Editing Priapulida (section)

==Classification==
{{See also|List of bilateral animal orders}}

There are 22 known extant species:<ref>{{cite book| url = https://books.google.com/books?id=YHetDwAAQBAJ&dq=We+follow+here+the+familial+classification+of+Schmidt-Rhaesa+%282013b%29.&pg=PA167| title = The Invertebrate Tree of Life| isbn = 978-0-691-17025-1| last1 = Giribet| first1 = Gonzalo| last2 = Edgecombe| first2 = Gregory D.| date = 3 March 2020| publisher = Princeton University Press}}</ref><ref>[http://www.catalogueoflife.org/annual-checklist/2019/browse/classification/kingdom/Animalia/phylum/Cephalorhyncha/class/Priapulida/fossil/0/match/1 2019 Annual Checklist : Browse taxonomic classification phylum: Cephalorhyncha, class: Priapulida]</ref>
[[File:Ottoia reconstruction.jpg|thumb|200px|Illustration of ''[[Ottoia]]'', a prehistoric priapulid.]]

Phylum '''Priapulida''' <small>Théel 1906</small>
*Order [[Halicryptomorpha]] <small>Salvini-Plawen 1974</small> [<small>Adrianov & Malakhov 1995</small>; <small>Salvini-Plawen 1974</small>; Eupriapulida <small>Lemburg, 1999</small>]
**Family [[Halicryptidae]] <small>Salvini-Plawen 1974</small>
***Genus ''Halicryptus''
****Species ''H. higginsi'' <small>(Shirley & Storch, 1999)</small>
****Species ''H. spinulosus'' <small>(von Siebold, 1849)</small>
*Order [[Priapulomorpha]] <small>Adrianov & Malakhov 1995</small> (assigned its own order by <ref>Adrianov A. V, Malakhov V. V. 2001. Symmetry of priapulids (Priapulida). 1. Symmetry of adults. 247:99–110.</ref>)
**Family [[Priapulidae]] <small>Gosse 1855</small> [Xiaoheiqingidae <small>(sic) Hu 2002</small>]
***Genus ''Acanthopriapulus''
****Species ''A. horridus'' <small>(Théel, 1911)</small>
***Genus ''Priapulopsis''
****Species ''P. australis'' <small>(de Guerne, 1886)</small>
****Species ''P. bicaudatus'' <small>(Danielssen, 1869)</small>
****Species ''P. cnidephorus'' <small>(Salvini-Plawen, 1973)</small>
***Genus ''Priapulus''
****Species ''P. abyssorum'' <small>(Menzies, 1959)</small>
****Species ''P. caudatus'' <small>(Lamarck, 1816)</small>
****Species ''P. tuberculatospinosus'' <small>(Baird, 1868)</small>
**Family [[Tubiluchidae]] <small>van der Land 1970</small> [Meiopriapulidae <small>Adrianov & Malakhov 1995</small>]
***Genus ''[[Tubiluchus]]''
****Species ''T. arcticus'' <small>(Adrianov, Malakhov, Tchesunov & Tzetlin, 1989)</small>
****Species ''T. australensis'' <small>(van der Land, 1985)</small>
****Species ''T. corallicola'' <small>(van der Land, 1968)</small>
****Species ''T. lemburgi'' <small>(Schmidt-Rhaesa, Rothe & Martínez, 2013)</small>
****Species ''T. pardosi'' <small>(Schmidt-Rhaesa, Panpeng & Yamasaki, 2017)</small>
****Species ''T. philippinensis'' <small>(van der Land, 1985)</small>
****Species ''T. remanei'' <small>(van der Land, 1982)</small>
****Species ''T. soyoae'' <small>(Schmidt-Rhaesa, Panpeng & Yamasaki, 2017)</small>
****Species ''T. troglodytes'' <small>(Todaro & Shirley, 2003)</small>
****Species ''T. vanuatensis'' <small>(Adrianov & Malakhov, 1991)</small>
**Genus ''Meiopriapulus''
***Species ''M. fijiensis'' 
<small>(Morse, 1981)</small>
*Order [[Seticoronaria]]
**Family [[Chaetostephanidae]] <small>Por & Bromley 1974</small> [Chaetostephanidae <small>Salvini-Plawen 1974</small>]
***Genus ''[[Maccabeus (worm)|Maccabeus]]''
****Species ''M. cirratus'' <small>(Malakhov, 1979)</small>
****Species ''M. tentaculatus'' <small>(Por, 1973)</small>

===Extinct groups===
Stem-group †'''Scalidophora'''
*Order †[[Ancalagonida]] <small>Adrianov & Malakhov 1995</small> [Fieldiida <small>Adrianov & Malakhov 1995</small>]
**Family †[[Ancalagonidae]] <small>Conway Morris 1977</small>
***Genus †''[[Ancalagon (worm)|Ancalagon]]'' <small>Conway Morris 1977</small>
**Family †[[Fieldiidae]] <small>Conway Morris 1977</small>
***Genus †''[[Fieldia (worm)|Fieldia]]'' <small>Walcott 1912</small>

Stem-group †'''Palaeoscolecida'''
*Family †[[Selkirkiidae]] <small>Conway Morris 1977</small>
**Genus †''[[Selkirkia]]'' <small>Walcott 1911 non Hemsley 1884</small>
*Order †[[Ottoiomorpha]] <small>Adrianov & Malakhov 1995</small>
**Genus †''[[Scolecofurca]]'' <small>Conway Morris 1977</small>
**Family †[[Ottoiidae]] <small>Walcott 1911</small>
***Genus †''[[Ottoia]]'' <small>Walcott 1911</small>
**Family †[[Corynetidae]] <small>Huang, Vannier & Chen 2004</small>
***Genus †''[[Corynetis]]'' <small>Luo & Hu 1999</small> [''Anningvermis'' <small>Huang, Vannier & Chen 2004</small>]
**Family †[[Miskoiidae]] <small>Walcott 1911</small>
***Genus †''[[Miskoia]]'' <small>Walcott 1911</small>
***Genus †''[[Louisella]]'' <small>Conway Morris 1977</small>