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1 September 2010 King crabs up-close: ontogenetic changes in ornamentation in the family Lithodidae (Crustacea, Decapoda, Anomura), with a focus on the genus Paralomis
Sally Hall, Sven Thatje
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Abstract

In this study, we describe the carapace ornamentation found in species of Lithodidae (Decapoda, Anomura), focussing primarily on the genus Paralomis, which displays the greatest diversity of forms, globally. Evidence of ontogenetic change in the surface ornamentation of lithodids has previously been highlighted for one species of Paralomis (P. granulosa Jaquinot, 1847); however, its wider occurrence within the family has never been formally examined. Growth-related change in dorsal spines and tubercles was considered using growth-series from eight species of Paralomis (P. mendagnai, S Pacific; P. multispina, N Pacific; P. spinosissima, P. granulosa, S Atlantic; P. inca, SE Pacific; P. erinacea, E Atlantic; P. cubensis, Caribbean; P. stella, S Indian Ocean). Tubercular structures from adult specimens of 24 additional species of Paralomis are figured in order to provide a reference for future diagnosis. This study shows that ontogenetic changes should be considered when identifying specimens of Lithodidae to species level.

© Publications Scientifiques du Muséum national d'Histoire naturelle, Paris.
Sally Hall and Sven Thatje "King crabs up-close: ontogenetic changes in ornamentation in the family Lithodidae (Crustacea, Decapoda, Anomura), with a focus on the genus Paralomis," Zoosystema 32(3), 495-524, (1 September 2010). https://doi.org/10.5252/z2010n3a10
Received: 7 October 2009; Accepted: 1 June 2010; Published: 1 September 2010
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