Aspidosiphonidae

Aspidosiphonidae
Scientific classification
Kingdom: Animalia
Phylum: Sipuncula
Class: Phascolosomatidea
Order: Aspidosiphoniformes
Family: Aspidosiphonidae
Quatrefages, 1865
Genera
  • Aspidosiphon Diesing, 1851
  • Cloeosiphon Grube, 1868
  • Lithacrosiphon Shipley, 1902

Aspidosiphonidae is a family of peanut worms. It is the only family in the Aspidosiphoniformes, which is in the class Phascolosomatidea.[1][2][3][4][5]

Description

The Aspidosiphonidae family is characterized by an oral disk with short tentacles arranged in a crescent enclosing nuchal organ. Present a coelomisd canal of sacs not present in body wall the longitudinal muscles layer either continuous or in band. Present anterior and terminal trunk chitinized to form anal shield, the posterior end usually likewise modified to form caudal shield. Have two nephridia.[1][2][4][5]

Species

Aspidosiphon

Cloeosiphon

Lithacrosiphon

References

  1. 1 2 Gibbs, P.E. (1977): British sipunculans. Academic Press. London. 35p. ISBN 0-12-282050-9
  2. 1 2 Ditadi, A.S.F. & Migotto, A.E. (1982): O Filo Sipuncula. Concelho Nacional de Desemvolvimento Cientifico e Tecnologico CNPq Brasilia. 43p.
  3. Cutler, Edward B. & Gibbs, Peter E. (1985): A Phylogenetic analysis of higher taxa in the Phylum Sipuncula. Systematic Zoology 34(2):162-173.
  4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Cutler, Edward B. & Cutler, Norma J (1989): A revision of the genus Aspidosiphon (Sipuncula: Aspidosiphonidaea). Proceedings of Biological Society of Washington 102(4):826-865 Bistor
  5. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Cutler, Edward B. (1994): The Sipuncula: their systematic, biology and evolution. 406p ISBN 0-8014-2843-2 Google Book
  6. 1 2 3 4 Cutler, Edward B. (1973): Sipuncula of the Western North Atlantic. Bulletin of American Museum of Natural History 152(3)103-201. New York.
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