Belongs within: Dendroidea.
Dendrograptus is a long-lived genus of irregularly branching dendroid graptolites that is known from the Middle or Upper Cambrian to the Carboniferous (Bulman 1970).
Characters (from Bulman 1970): Generally robust, shrublike in habit, branching irregularly, stipes usually divergent, unconnected, stem well developed, with basal attachment; autothecae denticulate, spined or with apertural processes.
<==Dendrograptus Hall 1858 [incl. Ophiograptus Poulsen 1937]B70 |--*D. (Dendrograptus) hallianus (Prout 1851) [=Graptolithus hallianus]B70 | |--D. h. hallianusR93 | |--D. h. marcicusCT83 | `--D. h. moneymakeri Ruedemann 1947R93 `--D. (Stelechocladia Počta 1894)B70 `--D. (*S.) suffruticosus Bouček 1957 [=*Stelechocladia fruticosa Počta 1894 (preoc.)]B70 Dendrograptus incertae sedis: D. cofeatus Kozłowski 1948K48 D. communis Kozłowski 1948K48 D. edwardsiR93 |--D. e. edwardsiR93 `--D. e. major Ruedemann 1947R93 D. erectusCT83 |--D. e. erectusCT83 `--D. e. minorCT83 D. fruticosusB70 ‘*Ophiograptus’ inexpectans Poulsen 1937B70 D. longithecalis Kozłowski 1948K48 D. nudus Sherrard 1956F71 D. rectangulosus Sherrard 1956F71 D. regularis Kozłowski 1948K48 D. rigidusK48
*Type species of generic name indicated
References
[B70] Bulman, O. M. B. 1970. Graptolithina with sections on Enteropneusta and Pterobranchia. In: Teichert, C. (ed.) Treatise on Invertebrate Paleontology pt V 2nd ed. pp. V1–V149. The Geological Society of America, Inc.: Boulder (Colorado), and the University of Kansas: Lawrence (Kansas).
[CT83] Chen J.-Y. & C. Teichert. 1983. Cambrian Cephalopoda of China. Palaeontographica Abteilung A: Paläozoologie—Stratigraphie 181 (1–3): 1–102.
[F71] Fletcher, H. O. 1971. Catalogue of type specimens of fossils in the Australian Museum, Sydney. Australian Museum Memoir 13: 1–167.
[K48] Kozłowski, R. 1948. Les graptolithes et quelques nouveaux groupes d’animaux du Tremadoc de la Pologne. Palaeontologica Polonica 3: i–xii, 1–235.
[R93] Rickards, R. B. 1993. Graptolithina. In: Benton, M. J. (ed.) The Fossil Record 2 pp. 537–542. Chapman & Hall: London.