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Taxonomic revision and phylogenetic relationships in Pyromaia Stimpson, 1871 (Crustacea: Brachyura: Majoidea)

Grant number: 08/11280-6
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): July 01, 2009
Effective date (End): June 30, 2011
Field of knowledge:Biological Sciences - Zoology - Taxonomy of Recent Groups
Principal researcher:Marcos Domingos Siqueira Tavares
Grantee:William Ricardo Amancio Santana
Home Institution: Museu de Zoologia (MZ). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Pyromaia, a genus of majoid crabs represented by six nominal species, is found only in the Americas, occurring in Atlantic and Pacific oceans. Recent phylogenetic hypotheses, based in morphological characters, revealed that Pyromaia stricto sensu is paraphyletic. Despite the apparent paraphyletism, Pyromaia forms a monophyletic clade with Anasimus species. However, it is clear that the characters proposed so far are not sufficient to resolve satisfactorily the relationships between Pyromaia and Anasimus. Furthermore, some species of Pyromaia, in special P. tuberculata, are in need of revision as they have a confusing taxonomic situation. Within this context, the aims of this study are: (i) perform a phylogenetic analyses of Pyromaia species including new data sources (molecular analyses); (ii) increase the data matrix of morphological characters, including the study of new morphological complexes of adults; (iii) review the taxonomy of the species of Pyromaia and Anasimus based on the achievements of the phylogenetic analyses.

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Scientific publications (4)
(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)
TAVARES, MARCOS; SANTANA, WILLIAM; PETTAN, RENATA. Rochinia confusa, a junior synonym of R-umbonata (Crustacea: Brachyura: Epialtidae) as revealed by ontogenetic changes. Journal of the Marine Biological Association of the United Kingdom, v. 96, n. 5, p. 1065-1071, . (08/11280-6, 13/01201-0)
DOS SANTOS, KATIA CHRISTOL; SANTANA, WILLIAM; SETUBAL PIRES-VANIN, ANA MARIA. Postispinatus youngi n. gen., n. sp (Apseudomorpha; Tanaidacea; Crustacea): phylogenetic analysis and taxonomic remarks about kalliapseudids. Zootaxa, n. 3192, p. 24-38, . (08/11280-6, 09/05454-4)

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