Priapulida (priapulid worms, from Gr. πριάπος, priāpos 'Priapus' + Lat. -ul-, diminutive), sometimes referred to as penis worms, is a phylum of unsegmented...

the following phyla: Arthropoda, Onychophora, Tardigrada, Kinorhyncha, Priapulida, Loricifera, Nematoda, and Nematomorpha. A few other groups, such as the...

  Priapulida Kinorhyncha...

(unranked) Scalidophora (unranked) Phylum Kinorhyncha Phylum Loricifera Phylum Priapulida Nematoida (unranked) Phylum Nematoda Phylum Nematomorpha Panarthropoda...

to them are the Nematomorpha or horsehair worms, and the Kinorhyncha, Priapulida, and Loricifera. These groups have a reduced coelom, called a pseudocoelom...

important parasites. Smaller phyla related to them are the Kinorhyncha, Priapulida, and Loricifera. These groups have a reduced coelom, called a pseudocoelom...

proposed on morphological grounds to unite three phyla: the Kinorhyncha, the Priapulida and the Loricifera. The three phyla have four characters in common — chitinous...

fossil findings hint that the last common ancestor of both arthropods and Priapulida shared the same specialized mouth apparatus: a circular mouth with rings...

The following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 33 phyla in this list. However, different...

pharynx") of a possible new species of Meiopriapulus, a marine worm in the Priapulida, bears pharyngeal teeth. Fossils of the Yunnanozoon and Haikouella possess...

digestive tract instead of around it like in other coelomate animals. Priapulida appears to belong to the pseudocoelomate animals, but the possibility...

Priapulids Genus Phylum Class Locality of Origin Notes Images Ancalagon Priapulida (?) Archaeopriapulida Walcott Quarry An extinct priapulid worm. This worm...

along with class Rotifera, class Gastrotricha, class Kinorhyncha, class Priapulida, and class Nematomorpha (The phylum was later revived and modified by...

Cycloneuralia Priapulida, Nematoda and relatives Panarthropoda Onychophora, Tardigrada and Arthropoda...

introvert and associated structures of the larvae of Halicryptus spinulosus (Priapulida)". Zoomorphology. 115: 11–29. doi:10.1007/BF00397931. S2CID 42437901....

Bilateria is an extremely diverse group of animals containing a vast majority of its species, largely due to the enormous amount of arthropods. This article...

The Wheeler Shale (named by Charles Walcott) is a Cambrian (c. 507 Ma) fossil locality world-famous for prolific agnostid and Elrathia kingii trilobite...

† Protostomia (unranked) Superphylum Ecdysozoa Kinorhyncha Loricifera Priapulida Nematoda Nematomorpha Lobopodia Onychophora Tardigrada Arthropoda Superphylum...

This is a list of fossils found at Maotianshan Shales, whose most famous assemblage of organisms are referred to as the Chengjiang biota. The Maotianshan...

a resemblance to adult kinorhyncha and some species of Loricifera and Priapulida, all members of the group Scalidophora. The earliest Nematomorph could...

Scalidophora Kinorhyncha (mud dragons) Priapulida (penis worms)...

Asia Penis plant, several plants Penis snake (Atretochoana) Penis worm (Priapulida) Penes (disambiguation) This disambiguation page lists articles associated...

to priapulid worms, and is adjacent to the evolutionary branching of Priapulida, Nematoda and Arthropoda.[jargon] Despite significant advances in uncovering...

Nematoidea Nematoda Nematomorpha Scalidophora Kinorhyncha Loricifera Priapulida In addition, Cycliophora, Entoprocta and Tardigrada are sometimes included...

Perforated interior wall, simplest of all known animals 10,800 extant Priapulida Little Priapus Penis worms Penis-shaped worms approx. 20 Proarticulata...

marine worms, containing the three modern taxa Echiura, Sipuncula, and Priapulida. Also Sternaspis, the first described genus in the family Sternaspidae...

The Spence Shale is the middle member of the Langston Formation in southeastern Idaho and northeastern Utah. It is exposed in the Bear River Range, the...

Cycloneuralia Priapulida and relatives Panarthropoda...

Priapulida Kinorhyncha...

Palaeontology. 20. Vannier, Jean (August 2009). "The Gut Contents of Ottoia (Priapulida) from the Burgess Shale: Implications for the Reconstruction of Cambrian...