size 1)
Prinsius
(tree size 1)
Podorhabdus
(tree size 6)
Petrarhabdus
(tree size 1)
Percivalia
(tree size 1)
Parhabdolithus
(tree size 2)
Parachrysidalis
(tree size 1)
Zygolithus
(tree size 4)
Zeugrhabdotus
(tree size 1)
Wiseorhabdus
(tree size 1)
Octocyclus
(tree size 1)
Nephrolithus
(tree size 2)
Neochiastozygus
(tree size 1)
Monomarginatus
(tree size 2)
Microstaurus
(tree size 2)
Markalius
(tree size 2)
Hornibrookina
(tree size 1)
Heliorthus
(tree size 1)
Cyclolithella
(tree size 4)
Cryptococcolithus
(tree size 1)
Helicopontosphaera
(tree size 3)
Cyclagelosphaera
(tree size 2)
Cribrosphaerella
(tree size 4)
Grantarhabdus
(tree size 1)
Cylindralithus
(tree size 1)
Cretarhabdus
(tree size 1)
Gartnerago
(tree size 1)
Cyclolithus
(tree size 2)
Cretarhabdella
(tree size 1)
Ellipsoplacolithus
(tree size 1)
Crassapontosphaera
(tree size 1)
Ellipsolithus
(tree size 1)
Craspedolithus
(tree size 2)
Chiastozygus
(tree size 4)
Ellipsagelosphaera
(tree size 1)
Dictyolithus
(tree size 2)
Coccolithites
(tree size 2)
Boletuvelum
(tree size 1)
Bicolumnus
(tree size 1)
Ahmuellerella
(tree size 1)
Centosphaera
(tree size 1)
Nannoturba
(tree size 2)
Acanthosolenia
Angulofenestrellithus
Annulithus
Aspidiophora
Aspidolithus
Aspidorhabdus
Assipetra
Astrionis
Bidiscorhabdus
Bidiscus
(tree size 4)
Bipodorhabdus
Birkelundia
Bomolithus
Broinsonia
(tree size 5)
Bucculinus
Bukryaster
Bukrylithus
Campylosphaera
Caryptococcolithus
Conococcolithus
Corannulus
Corbilithus
Cuneatus
Curvidiscoaster
Cyathosphaera
Cyclococcolithella
Cyclococcolithinus
Cyclodiscolithus
Deflandrius
Diademopetra
Diadorhombus
Diadozygus
Diazomatolithus
Discolobatus
Discorhabdus
(tree size 1)
Discoturbella
Eocricosphaera
Eodiscoaster
Glaukolithotus
Glaukolithus
Hayella
Hayesites
Heimiella
(tree size 9)
Helenea
Heliodiscoaster
Heteromarginatus
Hexalithus
Hexangulolithus
Heyneckia
Kamptnerius
Kizakimonas
Koczyia
Lacrymasphaera
(tree size 1)
Laffittius
Micrantholithus
Neococcolithes
Palmicricothus
Zygostephanos
Zygrhablithus
Pedinocyclus
Pemma
Pentalitus
Placorhombus
(tree size 1)
Prolatipatella
Pyrocyclus
Pyxolithus
Staurorhabdus
Stephanolithion
(tree size 1)
Stradnerlithus
Striatococcolithus
Sujkowskiella
Vermiculithina
Vesillarius
(tree size 1)
Vexillarius
(tree size 4)
Tetralithoides
(tree size 1)
Tribrachiatus
(tree size 1)
Trochastrites
Trochoaster
Trochoastrites
Truncodiscoaster
Tubodiscus
Turbodiscoaster
(tree size 1)
Asterolithes
Cruciolithus
Crucirhabdus
Cyclocalyptra
Helicolithus
Hexapodorhabdus
Holodiscolithus
Isthmolithus
Pseudotriquetrorhabdulus
Psyktosphaera
Pyrobolella
Tansinius
Zachariasia
Discoasterales