Tubulanidae
| Tubulanidae | |
|---|---|
| |
| Tubulanus polymorphus at bottom left | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Nemertea |
| Class: | Palaeonemertea |
| Order: | Tubulaniformes |
| Family: | Tubulanidae |
| Genera | |
|
See text | |
Tubulanidae is a family of primitive nemertean worms in the order Palaeonemertea.
Characteristics
[edit]Worms in this family have slightly flattened, rounded heads and approximately cylindrical bodies. Apart from the genera, Callinera and Carinina, worms in this family have paired cerebral sensory organs located on either side of the constriction where the head joins the body. Some species are red or brown, often with distinctive white bands or longitudinal stripes, but others are small and so translucent that their cerebral organs can be seen through the skin.[1]
Genera
[edit]The World Register of Marine Species includes the following genera in the group:[2]
- Callinera Bergendal, 1900[3]
- Carinesta Punnett, 1900
- Carinina Hubrecht, 1885
- Parahubrechtia Gibson & Sundberg, 1999
- Protubulanus Chernyshev, 1995
- Tubulanus Renier, 1804
References
[edit]- ^ Hayward, Peter J.; Ryland, John S. (2017). Handbook of the Marine Fauna of North-West Europe. Oxford University Press. pp. 145–146. ISBN 978-0-19-954944-3.
- ^ Gibson, Raymond (2004). "Tubulanidae". WoRMS. World Register of Marine Species. Retrieved 6 September 2017.
- ^ Bergendal, D. (1900). "Über ein Paar sehr eigenthümliche nordische Nemertinen". Zoologischer Anzeiger (in German). 23: 313–328.
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