Seisonidae
| Seisonidae | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Rotifera |
| Class: | Seisonidea |
| Order: | Seisonida |
| Family: | Seisonidae Wesenberg-Lund, 1899 |
| Genera | |
Seisonidae is a family of rotifers, found on the gills of Nebalia, a marine crustacean. Peculiar among rotifers, males and females are both present and equal in size. Males and females are similar with paired gonads. It is considered to have diverged from the other rotifers early on, and in one treatment is placed in a separate class Seisonoidea.[1] They have a large and elongate body with reduced corona.[2] Their muscular system is similar to that of other rotifers: They have longitudinal muscles as well as open annular muscles
Species
Two genera with total three species belong to Seisonidae:[3]
- Paraseison Plate, 1887
- Paraseison annulatus (Claus, 1876) — ectoparasite of Nebalia[3]
- Seison Grube, 1861
- Seison nebaliae Grube, 1861 – commensal of Nebalia[3]
- Seison africanus Sorensen, Segers & Funch, 2005 — host is unknown.[3]
References
- ^ Ruppert, Edward E.; Fox, Richard S; Barnes, Robert D. (2004), Invertebrate zoology : a functional evolutionary approach (7th ed.), Belmont, CA: Thomson-Brooks/Cole, ISBN 978-0-03-025982-1
{{citation}}: Unknown parameter|lastauthoramp=ignored (|name-list-style=suggested) (help), p. 98 - ^ Harley, Stephen A. Miller, John P. (2002). Zoology 5th edition (5th ed.). Boston [etc.]: McGraw-Hill. p. 160. ISBN 978-0070294110.
{{cite book}}: CS1 maint: multiple names: authors list (link) - ^ a b c d Sorensen, M. V., H. Segers & P. Funch (2005). On a new Seison Grube, 1861 from coastal waters of Kenya, with a reappraisal of the classification of the Seisonida (Rotifera). Zoological Studies 44 (1): 34–43. Fulltext
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