The Sipuncula or Sipunculida (common names sipunculid worms or peanut worms) is a class containing about 162 species of unsegmented marine annelid worms...
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a sub-group of polychaetes. In addition, the Pogonophora, Echiura and Sipuncula, previously regarded as separate phyla, are now regarded as sub-groups...
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Halanych, Kenneth M (5 April 2007). "Annelid phylogeny and the status of Sipuncula and Echiura". BMC Evolutionary Biology. 7 (1): 57. Bibcode:2007BMCEE....
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nudus is a cosmopolitan species of unsegmented marine worm of the class Sipuncula, also known as peanut worms. As in all peanut worms, the body of S. nudus...
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Acoela Nemertodermatida Clitellata (earthworms) Polychaeta (bristle worms) Sipuncula (peanut worms) Arachnida (spiders, scorpions, and kin) Xiphosura (horseshoe...
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List of annelid families (section Subphylum Sipuncula)
List of annelid families describes the taxa relationships in the phylum Annelida, which contains more than 17,000 extant species including ragworms, earthworms...
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Rafinesque used the feminine form Sipuncula to distinguish the family including S. nudus; this was later elevated to the Sipuncula class, the family being renamed...
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Lumbricus. In the mid-nineteenth century Echiura was placed, alongside Sipuncula and Priapulida, in the now defunct class Gephyrea (meaning a "bridge")...
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plerocercoid Annelida nectochaete, polytroch Nematoda Dauer larva, microfilaria Sipuncula pelagosphera larva Ectoprocta cyphonautes, vesiculariform larvae Nematomorpha...
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Halanych, Kenneth M. (2007-01-01). "Annelid phylogeny and the status of Sipuncula and Echiura". BMC Evolutionary Biology. 7 (1): 57. Bibcode:2007BMCEE....
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cells and epidermal gland cells are also found in Ctenophora, Echiura, Sipuncula, Annelida, Mollusca and other taxa. The rhabdites of nemertea have a different...
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Nationalnyckeln till Sveriges flora och fauna. Stjärnmaskar – slemmaskar. Sipuncula – Nemertea. Artdatabanken, SLU, Uppsala, ISBN 978-91-88506-72-6 "Discovery...
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Gnathostomulida Micrognathozoa Cycliophora Superphylum Lophotrochozoa Sipuncula Hyolitha † Nemertea Phoronida Bryozoa Entoprocta Brachiopoda Mollusca...
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pseudocoelom. Other invertebrates include the Nemertea or ribbon worms, and the Sipuncula. Another phylum is Platyhelminthes, the flatworms. These were originally...
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Ctenophora; sea worms including the phyla Platyhelminthes, Nemertea, Annelida, Sipuncula, Echiura, Chaetognatha, and Phoronida; Mollusca including shellfish, squid...
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000 per square meter (5,390 per square foot). Together with Echiura and Sipuncula, they were once placed in the taxon Gephyrea, but consistent morphological...
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Loricifera) coelomates (or eucoelomates, phyla Nemertea, Priapula, Annelida, Sipuncula, Echiura, Onychophora, Tardigrada, Arthropoda, Mollusca, Phoronida, Ectoprocta...
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Chlorocruorin: 4 families of marine polychaetes Arthropoda and Mollusca Sipuncula, priapulida, some brachiopoda, and a single annelid genus Oxygenated Color...
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Antillesoma is a genus of peanut worms (Phylum Sipuncula). The genus belongs to the family Phascolosomatidae. Antillesoma was described in 1973 by Stephen...
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Brachiopoda Subphylum Phoronida Superphylum Sipuncula Phylum Sipuncula Superphylum Vermizoa Phylum Annelida...
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of the two genera that constitute the family Phascolionidae of Phylum Sipuncula, described by Koren and Danielssen established in 1873 as the type species...
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unequal cleavage (see below). This group includes annelids, molluscs, and sipuncula. Spiral cleavage can vary between species, but generally the first two...
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single sucker at the back. Like most annelids, with a few exceptions like Sipuncula, Echiura and Diurodrilus, the leech is a segmented animal, but unlike...
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Phylum Sipuncula. Systematic Zoology 34(2):162-173. Cutler, Edward B. & Cutler, Norma J (1989): A revision of the genus Aspidosiphon (Sipuncula: Aspidosiphonidaea)...
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McHugh, D.; Halanych, K. M. (2007). "Annelid phylogeny and the status of Sipuncula and Echiura". BMC Evolutionary Biology. 7: 57. doi:10.1186/1471-2148-7-57...
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Thecanephria Phylum Vestimentifera Order Basibranchia Order Riftiidae Phylum Sipuncula Order Aspidosiphoniformes Order Golfingiaformes Order Phascolosomatiformes...
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Thysanocardia procera is a marine invertebrate belonging to the phylum Sipuncula, the peanut worms. It is a cylindrical, unsegmented worm with a crown...
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analysis of higher taxa in the Phylum Sipuncula. Systematic Zoology 34(2):162-173. Cutler, Edward B. (1994): The Sipuncula: their systematic, biology and evolution...
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Aculiferans and the Coelomate origin of mollusks as the sister taxon of Sipuncula". The Biological Bulletin. 184 (1): 57–78. doi:10.2307/1542380. JSTOR 1542380...
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Ectoproctans Phylactolaemata Stenolaemata Gymnolaemata Annelids Polychaetes Clitellata Sipuncula Molluscs Gastropods Cephalopods Bivalves Chitons Tusk shells...
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