†subfamily Schizograpti Bulman 1970 (graptolite)

Pterobranchia - Graptoloidea - Dichograptidae

Technically ranked as a "section" grade, but ranking as subfamily because below family rank.

Full reference: O. M. B. Bulman. 1970. Graptolithina with sections on Enteropneusta and Pterobranchia (Second edition, revised and enlarged). Treatise on Invertebrate Paleontology V:V1-V163

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

Sister taxa: Clonograptus, Dichograpti, Dichograptinae, Dichograptus, Didymograpti, Didymograptus, Goniograpti, Loganograptus, Orthodichograptus, Temnograpti, Tetragrapti

Subtaxa: Anthograptus Holograptus Mimograptus Schizograptus Trochograptus

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Ecology: passively mobile planktonic suspension feeder

Distribution:

• Arenig of France (1 collection), Morocco (1), Norway (1)

• Klabava of Czechia (1)

• Dawan of China (1)

• Ordovician of Argentina (1), Morocco (1), the Russian Federation (1), United States (2: Idaho, Texas)

Total: 10 collections including 11 occurrences

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