Becoming a limpet: An 'intermittent limpetization' process driven by host features in the kleptoparasitic gastropod family Capulidae

Type Article
Date 2021-02
Language English
Author(s) Fassio Giulia1, Bouchet Philippe2, Lozouet Pierre3, Modica Maria VittoriaORCID4, Russini ValeriaORCID1, Schiaparelli Stefano5, 6, Oliverio Marco1
Affiliation(s) 1 : Sapienza Univ Rome, Dept Biol & Biotechnol Charles Darwin, Zool Viale Univ 32, I-00185 Rome, Italy.
2 : Sorbonne Univ, Inst Systemat, Museum Natl Hist Nat,UPMC, Evolut,Biodiversite,ISYEB,UMR7205,CNRS,EPHE,MNHN, 43 Rue Cuvier, F-75231 Paris 05, France.
3 : Museum Natl Hist Nat, Direct Collect, 55 Rue Buffon, F-75005 Paris, France.
4 : Stn Zool Anton Dohrn, Dept Biol & Evolut Marine Organisms, I-80121 Naples, Italy.
5 : Univ Genoa, Dept Earth Environm & Life Sci DISTAV, Corso Europa 26, I-16132 Genoa, Italy.
6 : Univ Genoa, Sect Genoa, Italian Natl Antarctic Museum MNA, Viale Benedetto XV 5, Genoa, Italy.
Source Molecular Phylogenetics And Evolution (1055-7903) (Academic Press Inc Elsevier Science), 2021-02 , Vol. 155 , P. 107014 (10p.)
DOI 10.1016/j.ympev.2020.107014
WOS© Times Cited 9
Keyword(s) Limpetization, Kleptoparasitism, Capulidae, Divergence time estimation, Ancestral state reconstruction
Abstract

A coiled shell is the most evident feature of the typical Bauplan of a gastropod mollusc. However, at least 54 families independently evolved an apparently simplified shell morphology: the limpet. Species with this largely uncoiled, depressed shell morphology occur in almost every aquatic habitat and are associated to a number of different lifestyles and diets. The marine gastropod family Capulidae includes 18 recognised genera, the large majority of which are coiled, but with a number of limpet-like species. Capulid shell plasticity is also associated to a broad range of feeding ecologies, from obligate suspension feeders to kleptoparasites. To investigate the evolution of the limpet-like shell in the family Capulidae we performed an ancestral state reconstruction analysis on a time-calibrated phylogenetic tree (COI, 16S, and ITS2) including 16 species representing a good deal of its morphological diversity. Our results identified at least three capulid lineages that independently evolved limpet-like shells, suggesting that a recurrent limpetization process characterizes this family. One of the limpet-like genera was undescribed and was here named Cryocapulus n. gen. We suggest that capulids evolved from a coiled suspension feeder lineage and that the shift to kleptoparasitism, which occurred in the family ancestor, may have represented a strategy to save energy through the exploitation of the water current produced by the host. Probably the major drivers of shell evolution in capulids are related to their ecology, most of them being kleptoparasites, include the shape and the kind of host substrate, and lead to the repeated acquisition of a limpet-like shape.

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Fassio Giulia, Bouchet Philippe, Lozouet Pierre, Modica Maria Vittoria, Russini Valeria, Schiaparelli Stefano, Oliverio Marco (2021). Becoming a limpet: An 'intermittent limpetization' process driven by host features in the kleptoparasitic gastropod family Capulidae. Molecular Phylogenetics And Evolution, 155, 107014 (10p.). Publisher's official version : https://doi.org/10.1016/j.ympev.2020.107014 , Open Access version : https://archimer.ifremer.fr/doc/00756/86755/