Priapulida (priapulid worms, from Gr. πριάπος, priāpos 'Priapus' + Lat. -ul-, diminutive), sometimes referred to as penis worms, is a phylum of unsegmented...
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the following phyla: Arthropoda, Onychophora, Tardigrada, Kinorhyncha, Priapulida, Loricifera, Nematoda, and Nematomorpha. A few other groups, such as the...
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to them are the Nematomorpha or horsehair worms, and the Kinorhyncha, Priapulida, and Loricifera. These groups have a reduced coelom, called a pseudocoelom...
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important parasites. Smaller phyla related to them are the Kinorhyncha, Priapulida, and Loricifera. These groups have a reduced coelom, called a pseudocoelom...
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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...
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fossil findings hint that the last common ancestor of both arthropods and priapulida shared the same specialized mouth apparatus; a circular mouth with rings...
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Paleobiota of the Burgess Shale (section Priapulida)
Priapulids Genus Phylum Class Abundance Notes Images Ancalagon Priapulida (?) Archaeopriapulida 2 specimens An extinct priapulid worm. This worm averaged...
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proposed on morphological grounds to unite three phyla: the Kinorhyncha, the Priapulida and the Loricifera. The three phyla have four characters in common — chitinous...
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pharynx") of a possible new species of Meiopriapulus, a marine worm in the Priapulida, bears pharyngeal teeth. Fossils of the Yunnanozoon and Haikouella possess...
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digestive tract instead of around it like in other coelomate animals. Priapulida appears to belong to the pseudocoelomate animals, but the possibility...
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(unranked) Scalidophora (unranked) Phylum Kinorhyncha Phylum Loricifera Phylum Priapulida Nematoida (unranked) Phylum Nematoda Phylum Nematomorpha Panarthropoda...
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Wheeler Shale (section Priapulida)
The Wheeler Shale (named by Charles Walcott) is a Cambrian (c. 507 Ma) fossil locality world-famous for prolific agnostid and Elrathia kingii trilobite...
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along with class Rotifera, class Gastrotricha, class Kinorhyncha, class Priapulida, and class Nematomorpha (The phylum was later revived and modified by...
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Asia Penis plant, several plants Penis snake (Atretochoana) Penis worm (Priapulida) Penes (disambiguation) This disambiguation page lists articles associated...
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a resemblance to adult kinorhyncha and some species of Loricifera and Priapulida, all members of the group Scalidophora. The earliest Nematomorph could...
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Protostomia (unranked) Superphylum Ecdysozoa Kinorhyncha Loricifera Priapulida Nematoda Nematomorpha Onychophora Tardigrada Arthropoda Spiralia (unranked)...
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† Protostomia (unranked) Superphylum Ecdysozoa Kinorhyncha Loricifera Priapulida Nematoda Nematomorpha Lobopodia Onychophora Tardigrada Arthropoda Superphylum...
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Nematoidea Nematoda Nematomorpha Scalidophora Kinorhyncha Loricifera Priapulida In addition, Cycliophora, Entoprocta and Tardigrada are sometimes included...
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to priapulid worms, and is adjacent to the evolutionary branching of Priapulida, Nematoda and Arthropoda.[jargon] Despite significant advances in uncovering...
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Cycloneuralia Priapulida, Nematoda and relatives Panarthropoda Onychophora, Tardigrada and Arthropoda...
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Perforated interior wall, simplest of all known animals 10,800 extant Priapulida Little Priapus Penis worms Penis-shaped worms approx. 20 Proarticulata...
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Cycloneuralia Priapulida and relatives Panarthropoda...
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List of bilaterian orders (section Phylum Priapulida)
Priapulida Loricifera Kinorhyncha...
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This is a list of fossils found at Maotianshan Shales, whose most famous assemblage of organisms are referred to as the Chengjiang biota. 80 species, not...
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Chlorocruorin: 4 families of marine polychaetes Arthropoda and Mollusca Sipuncula, priapulida, some brachiopoda, and a single annelid genus Oxygenated Color Bright...
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Cycloneuralia Priapulida, Nematoda etc. Panarthropoda...
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Spence Shale (section Priapulida)
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...
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marine worms, containing the three modern taxa Echiura, Sipuncula, and Priapulida. Also Sternaspis, the first described genus in the family Sternaspidae...
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