Classification of Maletz 2017

Cl. Pterobranchia Lankester 1877 [pterobranch]
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Subcl. Graptolithina Bronn 1849 [graptolite]
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Or. †Graptoloidea Lapworth 1875
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Subor. †Sinograpta Maletz 2009
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Fm. †Sigmagraptidae Cooper and Fortey 1982
Fm. †Sinograptidae Mu 1957
Fm. †Monograptidae Lapworth 1873
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G. †Rastrites
Fm. †Dicranograptidae Lapworth 1873
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G. †Levisograptus Maletz 2011
Subor. †Dichograptina Lapworth 1873
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Fm. †Dichograptidae Lapworth 1873