A new species of Sagitta (Chaetognatha) from a Laccadive lagoon (Indian Ocean) having fan-shaped anterior teeth: phylogenetical implications
- 1 January 2002
- journal article
- research article
- Published by Taylor & Francis in Journal of Natural History
- Vol. 36 (2) , 149-156
- https://doi.org/10.1080/00222930010009345
Abstract
A new chaetognath, Sagitta nairi n. sp., is described from the Agatti Lagoon, Laccadive Sea (India). It is easily recognizable by its unexpected fan-shaped anterior teeth, the main characteristic feature that justifies, among the Order Aphragmophora (species devoid of transverse musculature), the distinction of the suborder Flabellodontina for the two species of the genus Krohnitta, as opposed to the Ctenodontina (genera Sagitta and Pterosagitta).Keywords
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