Definition of Priapulida in English:

Priapulida

Syllabification: Pri·ap·u·li·da
Pronunciation: /ˌprīəˈpyo͞olədə
 
/
Zoology
A small phylum of burrowing wormlike marine invertebrates. A priapulid has a thick body, a large eversible proboscis, and a tail.
More example sentences
  • They concluded that Gastrotricha is the sister-taxon of a monophyletic clade comprising Nematoda, Nematomorpha, Priapulida, Kinorhyncha and Loricifera.
  • Loricifera, Priapulida, and Kinorhyncha are unequivocally assumed to be most closely related and are, therefore, united in one group, named Scalidophora first by Lemburg.
  • The fine structure of the mouth cone, the introvert with scalids, and the circumenteric brain indicate that this meiofaunal phylum is monophyletic, related to Kinorhyncha and Priapulida.

Origin

modern Latin (plural), from Priapulus (genus name), diminutive of Priapus.

Derivatives

priapulid

Pronunciation: /prīˈapyələd/
noun & adjective
More example sentences
  • Over twenty species of non-mineralized arthropods have been found in the Wheeler Shale, as well as annelids, priapulids, and other worms, and the swimming predator Anomalocaris.
  • Instead, some pseudocoelomate animals, such as priapulids and nematodes, appear to be more closely related to arthropods, in a group termed Ecdysozoa.
  • If this evolutionary interpretation is correct, this change in behavior marks the origin of infaunal priapulid worms from those crawling at the sediment surface with ventral appendages.

Definition of Priapulida in:

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