Scalibregma inflatum
| Scalibregma inflatum | |
|---|---|
.JPG) | |
| S. inflatum under stereo microscope | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Class: | Polychaeta |
| Family: | Scalibregmatidae Malmgren, 1867 |
| Genus: | Scalibregma Rathke, 1843 |
| Species: | S. inflatum |
| Binomial name | |
| Scalibregma inflatum Rathke, 1843 | |
Scalibregma inflatum (Rathke, 1843) also known as T headed worm, is a burrowing marine polychaete. It is a cosmopolitan species that can be found from the Arctic to Antarctica although most probably several species are confounded.[1]
Morphology
Up to 6 cm long with an orange body with 50-60 segments. Body is composed of a wide anterior part of segments 15-17 and a long slim posterior part. Prostomium rectangular shaped with two lateral horns making it appear as a T. Peristomium without chaetae. Parapodia small and oval at first increasing in size from segments 16-18. Four pairs of branching gills dorsally on 2-5 segment with chaetae.[2][3]
Ecology
Mainly found in muddy substrate, but can also be found in sand and between stones and shells. S. inflatum is a deposit feeder. During the spawning period S. inflatum undergoe epitoky.[2][3]
Systematics
Scalibregma inflatum is found within the Polychaete family Scalibregmatidae. The genus Scalibregma is composed of 14 different species.[4]
References
- ↑ Bakken, T., E. Oug & J.A. Kongsrud (2014). "Occurrence and distribution of Pseudoscalibregma and Scalibregma (Annelida, Scalibregmatidae) in the deep Nordic Seas, with the description of Scalibregma hanseni". Zootaxa. 3753 (2): 101–117. doi:10.11646/zootaxa.3753.2.1.
- 1 2 Kirkegaard, J. B. (1996). "Havbørsteorme II". Danmarks Fauna 86: 241–242.
- 1 2 Hayward, P. J. & Ryland, J. S (1995). "Handbook of the Marine Fauna of North- West Europe". Oxford University Press: 224.
- ↑ WoRM. "http://www.marinespecies.org/aphia.php?p=taxdetails&id=130980". External link in
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