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Issue: Vol. 5081 No. 2: 10 Dec. 2021
Type: Article
Published: 2021-12-10
DOI: 10.11646/zootaxa.5081.2.6
Page range: 275-285
Abstract views: 497
PDF downloaded: 69

Odontonia kerangcaris sp. nov., a new bivalve-associated shrimp (Crustacea, Decapoda, Palaemonidae) from East Kalimantan, revealing intrageneric host switching

Taxonomy, Systematics & Geodiversity Group, Naturalis Biodiversity Center, P.O. Box 9517, NL-2300 RA, Leiden, The Netherlands.
Taxonomy, Systematics & Geodiversity Group, Naturalis Biodiversity Center, P.O. Box 9517, NL-2300 RA, Leiden, The Netherlands. Institute of Biology Leiden, Leiden University, P.O. Box 9505, 2300, RA Leiden, The Netherlands.
Taxonomy, Systematics & Geodiversity Group, Naturalis Biodiversity Center, P.O. Box 9517, NL-2300 RA, Leiden, The Netherlands. Groningen Institute for Evolutionary Life Sciences, University of Groningen, P.O. Box 11103, 9700 CC Groningen, The Netherlands.
Crustacea new species Indonesia intrageneric host switching

Abstract

A new species of bivalve mollusk dwelling palaemonid shrimp of the genus Odontonia is described from the Berau Islands, East Kalimantan, Indonesia. This is the only Odontonia species recorded as a symbiont of a bivalve mollusk, all other congeners are known to associate with solitary ascidians. The new species belongs to the group wherein the dactylus of the ambulatory pereiopods has an accessory tooth. It differs from these species in the absence of a forward directed proximal tooth on the flexor margin of the corpus of the ambulatory dactyli. It also lacks the small denticles posterior to the distoventral accessory tooth on the dactylar corpus.

 

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