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Phylum of unsegmented marine worms
Priapulida (priapulid worms, from Gr. πριάπος, priāpos 'Priapus' + Lat. -ul-, diminutive), sometimes referred to as penis worms, is a phylum of unsegmented
Priapulida
Superphylum of protostomes
secondarily lost in certain groups. An unpaired ventral nerve cord, present in Priapulida and Nematoida, appear to be the ancestral condition, making the paired
Ecdysozoa
Clade of ecdysozoan animals
proposed on morphological grounds to unite three phyla: the Kinorhyncha, the Priapulida and the Loricifera. The three phyla have four characters in common — chitinous
Scalidophora
Clade of animals
Protostomia Spiralia Annelida, Mollusca and relatives Ecdysozoa Cycloneuralia Priapulida, Nematoda and relatives Panarthropoda Onychophora, Tardigrada and Arthropoda
Panarthropoda
Animals without a vertebral column
important parasites. Smaller phyla related to them are the Kinorhyncha, Priapulida, and Loricifera. These groups have a reduced coelom, called a pseudocoelom
Invertebrate
Teeth in the throat of a number of fish species
pharynx") of a possible new species of Meiopriapulus, a marine worm in the Priapulida, bears pharyngeal teeth. Fossils of the Yunnanozoon and Haikouella possess
Pharyngeal_teeth
Phylum of invertebrates with jointed exoskeletons
fossil findings hint that the last common ancestor of both arthropods and Priapulida shared the same specialized mouth apparatus: a circular mouth with rings
Arthropod
Basal animal clade as a sister group of the Porifera
relatives) Protostomia Ecdysozoa Scalidophora Kinorhyncha (mud dragons) Priapulida (penis worms) Loricifera (corset animals) Cryptovermes Nematoida Nematoda
Eumetazoa
Extinct stem-arthropod species found in Cambrian fossil deposits
Ecdysozoa Cycloneuralia Priapulida and relatives Panarthropoda Onychophora Tardigrada † Lobopodian grade † Pambdelurion † Kerygmachela † Opabinia † Utaurora
Opabinia
List of animals
Cycloneuralia Scalidophora Phylum Kinorhyncha Phylum Loricifera Phylum Priapulida Nematoida Phylum Nematoda Phylum Nematomorpha Panarthropoda Phylum Onychophora
Lists_of_animals
Main body cavity in many animals
digestive tract instead of around it like in other coelomate animals. Priapulida appears to belong to the pseudocoelomate animals, but the possibility
Coelom
Extinct class of basal arthropods
Ecdysozoa Cycloneuralia Priapulida, Nematoda etc. Panarthropoda Onychophora Tardigrada † Lobopodian grade (paraphyletic) Total group Arthropoda † Siberiidae
Dinocaridida
Geologic formation in Utah notable for trilobite fossils
The Wheeler Shale (named by Charles Walcott) is a Cambrian (c. 507 Ma) fossil locality world-famous for prolific agnostid and Elrathia kingii trilobite
Wheeler_Shale
Phylum of marine animals
Panarthropoda Arthropoda Onychophora Tardigrada Scalidophora Kinorhyncha Priapulida Spiralia Dicyemida Orthonectida Gnathifera Gnathostomulida Chaetognatha
Phoronid
marine worms, containing the three modern taxa Echiura, Sipuncula, and Priapulida. Also Sternaspis, the first described genus in the family Sternaspidae
Gephyrea
Phylum of parasitoid animals; horsehair worms
a resemblance to adult kinorhyncha and some species of Loricifera and Priapulida, all members of the group Scalidophora. The earliest nematomorph could
Nematomorpha
The following is a list of the classes in each phylum of the kingdom Animalia. There are 105 classes of animals in 24 phyla in this list (the phyla Entoprocta
List_of_animal_classes
Phylum of worms
class Nematoda alongside the classes Rotifera, Gastrotricha, Kinorhyncha, Priapulida, and Nematomorpha.In 1919, Nathan Cobb proposed that nematodes should
Nematode
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
Paleobiota of the Maotianshan Shales
Paleobiota_of_the_Maotianshan_Shales
Fossil flora and fauna of the Burgess Shale
preserved in its gut. Lecythioscopa Priapulida Archaeopriapulida Walcott Quarry A genus of Archaeopriapulid. Louisella Priapulida (?) Archaeopriapulida Walcott
Paleobiota of the Burgess Shale
Paleobiota_of_the_Burgess_Shale
Preserved remains or traces of organisms from a past geological age
to priapulid worms, and is adjacent to the evolutionary branching of Priapulida, Nematoda and Arthropoda.[jargon] Despite significant advances in uncovering
Fossil
Topics referred to by the same term
Asia Penis plant, several plants Penis snake (Atretochoana) Penis worm (Priapulida) Penes (disambiguation) This disambiguation page lists articles associated
Penis_(disambiguation)
Phylum of small marine pseudocoelomate invertebrates
modified. Their closest relatives are thought to be the phyla Loricifera and Priapulida. Together they constitute the Scalidophora. The two groups of Kinorhynchs
Kinorhyncha
Phylum of tiny marine invertebrates
studies have traditionally placed the phylum in the Vinctiplicata with the Priapulida; this plus the Kinorhyncha constitutes the taxon Scalidophora. The three
Loricifera
Overview of and topical guide to life forms
† Protostomia (unranked) Superphylum Ecdysozoa Kinorhyncha Loricifera Priapulida Nematoda Nematomorpha Lobopodia Onychophora Tardigrada Arthropoda Superphylum
Outline_of_life_forms
Species of priapulid worm
as the cactus worm, is a marine invertebrate belonging to the phylum Priapulida. It is a cylindrical, unsegmented worm which burrows in soft sediment
Priapulus_caudatus
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
List_of_bilaterian_orders
Extinct genus of priapulid worms
Palaeontology. 20. Vannier, Jean (August 2009). "The Gut Contents of Ottoia (Priapulida) from the Burgess Shale: Implications for the Reconstruction of Cambrian
Ottoia
Genus of priapulid worms
epibacteria with Halicryptus spinulosus (Priapulida) Sulfide detoxification and tolerance in Halicryptus spinulosus (Priapulida): a multiple strategy Epizoic bacterial
Halicryptus
Phylum of invertebrate animals
three rather obscure groups: the mud dragons (Kinorhyncha); penis worms (Priapulida); and brush-heads (Loricifera). Particularly characteristic of the Cycloneuralia
Onychophora
Member of the Langston Formation in Idaho and Utah, United States
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
Spence_Shale
Fossil locality of the Burgess Shale
Priapulids Genus Phylum Higher taxon Notes Images Ottoia Priapulida (?) Archaeopriapulida This priapulid is the most common worm of the Burgess Shale,
Tulip_Beds
Genus of priapulid worms
Bromley, H. J. (1973). "Morphology and anatomy of Maccabeus tentaculatus (Priapulida: Seticoronaria)". Journal of Zoology. 173 (2): 173–197. doi:10.1111/j
Chaetostephanidae
Taxonomic rank
Perforated interior wall, simplest of all known animals 10,800 extant Priapulida Little Priapus Penis worms Penis-shaped worms approx. 20 Proarticulata
Phylum
Obsolete taxonomic group
Nematoidea Nematoda Nematomorpha Scalidophora Kinorhyncha Loricifera Priapulida In addition, Cycliophora, Entoprocta and Tardigrada are sometimes included
Aschelminth
Extinct species of priapulid worm
Por, F. D. (1983). "Class Seticoronaria and Phylogeny of the Phylum Priapulida". Zoologica Scripta. 12 (4): 267–272. doi:10.1111/j.1463-6409.1983.tb00510
Ancalagon_minor
Group of marine animals ("spoon worms")
the mid-nineteenth century Echiura was placed, alongside Sipuncula and Priapulida, in the now defunct class Gephyrea (meaning a "bridge") in Annelida, because
Echiura
Proposed clade of ecdysozoan animals
(unranked): Cycloneuralia Subclades Nematoida Nematoda Nematomorpha †Palaeoscolecida †Chalazoscolecidae etc. Scalidophora Kinorhyncha Priapulida Loricifera
Cycloneuralia
Family of priapulid worms
including SEM and μCT of the rare priapulid Acanthopriapulus horridus (Priapulida, Scalidophora)". Zoologischer Anzeiger. 298: 1. Bibcode:2022ZooAn.298
Priapulidae
Extinct genus of arthropods
Por, F. D. (1983). "Class Seticoronaria and Phylogeny of the Phylum Priapulida". Zoologica Scripta. 12 (4): 267–272. doi:10.1111/j.1463-6409.1983.tb00510
Fieldia_(worm)
Native animals of Italy
lobsters and shrimps (Crustacea), and little known groups such as Echiura, Priapulida, Sipuncula, Brachiopoda, Pogonophora, Phoronida, and Hemichordata. Amongst
Fauna_of_Italy
G.-X. (2026). "First Occurrence of Wronascolex sp. (Palaeoscolecida, Priapulida) in the Cambrian Tianpeng Formation (Wuliuan Stage), Southeastern Yunnan
2026_in_paleontology
Index of animals with the same common name
the largest are 50 centimetres (20 in) Platyhelminthea phylum flatworms Priapulida phylum penis worms, general shape may recall the shape of a penis 0.2
Sea_worm
Extinct class of worms
paraphyletic to the other. Some authors choose to include paleoscolecids within Priapulida. Martin R. Smith and Alavya Dhungana suggested in a 2022 publication that
Palaeoscolecid
Class of marine worms
Por, F. D. (1983). "Class Seticoronaria and Phylogeny of the Phylum Priapulida". Zoologica Scripta. 12 (4): 267–272. doi:10.1111/j.1463-6409.1983.tb00510
Archaeopriapulida
Group of extinct worm-like animals with legs
Priapulida Cricocosmiidae Panarthropoda †Diania †Lenisambulatrix †Paucipodia †Thanahita †Eoconchariidae †Xenusion †Onychodictyon †other hallucigeniids
Lobopodia
Conservation lagerstätte in Illinois on the National Register of Historic Places
species of jellyfish called Anthracomedusa turnbulli, sea worms (Nemertea, Priapulida, Chaetognatha, Annelida), snails, saltwater scallops, such as Aviculopecten
Mazon_Creek_fossil_beds
Genus of worms
Schmidt-Rhaesa, Andreas (20 December 2012). "Nematomorpha". Nematomorpha, Priapulida, Kinorhyncha, Loricifera. De Gruyter, Inc. pp. 29–146. ISBN 9783110272536
Paragordius
Extinct genus of priapulid worms
Reconstruction Scientific classification Kingdom: Animalia Stem group: Priapulida (?) Class: †Archaeopriapulida Genus: †Corynetis Luo & Hu 1999 Species
Corynetis
Family of priapulid worms
van der Land (1970). "Systematics, zoogeography, and ecology of the Priapulida". Zoologische Verhandelingen. 112 (1): 1–118. ISSN 0024-1652. Raeker,
Tubiluchidae
Phylum of invertebrates, ribbon worms
Ecdysozoa ("animals that molt"), which include Arthropoda, Nematoda and Priapulida. Most other bilaterian phyla are in the Deuterostomia, which include Echinodermata
Nemertea
List of fauna present at the Mazon Creek fossil beds
featureless worm belonging to the Nemertea (ribbon worms). Priapulites Priapulida Priapulimorphida P. konecniorum One of the earliest known crown-group
Paleofauna of the Mazon Creek fossil beds
Paleofauna_of_the_Mazon_Creek_fossil_beds
This list of sequenced animal genomes contains animal species for which complete genome sequences have been assembled, annotated and published. Substantially
List of sequenced animal genomes
List_of_sequenced_animal_genomes
Biological classification system
and Symbion), and Nemathelminthes (Nematoda, Nematomorpha, Loricifera, Priapulida, and Kinorhyncha) and recognized a total of 23 animal phyla, as shown
Cavalier-Smith's system of classification
Cavalier-Smith's_system_of_classification
Extinct order of basal arthropods
Ecdysozoa Cycloneuralia Priapulida and relatives Panarthropoda Onychophora Tardigrada † Lobopodian grade (paraphyletic) † Siberiid lobopodians † Pambdelurion
Radiodonta
Extinct genus of priapulid worms
Burgess Shale Scientific classification Kingdom: Animalia Stem group: Priapulida (?) Genus: †Scolecofurca Conway Morris, 1977 Species: †S. rara Binomial
Scolecofurca
Order of priapulid worms
Priapulus caudatus Scientific classification Kingdom: Animalia Phylum: Priapulida Class: Priapulimorpha Order: Priapulimorphida Salvini-Plawen, 1974 Families
Priapulimorphida
500 Nematomorpha 1 5 Kinorhyncha 1 3 Acanthocephala 14 40 Nemertea 4 10 Priapulida 1 ? Polychaeta 6 ? Oligochaeta 103 200 Bryozoa 7 15 Gastropods 74 80 Bivalves
Fauna_of_Estonia
Classification of animals according to some authorities
Phylum Gnathostomulida Order Bursovaginoidea Order Filospermoidea Phylum Priapulida Order Halicryptomorphida Order Priapulimorphida Order Seticoronarida Phylum
Taxonomy of the animals (Hutchins et al., 2003)
Taxonomy_of_the_animals_(Hutchins_et_al.,_2003)
Extinct genus of lobopodian invertebrates
Priapulida Cricocosmiidae Panarthropoda †Diania †Lenisambulatrix †Paucipodia †Thanahita †Eoconchariidae †Microdictyon †Fusuchoncharium †Quadratapora †Xenusion
Palaeocampa
Metalloprotein
Chlorocruorin: 4 families of marine polychaetes Arthropoda and Mollusca Sipuncula, priapulida, some brachiopoda, and a single annelid genus Oxygenated Color Bright
Respiratory_pigment
Genus of priapulid worms
Priapulus caudatus Scientific classification Kingdom: Animalia Phylum: Priapulida Class: Priapulimorpha Order: Priapulimorphida Family: Priapulidae Genus:
Priapulus
Genus of fossil tubes
Yunnan Province, this species was initially found to be part of the phylum Priapulida, but some have raised the question that A. elongata may be related to
Archotuba
Extinct genus of worms
cuticular structure of the 495-Myr-old type species of the fossil worm ~Palaeoscolex~, ~P. piscatorum~ (?Priapulida). Zool. J. Linn. Soc. 119:69–82. v t e
Palaeoscolex
This list of invertebrates of California lists invertebrate species (animals without a backbone) found in the U.S. state of California. This list includes
List of invertebrates of California
List_of_invertebrates_of_California
lobsters and shrimps (Arthropoda) and little known groups such as Echiura, Priapulida, Sipuncula, Brachiopoda, Pogonophora, Phoronida and Hemichordata. Amongst
Natural_history_of_Rhodes
Extinct genus of priapulid worms
Selkirkia columbia Scientific classification Kingdom: Animalia Stem group: Priapulida (?) Class: †Archaeopriapulida Family: †Selkirkiidae Conway Morris, 1977
Selkirkia
Overview of and topical guide to zoology
† Protostomia (unranked) Superphylum Ecdysozoa Kinorhyncha Loricifera Priapulida Nematoda (nematodes) Nematomorpha Onychophora Tardigrada Arthropoda -
Outline_of_zoology
Total variability of Earth's life forms
331 ~2,000 ↳ Entoprocta (Kamptozoa) 170 170 ↳ Gnathostomulida 97 - ↳ Priapulida 16 - ↳ Loricifera 28 >100 ↳ Cycliophora 1 - ↳ Sipuncula 144 - ↳ Echiura
Global_biodiversity
Fossilized fauna of Burgess shale
trilobite). Many other phyla are found there: Porifera (sponges) and Priapulida (burrowing "worms" which were ambush predators), Brachiopoda (these had
Burgess_Shale-type_fauna
Marine animals without a vertebral column
full of pores and channels allowing water to circulate through them; Priapulida, or penis worms, are a phylum of marine worms that live marine mud. They
Marine_invertebrates
Landform in Salento, Italy
interstitial Gastrotrichs, three of which unknown; and, a species of Priapulida, previously only known in the tropics. In the Ciolo's area remnants of
Ciolo_(Apulia)
Extinct genus of worms
495-Myr-old type species of the fossil worm Palaeoscolex, P. piscatorum (?Priapulida)". Zoological Journal of the Linnean Society. 119: 69–82. doi:10.1111/j
Louisella
Genus of roundworms
Schmidt-Rhaesa, Andreas (20 December 2012). "Nematomorpha". Nematomorpha, Priapulida, Kinorhyncha, Loricifera. De Gruyter, Inc. pp. 29–146. ISBN 9783110272536
Nectonema
al. Cambrian Bright Angel Shale United States ( Arizona) A member of Priapulida. The type species is K. spectatus. Longgangia Gen. et sp. nov Wang et
2025_in_paleontology
Genus of priapulid worms
Reconstruction Scientific classification Kingdom: Animalia Stem group: Priapulida (?) Class: †Archaeopriapulida Genus: †Sicyophorus Species: †S. rara Binomial
Sicyophorus
many papers on Tanaidacea throughout his life, Lang also published on Priapulida and Kinorhyncha, and a single paper on isopod crustaceans. He had few
Karl_Georg_Herman_Lang
Gut component in priapulids
van der Land (1970). "Systematics, zoogeography, and ecology of the Priapulida". Zoologische Verhandelingen. 112 (1): 1–118. ISSN 0024-1652. v t e v
Polythyridium
Jurassic geologic formation in Europe
Boroszów Simple, horizontal grazing trails (Fodinichnia), by Polychaeta or Priapulida Palaeophycus P. tubularis Kozłowice Clay Pit, Boroszów Straight or curved
Ciechocinek_Formation
Proposed clade of ecdysozoan animals
Vinctiplicata is a clade of Scalidophora uniting the Loricifera and the Priapulida, and representing the sister group to the Kinorhyncha. Its monophyly is
Vinctiplicata
Genus of single-celled organisms
intestinalis n. sp., n. gen. - a new species of coccidian from the intestine of Priapulida. Voprosy Parasitl Voddnyk Bespozvon. Zhivotnykh (Temat. Sbornik), Vilnyus
Alveocystis
Geologic formation in Azilal Province, central Morocco
Bivalves Glossifungites G. ispp. Infilled abandoned burrows Oweniidae Priapulida Sabellidae Serpulidae Siboglinidae Ophiomorpha O. irregulaire O. nodosa
Aganane_Formation
Mammalian protein found in Homo sapiens
Cephalopoda 797 XP_014772175.1 221aa 40% Priapulus caudatus Priapulus Priapulida 797 XP_014663190.1 333aa 39% Bombus terrestris Buff-tailed Bumblebee Insecta
C7orf50
Geologic formation in Greenland
lobopodian, mostly known from sclerites Inuitiphlaskus I. kouchinskyi Priapulida A loricate (with lorica) priapulid larva Hadimopanella H. apicata Palaeoscolecida
Henson_Gletscher_Formation
Mid-Cambrian fossils from a deposit in British Columbia, Canada
deep-water environments, indicating that this was a widespread animal. Ottoia Priapulida (?) Archaeopriapulida At least 1000 Burgess Shale specimens A stem-group
Fossils_of_the_Burgess_Shale
Fossils from the Ediacaran and Cambrian periods
495-Myr-Old Type Species of the Fossil Worm Palaeoscolex, P. Piscatorum (?Priapulida)". Zoological Journal of the Linnean Society. 495 (119): 69–82. doi:10
Small_shelly_fauna
Series of Early Cambrian deposits in the Chiungchussu Formation in China
occurrence in the fossil record. Phylum Porifera (sponges; 15 species) and Priapulida (16 species) are also well represented. Other phyla represented are Brachiopoda
Maotianshan_Shales
Extinct genus of priapulid worms
N Reconstruction Scientific classification Kingdom: Animalia Phylum: Priapulida Family: †Xiaoheiqingidae Genus: †Xiaoheiqingella Species: †X. peculiaris
Xiaoheiqingella
Protein-coding gene in humans
Nematoda and Mollusca, where RIOX2 was not found, with the exception of Priapulida. RIOX1's presence across species suggests that the gene is phylogenetically
RIOX1
Variety of life within South Africa and its exclusive economic zone
Monogenea Trematoda Turbellaria Porifera – List of sponges of South Africa Priapulida Rhombozoa Rotifera Sipuncula Tardigrada Xenacoelomorpha By 1945, more
Biodiversity_of_South_Africa
New Chengjiang Worm Sheds Light on the Radiation and Disparity in Early Priapulida". Biology. 12 (9). 1242. doi:10.3390/biology12091242. PMC 10525141. PMID 37759641
2023_in_paleontology
Extinct genus of priapulid
New Chengjiang Worm Sheds Light on the Radiation and Disparity in Early Priapulida". Biology. 12 (9): 1242. doi:10.3390/biology12091242. ISSN 2079-7737.
Ercaivermis
Genus of priapulid worms
Paraselkirkia is a genus of archaeopriapulid known from the Chengjiang biota, resembling Selkirkia. Haaramo, Mikko (2003). "Scalidophora – †palaeoscolecids
Paraselkirkia
Extinct genus of priapulid worms
D C P T J K Pg N Scientific classification Kingdom: Animalia Phylum: Priapulida Class: Priapulimorpha Order: Priapulimorphida Genus: †Priapulites Schram
Priapulites
Genus of priapulid worms
Cambrian Reconstruction Scientific classification Kingdom: Animalia Phylum: Priapulida Class: incertae sedis Genus: †Eximipriapulus Species: †E. globocaudatus
Eximipriapulus
Genus of priapulid worms
Acanthopriapulus Scientific classification Kingdom: Animalia Phylum: Priapulida Class: Priapulimorpha Order: Priapulimorphida Family: Priapulidae Genus:
Acanthopriapulus
Extinct genus of priapulid worms
Burgess Shale Scientific classification Kingdom: Animalia Stem group: Priapulida (?) Class: †Archaeopriapulida Genus: †Lecythioscopa Conway Morris, 1977
Lecythioscopa
Natural history museum in Ipiranga, São Paulo, Brazil
Phoronida, Rotifera, Turbellaria, Trematoda, Urochordata, Porifera, Priapulida and Sipuncula. Specimens are mostly marine (Western Atlantic and Antarctic
Museum of Zoology of the University of São Paulo
Museum_of_Zoology_of_the_University_of_São_Paulo
nov Wang et al. Cambrian Stage 3 Yu'anshan Formation China A member of Priapulida belonging to the family Selkirkiidae. Silicofistula Gen. et sp. nov Valid
2021_in_paleontology
Extinct genus of priapulid worms
Eopriapulites is an early taxon in the priapulid total group, known from orsten-type material at the Kuanchuanpu Formation of China. Liu, Y.; Xiao, S.;
Eopriapulites
PRIAPULIDA
PRIAPULIDA
PRIAPULIDA
PRIAPULIDA
Female
English
Short form of English Susannah, SUSAN means "lily."
Female
Portuguese
Portuguese form of Hebrew Ruth, RUTE means "appearance" or "friendship."
Girl/Female
Arabic, Muslim
One that Resembles a Olive Flower
Boy/Male
Arthurian Legend
Various names for Arthur's sword.
Surname or Lastname
Northern English, Scottish, and northern Irish
Northern English, Scottish, and northern Irish : from the Old Norse byname Orri ‘blackcock’ (the male black grouse).Scottish : nickname for someone with a sallow complexion, from Gaelic odhar ‘pale’, ‘dun’.English : topographic name for someone who lived on a shore or ridge, from Old English Åra ‘shore’, ‘hill-slope’, ‘flat-topped ridge’, or a habitational name from a place named with this word (see Ore).
Boy/Male
Norse
A mythical dragon.
Boy/Male
Hindu
Servant of Sun
Girl/Female
Danish, French, German, Hindu, Indian, Latin, Malayalam, Marathi
Princess
Boy/Male
Hindu, Indian
Pure; Clean
Boy/Male
Scottish American English
From the land between the streams.
PRIAPULIDA
PRIAPULIDA
PRIAPULIDA
PRIAPULIDA
PRIAPULIDA