 | The Sipuncula or Sipunculida (common names sipunculid worms or peanut worms) is a class containing about 162 species of unsegmented marine annelid worms... 29 KB (3,261 words) - 01:52, 16 December 2023 |
 | a sub-group of polychaetes. In addition, the Pogonophora, Echiura and Sipuncula, previously regarded as separate phyla, are now regarded as sub-groups... 88 KB (8,998 words) - 15:25, 15 April 2024 |
Acoela Nemertodermatida Clitellata (earthworms) Polychaeta (bristle worms) Sipuncula (peanut worms) Arachnida (spiders, scorpions, and kin) Xiphosura (horseshoe... 8 KB (503 words) - 09:28, 29 April 2024 |
 | nudus is a cosmopolitan species of unsegmented marine worm of the phylum Sipuncula, also known as peanut worms. As in all peanut worms, the body of S. nudus... 4 KB (524 words) - 22:15, 7 November 2023 |
 | Nationalnyckeln till Sveriges flora och fauna. Stjärnmaskar – slemmaskar. Sipuncula – Nemertea. Artdatabanken, SLU, Uppsala, ISBN 978-91-88506-72-6 "Discovery... 5 KB (487 words) - 13:43, 8 February 2024 |
 | cells and epidermal gland cells are also found in Ctenophora, Echiura, Sipuncula, Annelida, Mollusca and other taxa. The rhabdites of nemertea have a different... 62 KB (6,315 words) - 12:57, 9 April 2024 |
 | pseudocoelom. Other invertebrates include the Nemertea or ribbon worms, and the Sipuncula. Another phylum is Platyhelminthes, the flatworms. These were originally... 41 KB (4,736 words) - 08:12, 11 April 2024 |
 | Ctenophora; sea worms including the phyla Platyhelminthes, Nemertea, Annelida, Sipuncula, Echiura, Chaetognatha, and Phoronida; Mollusca including shellfish, squid... 39 KB (4,456 words) - 11:33, 26 March 2024 |
 | plerocercoid Annelida nectochaete, polytroch Nematoda Dauer larva, microfilaria Sipuncula pelagosphera larva Ectoprocta cyphonautes, vesiculariform larvae Nematomorpha... 15 KB (1,339 words) - 01:15, 10 April 2024 |
unequal cleavage (see below). This group includes annelids, molluscs, and sipuncula. Spiral cleavage can vary between species, but generally the first two... 22 KB (2,612 words) - 15:27, 9 February 2024 |