Priapulidae

Priapulidae is the canonical family of priapulid worms, comprising Priapulus and Priapulosis as well as the Carboniferous genus Priapulites.^[1]

Priapulidae Temporal range: Recent (Stem-group from the Carboniferous) PreꞒ Ꞓ O S D C P T J K Pg N ↓
Priapulus caudatus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Priapulida
Class:	Priapulimorpha
Order:	Priapulimorphida
Family:	Priapulidae Gosse, 1855
Genera
Priapulus Lamarck 1816 (type) Priapulites † Schram, 1973 Priapulopsis Koren & Danielssen, 1875

Systematics

Classification and maximum trunk length:^[2][3][4]

• Family Priapulidae
  • Genus Acanthopriapulus
    • Species A. horridus (24.5 mm)
  • Genus Priapulopsis
    • Species P. australis (50 mm)
    • Species P. bicaudatus (100 mm)
    • Species P. cnidephorus (only known from a postlarval specimen)
  • Genus Priapulus
    • Species P. abyssorum (30 mm)
    • Species P. caudatus (200 mm)
    • Species P. tuberculatospinosus (200 mm)

References

1. Budd, G. E.; Jensen, S. (2000). "A critical reappraisal of the fossil record of the bilaterian phyla". Biological Reviews of the Cambridge Philosophical Society. 75 (2): 253–95. doi:10.1111/j.1469-185X.1999.tb00046.x. PMID 10881389. S2CID 39772232.
2. Schmidt-Rhaesa, Andreas; Cañete, Juan I.; Mutschke, Erika (2022). "New record and first description including SEM and μCT of the rare priapulid Acanthopriapulus horridus (Priapulida, Scalidophora)". Zoologischer Anzeiger. 298: 1. Bibcode:2022ZooAn.298....1S. doi:10.1016/j.jcz.2022.03.001.
3. Schmidt-Rhaesa, Andreas; Raeker, Jan (2023). "Morphology of larval and postlarval stages of Priapulopsis bicaudatus (Danielssen, 1869) (Priapulida) from the north atlantic ocean". Zoologischer Anzeiger. 302: 1. Bibcode:2023ZooAn.302....1S. doi:10.1016/j.jcz.2022.11.006.
4. Schmidt-Rhaesa, Andreas (21 December 2012). Handbook of Zoology. Walter de Gruyter. ISBN 978-3-11-027253-6.