2023
DOI: 10.1002/ece3.9744
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Phylomorphometrics reveal ecomorphological convergence in pea crab carapace shapes (Brachyura, Pinnotheridae)

Abstract: Most pea crab species (Crustacea: Decapoda: Brachyura: Pinnotheridae) are characterized by their symbiotic lifestyle, often thought to be obligate parasites or commensals (Baeza, 2015). The degree of host dependency is, however, still unclear for most species. The species within the subfamily Pinnotherinae are known to be endo-or ectosymbiotic inhabitants of bivalves, polyplacophorans, gastropods, holothurians, echinoids, brachiopods, and ascidians (de Gier & Becker, 2020). Although some species have a broad h… Show more

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Cited by 4 publications
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“…Dactylus shape data were acquired from taxonomic literature. No notable intraspecific variation in the third pereiopod dactylus shape has been recorded for the included species, so one specimen for each species was used (as in de Gier, 2023 ). For the newly acquired SEM images, collection material was used that was obtained during historical and recent expeditions and has been deposited in the decapod collection of Naturalis Biodiversity Center (previously Rijksmuseum van Natuurlijke Historie; RMNH.CRUS.D).…”
Section: Methodsmentioning
confidence: 99%
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“…Dactylus shape data were acquired from taxonomic literature. No notable intraspecific variation in the third pereiopod dactylus shape has been recorded for the included species, so one specimen for each species was used (as in de Gier, 2023 ). For the newly acquired SEM images, collection material was used that was obtained during historical and recent expeditions and has been deposited in the decapod collection of Naturalis Biodiversity Center (previously Rijksmuseum van Natuurlijke Historie; RMNH.CRUS.D).…”
Section: Methodsmentioning
confidence: 99%
“…In this way, scale was set to ‘uniform’ and centroid size was not taken into account. Species were coloured in the morphospaces based on their host association (similar to de Gier, 2023 ). Morphospaces with all species annotated in the plot can be found in the supplementary datafile (Figures S2 and S3 ; numbers in Table S1 ).…”
Section: Methodsmentioning
confidence: 99%
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