Chromadorina germanica   (Butschli,  1874) (Marine Worm)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Nematoda
Class: Adenophorea
Order:Chromadorida
Family:Chromadoridae

Description
Size: Body length 0.8mm; Max diameter 27-31µm.

Cuticle with transverse rows of small rounded dots; without lateral differenciation. Six small rounded labial papillae. Four cephalic setae, four files of cervical setae, as long as cephalic setae; somatic setae scarce but more numerous on tail. Buccal cavity with a large solid dorsal tooth and two smaller equal subventral teeth. Prominant brownish pigment spots from anterior end, with trails of pigment granules extending back almost to the level of oesophageal bulb. Oesophageal bulb oval with plasmatic interruptions near its anterior end and a lining of large prominant cuticularised semicircular valves. Tail conico-cylindrical. Spinneret well set-off. Spicules measured as a curve; arcuate with a ventral proximal swelling, rounded distal ends and a delicate ventral ala. Gubernaculum 16-17µm, distal end with a pair of lateral processes, each bearing three fine teeth. 17-18 cup shaped precloacal supplements, a small ventral seta immediately in front of cloaca.

Separate sexes; fertilization internal, eggs may be retained until hatching. Young appear as juvenile worms (not larvae).


Synonym (s)

Common Name (s)
Economic Importance and Threats
Importance:  Ecosystem balance
(Useful in determining environmental quality.)

Ecology
Prey:  bacteria, fungi and other nematodes

Biogeography


• Bay of Bengal (Lat: 15) (Long: 90) INDIA

Literature Source(s)
  • Venkataramanujam, K (1988) On a sei whale, Balaenoptera borealis stranded at Tuticorin, East coast of India Investigations on Cetacea 21 247-249
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Platt, HM and Warwick, RM (1988) Free living marine nematodes part II British chromadorids Linnean society of London and the estuarine and brackish-water sciences association 38 502 pp Available at - NIO, Goa

Page last updated on:2011-08-17

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