Priapulida - Wikipedia
WEBPriapulida (priapulid worms, from Gr. πριάπος, priāpos 'Priapus' + Lat. -ul-, diminutive), sometimes referred to as penis worms, is a phylum of unsegmented marine worms.
Priapulid | Marine Worms, Sedentary Lifestyle & Annelids
WEBPriapulid, (phylum Priapulida), any of some 15 species of predatory, marine, mud-inhabiting, unsegmented worms. Once considered a class of the former phylum Aschelminthes or placed with echiuran and sipunculan worms in the former phylum Gephyrea, priapulids have no obvious relationship to any other.
Priapulida: Nature's Penis Worm | The Taxonomy - Earth Life
WEBMar 3, 2020 · The Priapulida, commonly called "Penis Worms" are a small group of small marine invertebrate that live at various depths on the sea floor.
Scientists identify new species of penis worm | Science | AAAS
WEBMay 6, 2015 · New research, published online today in Palaeontology, suggests that the Priapulida phylum, the group that contains all the penis worms, may have been more diverse than previously realized, and that the differences between …
Priapulid Worms (Phylum Priapulida) - iNaturalist
WEBPriapulida (priapulid worms, from Gr. πριάπος, priāpos 'Priapus' + Lat. -ul-, diminutive) is a phylum of marine worms. The name of the phylum relates to the Greek god of fertility, because their general shape and their extensible spiny introvert (eversible proboscis) may recall the shape of a penis. They live in the mud (which they eat ...
Priapulida - an overview | ScienceDirect Topics
WEBAmong the extant animals, the unsegmented marine worms of the phylum Priapulida, whose fossils are dated from Middle Cambrian, are believed to be their crown group: “treptichnid burrow systems were most probably produced by priapulid worms or by worms that used the same locomotory mechanisms as the recent priapulid” (Vannier et al., 2010).
Priapulans: Priapulida - Encyclopedia.com
WEBThe body of priapulans (PRYE-uh-PUH-luhns) is divided into three parts: introvert (IN-troh-vert), trunk, and tail. The animals use a pair of muscles to pull the introvert completely into the trunk. Spines of various sizes and shapes cover the entire surface of the introvert.
Priapulida (Priapulans) - Encyclopedia.com
WEBThumbnail description. Cylindrical body, the anterior part of which—the introvert—is covered with chitinous teeth and can be rolled inward; at the posterior end are one or two caudal appendages. Evolution and systematics. Priapulans once were grouped among a diverse collection of invertebrates known as the Aschelminthes.
penis worms - Encyclopedia of Life
WEBPriapulida (Penis Worms) is a phylum of Animal. There are 22 species of Penis Worms, in 7 genera and 5 families. They have sexual reproduction.
Priapulida - SpringerLink
WEBJan 1, 2014 · The phylum Priapulida includes eight species in six genera of cylindrical, benthonic animals. Enclosed in a chitinous cuticle that is periodically molted, the unsegmented body is divided into an anterior proboscis and a posterior trunk, from which caudal appendages of uncertain function extend in some species ( Fig. 1 ).
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