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Comparative phylogenetic methods and mantle margin evolution: implications for morphological and ecological diversification in Pteriomorphia (Mollusca, Bivalvia)

Grant number: 17/01365-3
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): June 01, 2017
Effective date (End): October 31, 2017
Field of knowledge:Biological Sciences - Zoology - Morphology of Recent Groups
Principal researcher:José Eduardo Amoroso Rodriguez Marian
Grantee:Jorge Alves Audino
Supervisor abroad: Jeanne Marie Serb
Home Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Research place: Iowa State University, United States  
Associated to the scholarship:15/09519-4 - Evolution and functional anatomy of the mantle margin in the Pteriomorphia (Mollusca, Bivalvia), BP.DR


The bivalve mantle margin comprises the free portion of the pallial lobes and often bears muscular, sensory or secretory structures located on extensions, called mantle folds. In the bivalve Infraclass Pteriomorphia, which underwent an extensive adaptive radiation in epifaunal habitats, the mantle margin exhibits an enormous diversity in mantle fold organization and associated structures. Furthermore, a deep connection between pallial margin and modes of life has presumptively played crucial roles in the diversification and evolution of this clade. In this context, the present project aims at inferring the internal phylogenetic relationships of Pteriomorphia based on molecular data, using this phylogeny to reconstruct ancestral character states, and ultimately evaluating the evolutionary significance of the mantle margin. Consequently, hypotheses of key innovations, homologies and evolutionary convergence of the mantle margin should be tested. In addition, putative correlations between pallial traits and habits of life will be analyzed to support more specific hypotheses on the association between lifestyles and mantle morphology in bivalve lineages. Combined with the main project developed in Brazil, this proposal will provide an integrated scenario to evaluate macroecological patterns underlying morphological evolution of the mantle margin and diversification of pteriomorphian bivalves. (AU)

Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
AUDINO, JORGE A.; SERB, JEANNE M.; MARIAN, JOSE EDUARDO A. R. Untangling the diversity and evolution of tentacles in scallops, oysters, and their relatives (Bivalvia: Pteriomorphia). ORGANISMS DIVERSITY & EVOLUTION, v. 21, n. 1 JAN 2021. Web of Science Citations: 0.
AUDINO, JORGE A.; SERB, JEANNE M.; MARIAN, JOSE EDUARDO A. R. Phylogeny and anatomy of marine mussels (Bivalvia: Mytilidae) reveal convergent evolution of siphon traits. ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY, v. 190, n. 2, p. 592-612, OCT 2020. Web of Science Citations: 1.
AUDINO, JORGE ALVES; SERB, JEANNE MARIE; AMOROSO RODRIGUEZ MARIAN, JOSE EDUARDO. Hard to get, easy to lose: Evolution of mantle photoreceptor organs in bivalves (Bivalvia, Pteriomorphia). Evolution, v. 74, n. 9 AUG 2020. Web of Science Citations: 0.
AUDINO, JORGE A.; MARIAN, JOSE EDUARDO A. R. Detailed comparative anatomy of the Pinnidae (Mollusca, Bivalvia) reveals further unusual mantle specializations. ZOOLOGISCHER ANZEIGER, v. 285, p. 27-36, MAR 2020. Web of Science Citations: 0.
AUDINO, JORGE A.; SERB, JEANNE M.; MARIAN, JOSE EDUARDO A. R. Ark clams and relatives (Bivalvia: Arcida) show convergent morphological evolution associated with lifestyle transitions in the marine benthos. Biological Journal of the Linnean Society, v. 126, n. 4, p. 866-884, APR 2019. Web of Science Citations: 2.

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