After Parker, 1982, and Dong, Donoghue, Cheng & Liu, 2004, with species and genera from WoRMS, and Paleobiology Database
<==o Priapulida Delage & Hérouard, 1897 (non Théel, 1906?) sensu stricto [Priapuloidea] (Recent priapulid worms, penis worms; makkaramadot) |--o Tubiluchidae | |-- Meiopriapulus fijiensis Morse, 1981 | `--o Tubiluchus van der Land, 1968 | |-- T. arcticus Adrianov, Malakhov, Tchesunov & Tzetlin, 1989 | |-- T. australensis van der Land, 1985 | |-- T. corallicola van der Land, 1968 | |-- T. philippinensis van der Land, 1985 | |-- T. remanei van der Land, 1982 | |-- T. troglodytes Todaro & Shirley, 2003 | `-- T. vanuatensis Adrianov & Malakhov, 1991 `--+--o Maccabeus Por, 1973 [Seticoronaria: Seticoronarida: Maccabeidae] | |-- M. tentaculatus Por, 1973 | `-- M. cirratus Malakhov, 1979 `--o Priapulidae [Priapulimorpha: Priapulimorphida Salvini-Plawen, 1974:] |--o Halicryptus von Siebold, 1849 [Halicryptomorpha: Halicryptomorphida: Halicryptidae] | |-- H. higginsi Shirley & Storch, 1999 | `-- H. spinulosus von Siebold, 1849 `--+--+-- †Priapulites konecniorum Schram, 1973 | `-- †Xiaoheiqingella peculiaris Hu, 2002 [Yunnanpriapulus halteroformis Huang et al., 2004] `--+--o Priapulopsis Koren & Danielssen, 1875 | |-- P. australis (de Guerne, 1886) | |-- P. bicaudatus (Koren & Danielssen, 1868) | `-- P. cnidephorus Salvini-Plawen, 1973 `--+-- Acanthopriapulus horridus (Théel, 1911) van der Land, 1970 `--o Priapulus Lamarck, 1816 |-- P. abyssorum Menzies, 1959 |-- P. caudatus Lamarck, 1816 `-- P. tuberculatospinosus (Baird, 1868)
Reference(s):
- Conway Morris, S. & Peel, J. S., 2010: New palaeoscolecidan worms from Lower Cambrian: Sirius Passet, Latham Shale and Kinzers Shale.
–Acta Palaeontologica Polonica: Vol. 55, #1, pp. 141-156 [doi: 10.4202/app.2009.0058] - Dong, X.-p., Donoghue, P. C. J., Cheng, H. & Liu, J.-b., 2004: Fossil embryos from the Middle and Late Cambrian period of Hunan, south China.
–Nature: Vol. 427, pp. 237-240 - van der Land, J., 2015: Priapulida (visited: 2015-03-29).
–iNet: WoRMS &8211; World Register of Marine Species: http://www.marinespecies.org/aphia.php?p=taxdetails&id=101063 - Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
–McGrew-Hill Book Company