The Sipuncula or Sipunculida (common names sipunculid worms or peanut worms) is a class containing about 162 species of unsegmented marine annelid worms...

a sub-group of polychaetes. In addition, the Pogonophora, Echiura and Sipuncula, previously regarded as separate phyla, are now regarded as sub-groups...

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...

Acoela Nemertodermatida Clitellata (earthworms) Polychaeta (bristle worms) Sipuncula (peanut worms) Arachnida (spiders, scorpionasses, and kin) Xiphosura (horseshoe...

Nationalnyckeln till Sveriges flora och fauna. Stjärnmaskar – slemmaskar. Sipuncula – Nemertea. Artdatabanken, SLU, Uppsala, ISBN 978-91-88506-72-6 "Discovery...

cells and epidermal gland cells are also found in Ctenophora, Echiura, Sipuncula, Annelida, Mollusca and other taxa. The rhabdites of nemertea have a different...

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...

List of annelid families describes the taxa relationships in the phylum Annelida, which contains more than 17,000 extant species including ragworms, earthworms...

Lumbricus. In the mid-nineteenth century Echiura was placed, alongside Sipuncula and Priapulida, in the now defunct class Gephyrea (meaning a "bridge")...

Phylum Sipuncula. Systematic Zoology 34(2):162-173. Cutler, Edward B. & Cutler, Norma J (1989): A revision of the genus Aspidosiphon (Sipuncula: Aspidosiphonidaea)...

pseudocoelom. Other invertebrates include the Nemertea or ribbon worms, and the Sipuncula. Another phylum is Platyhelminthes, the flatworms. These were originally...

Halanych, Kenneth M (5 April 2007). "Annelid phylogeny and the status of Sipuncula and Echiura". BMC Evolutionary Biology. 7 (1): 57. Bibcode:2007BMCEE....

Ctenophora; sea worms including the phyla Platyhelminthes, Nemertea, Annelida, Sipuncula, Echiura, Chaetognatha, and Phoronida; Mollusca including shellfish, squid...

Gnathostomulida Micrognathozoa Cycliophora Superphylum Lophotrochozoa Sipuncula Hyolitha † Nemertea Phoronida Bryozoa Entoprocta Brachiopoda Mollusca...

plerocercoid Annelida nectochaete, polytroch Nematoda Dauer larva, microfilaria Sipuncula pelagosphera larva Ectoprocta cyphonautes, vesiculariform larvae Nematomorpha...

Halanych, Kenneth M. (2007-01-01). "Annelid phylogeny and the status of Sipuncula and Echiura". BMC Evolutionary Biology. 7 (1): 57. Bibcode:2007BMCEE....

Brachiopoda             Subphylum Phoronida         Superphylum Sipuncula           Phylum Sipuncula         Superphylum Vermizoa           Phylum Annelida...

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...

of the two genera that constitute the family Phascolionidae of Phylum Sipuncula, described by Koren and Danielssen established in 1873 as the type species...

Nephasoma rimicola is a marine invertebrate belonging to the phylum Sipuncula, the peanut worms. This worm occurs in the northeastern Atlantic Ocean....

Loricifera) coelomates (or eucoelomates, phyla Nemertea, Priapula, Annelida, Sipuncula, Echiura, Onychophora, Tardigrada, Arthropoda, Mollusca, Phoronida, Ectoprocta...

Chlorocruorin: 4 families of marine polychaetes Arthropoda and Mollusca Sipuncula, priapulida, some brachiopoda, and a single annelid genus Oxygenated Color...

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...

unequal cleavage (see below). This group includes annelids, molluscs, and sipuncula. Spiral cleavage can vary between species, but generally the first two...

Antillesoma is a genus of peanut worms (Phylum Sipuncula). The genus belongs to the family Phascolosomatidae. Antillesoma was described in 1973 by Stephen...

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...

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...

Thecanephria Phylum Vestimentifera Order Basibranchia Order Riftiidae Phylum Sipuncula Order Aspidosiphoniformes Order Golfingiaformes Order Phascolosomatiformes...

Ectoproctans Phylactolaemata Stenolaemata Gymnolaemata Annelids Polychaetes Clitellata Sipuncula Molluscs Gastropods Cephalopods Bivalves Chitons Tusk shells...

The list of marine animals of Australia (temperate waters) is a list of marine and shore-based species that form a part of the fauna of Australia. This...