|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Pterobranchia - Diplograptoidea - Diplograptidae
It was reranked as Diplograptus (Orthograptus) by Elles and Wood (1907); it was reranked as Glossograptus (Orthograptus) by Ruedemann (1908).
It was assigned to Diplograptus by Elles and Wood (1907); to Glossograptus by Ruedemann (1908); to Orthograptidae by Mitchell (1987); to Orthograptinae by Goldman (1995); and to Graptoloidea by Sepkoski (2002).
Is something missing? Join the Paleobiology Database and enter the data
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|D. Goldman 1995||Orthograptids with Pattern G astogeny and straight to slightly sigmoidal thecae; rhabdosomes commonly septate; thecal apertures commonly bearing paired spines or horns.|