- Phylum of unsegmented marine worms. Priapulida. Temporal range: Late Pennsylvanian–Recent[1] (Stem-group from Cambrian).
- Etymology of Priapulida: From the Greek Priapos, an ancient phallic god...
- Priapulida: Nature’s “Penis Worm” That Has Barely Been Studied
- Introduction to the Priapulida
- Storch, V. 1991. Priapulida. Pages 333-350 in: Microscopic Anatomy of Invertebrates, Vol 4. F. W. Harrison and E. E. Ruppert, eds. Wiley-Liss, New York.
- Priapulida, phylum consisting of 17 species of predatory, unsegmented marine worms that live in the sand and mud at the sea bottom.
- Yırtıcı deniz solucanları ya da Priapulida; denizlerde tüneller açabilen bir omurgasız hayvanlar şubesidir.
- Sielfeld, W. (2002) Phylum Priapulida. Guías de Identificación y Biodiversidad Fauna Chilena. Apuntes de Zoología, Universidad Arturo Prat, Iquique, Chile.
- Priapulida characteristics. Bilaterally symmetrical. A large retractable head region, and spiny or scaly trunk.
- priapulid, (phylum Priapulida), any of some 15 species of predatory, marine, mud-inhabiting, unsegmented worms.
