Pterobranchia - Crustoidea

Parent taxon: Graptolithina according to O. M. B. Bulman 1970

See also Sepkoski 2002

Sister taxa: Acanthastida, Ascograptus, Camaroidea, Ceramograptus, Crinocaulis, Cyclograptidae, Dendroidea, Diplograptoidea, Dithecodendridae, Dithecodendrum, Dithecoidea, Graptoblasti, Graptolithus, Graptoloida, Graptoloidea, Graptovermida, Leveillites, Limpidograptus, Palmatophycus, Pilograptus, Rhabdopleuridae, Siryngotaenia, Stolonoidea, Thamnograptus, Trigonograptus, Tuboidea, Wimanicrustidae

Subtaxa: Hormograptidae Ruedemannicrusta Urbanekicrusta Xenocyathus

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Ecology: passively mobile planktonic suspension feeder

Distribution: there are no occurrences of Crustoidea in the database

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