After Bulman, 1955, and Bates, Kozlowska & Lenz, 2005 (Fig. 8A & 10B)
<==o †Retiolitidae Lapworth, 1873 |--+--o †Pseudoplegmatograptus Pribyl, 1948; L.Sil. Eu. | | `-- †P. obesus (Lapworth, 1877) [Retiolites perlatus obesus Lapworth, 1877] | `--o †Pseudoratiolites | `-- †P. decurtatus Boucek & Münch, 1944 `--+--o †Dabashanograptus | `-- †D. chengkouensis Ge, 1990 |--o †Ratiolites Barrande, 1850 [Gladiolites Barrande, 1850; Gladiograptus Lapworth, 1875; Dimykterograptus Haberfelner, 1936; Pseudoretiolites Boucek & Münch, 1944] L.-M.Sil. Eu. NA. NAf. ?Aust. | |-- †R. geinitzianus [Gladiolites geinitzianus] | `-- †R. angustidens Elles & Wood, 1908 `--+--o †Stomatograptus Tullberg, 1883; L.-M.Sil. Eu. Aust. | |-- †S. tornquisti Tullberg, 1883 [Stomatograptus törnquisti Tullberg, 1883; =? Retiolites grandis Suess, 1851] | `-- †S. grandis (Suess, 1851) `--+--o †Rotaratiolites Bates & Kirk, 1992 | `-- †R. exutus Bates & Kirk, 1992 `--o †Plectograptinae Boucek & Münch, 1952 |--o †Paraplectograptus Boucek & Münch, 1948; ?L.-M.Sil. Eu. Aust. | `-- †P. eiseli (Manck, 1917) [Ratiolites eiseli Manck, 1917] |-- †Pseudoplectograptus Obut & Zaslavskaya, 1983 `--+-- †Sokolovograptus Obut & Zaslavskaya, 1983 `--+-- †Eisenackograptus Kozlovska-Dawidziuk, 1990 `--+-- †Sagenograptus Lenz & Kozlovska-Dawidziuk, 2001 `--+-- †Cometograptus Kozlovska-Dawidziuk, 2001 `--+--+-- †Baculograptus Lenz & Kozlovska-Dawidziuk, 2002 | `--o †Gothograptus Frech, 1897; U.Sil. Eu. | |-- †G. nassa (Holm, 1890) [Retiolites nassa Holm, 1890] | `-- †G. intermedius Boucek & Münch |--+-- †Doliograptus | `-- †Papiliograptus `--+--o †Spinograptus Boucek & Münch, 1952; U.Sil. Eu. | |-- †S. spinosus Wood, 1900 [Ratiolites spinosus Wood, 1900] | |-- †S. praerobustus Lenz & Kozlowska-Dawidziuk, 2002 | |-- †S. lawsoni | |-- †S. guerichi | `-- †S. turriculatus `--+--+--o †Plectograptus Moberg & Törnquist, 1909; M.-U. Sil. Eu. | | `-- †P. macilentus (Törnquist, 1887) [Retiolites macilentus Törnquist, 1887] | `--+-- †Plectodinemagraptus Kozlovska-Dawidziuk, 1995 | `-- †Semiplectograptus Kozlovska-Dawidziuk, 1995 `--+--o †Holoretiolites Eisenack, 1951 [Balticograptus Boucek & Münch, 1952] U.Sil. Eu. | `-- †H. mancki (Münch, 1931) [Ratiolites mancki Münch, 1931] `-- †Neogothograptus
Nomina dubia et invalida:
†Retiolitinae Lapworth, 1873 [nom. transl. Boucek & Münch, 1952 ex Ratiolitidae Lapworth, 1873]
Reference(s):
- Bates, D. E. B., Kozlowska, A. & Lenz, A. C., 2005: Silurian retiolitid graptolites: morphology and evolution.
–Acta Palaeontologica Polonica: Vol. 50, #4, pp. 705-720 [http://app.pan.pl/acta50/app50-70.pdf] - Bulman, O. M. B., 1955: Part V – Grapholithina, with sections on Enteropneusta and Pterobranchia. xviii-V101.
in Moore, R. C. (ed.), 1955: Treatise on Invertebrate Paleontology.
–University of Kansas Press and The Geological Society of America, Lawrence, Kansas, 1955