Pterokrohnia arabica   Srinivasan,  1988 (Marine Worm)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chaetognatha
Class: Sagittoidea
Order:Aphragmophora
Family:Pterokrohniidae

Image copyrights: A. Pierrot-Bults

Description
Maximum adult body length: 11 mm; tail: 19-24 %.

Hooks: 9-13; anterior teeth: none; posterior teeth: 10-16. Body firm, opaque; transversal musculature absent; head wide; hooks serrated in juveniles. One pair of long lateral fins both on trunk and tail; lateral fins partially rayed, with rays only on tail segment, rounded. Collarette absent; gut diverticula absent; large eyes with T-shaped pigment. Seminal vesicles conical; position of seminal vesicles: touching neither posterior fins nor tail fin. Ovaries short; ova small. Adhesive papillae and adhesive organs absent.


Synonym (s)

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Pelagic

Biogeography


• Arabian Sea INDIA

Literature Source(s)
  • Srinivasan, M (1986) Pterokrohnia arabica, a new genus and new species of Chaetognatha from the Arabian Sea Journal of the Marine Biological Association of India 28(1-2) 199-201 Available at - NCL, Pune (ASFA Records - 3)
  • Alfred, JRB; Das, AK and Sanyal, AK (Eds.) (1998) Faunal diversity in India ZSI, Calcutta 1-497 Available at - NCL, Pune
  • Das, A (2003) A catalogue of new taxa described by the scientists of the zoological survey of India during 1916-1991 Occasional paper no 208 ZSI, Kolkata 530 pp
  • Srinivasan, M (1988) Pterokrohina arabica, a new genus and a new species of Chaetognatha from the Arabian Sea Journal of the Marine Biological Association of India 28(1-2) 199-201
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Sealifebase Available at - http://www.sealifebase.org/
  • Pierrot-Bults, A (2004) Chaetognatha of the world World biodiversity database Available at - http://nlbif.eti.uva.nl/bis/chaetognatha.php?menuentry=zoeken

Page last updated on:2010-09-03

Back to Search