Cephalorhyncha: Priapulida

Order Halicryptomorpha (Priapulid Worms)

Family	Common Name	Selected Genus and Species	Image
Halicryptidae	Priapulid Worm	Halicryptus spinulosus

Order Meiopriapulomorpha (Penis Worms)

Family	Common Name	Selected Genus and Species	Image
Meiopriapulidae	Penis Worm	Meiopriapulus fijiensis

Order Priapulomorpha (Deep-sea Priapulid Worms)

Family	Common Name	Selected Genus and Species	Image
Priapulidae	Penis Worm	Priapulus caudatus
Tubiluchidae	Meiobenthic Priapulid Worm	Tubiluchus lemburgi

Order Seticoronaria (Priapulid Worms)

Family	Common Name	Selected Genus and Species	Image
Chaetostephanidae	Penis Worm	Maccabeus tentaculatus

On to Chaetognatha

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