Priapulidae
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Priapulidae is the canonical family of priapulid worms, comprising Priapulus and Priapulosis as well as the Carboniferous genus Priapulites.
Systematics
Classification and maximum trunk length:
- 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)