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Biodiversity and endemic patterns of Majoidea (Crustacea, Decapoda, Brachyura) in Brazil

Grant number: 13/01201-0
Support type:BIOTA-FAPESP Program - Regular Research Grants
Duration: June 01, 2013 - May 31, 2015
Field of knowledge:Biological Sciences - Zoology
Principal Investigator:William Ricardo Amancio Santana
Grantee:William Ricardo Amancio Santana
Home Institution: Pró-Reitoria de Pesquisa e Pós-Graduação. Universidade do Sagrado Coração (USC). Bauru , SP, Brazil
Assoc. researchers:Marcos Domingos Siqueira Tavares


The order Decapoda is the most diverse group within Crustacea. In this context, the infraorder Brachyura has, approximately, 6900 known species. Within the Brachyura, the superfamily Majoidea is a large group and shows great morphological diversity, including the biggest known arthropods and very small species. Several species of this superfamily have a great ecological importance, mainly in the maintenance of the reef environments where they are commonly found. Among the Brachyura, roughly 400 marine species are found on the Brazilian coast. In Majoidea this number is approximately 80, with 44 presenting a disjunctive distribution between the Caribbean Sea and Western South Atlantic. The idea that disjunctive patterns of distribution between the Caribbean Sea and Western South Atlantic are common is largely widespread in the scientific literature. However, these patterns remain untested for many groups, which makes difficult to interpret such patterns as naturals or resulting from low taxonomic resolution. Besides the low taxonomic resolution, three possibilities can explain such patterns: (i) the low quantity of sampled material in the region; (ii) natural pattern with the mouth of the Amazon River acting as a biogeographical barrier; (iii) and the possibility of these species are formed by complexes difficult to identify. The present project aims to evaluate in large scale the biodiversity and the endemic patterns of Majoidea in the Western Atlantic Ocean, with the Brazilian coast as a priority, through detailed morphological studies of the Majoidea species. Also, specific objective are to describe possible new genus and species and establish synonymies; upgrade the distribution patterns of the species studied, and recognize possible complexes of species. (AU)

Scientific publications (14)
(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)
COLAVITE, JESSICA; WINDSOR, AMANDA; SANTANA, WILLIAM. Three new species and a new genus of majoid crabs from the eastern Pacific (Decapoda, Brachyura). ZOOKEYS, n. 825, p. 1-24, FEB 18 2019. Web of Science Citations: 2.
FEITOSA SARAIVA, ANTONIO ALAMO; PINHEIRO, ALLYSSON PONTES; SANTANA, WILLIAM. A remarkable new genus and species of the planktonic shrimp family Luciferidae (Crustacea, Decapoda) from the Cretaceous (Aptian/Albian) of the Araripe Sedimentary Basin, Brazil. JOURNAL OF PALEONTOLOGY, v. 92, n. 3, p. 459-465, MAY 2018. Web of Science Citations: 4.
MOLLEMBERG, MICHELLE; ZARA, FERNANDO JOSE; SANTANA, WILLIAM. Morphology and ultrastructure of the adult ovarian cycle in Mithracidae (Crustacea, Decapoda, Brachyura, Majoidea). HELGOLAND MARINE RESEARCH, v. 71, p. 1-14, JUL 21 2017. Web of Science Citations: 1.
SCARABINO, FABRIZIO; PINHEIRO, ALLYSSON P.; SANTANA, WILLIAM. Distribution of slipper lobsters (Decapoda: Scyllaridae) in Uruguayan waters. Nauplius, v. 25, p. -, 2017. Web of Science Citations: 0.
COLAVITE, JESSICA; SANTANA, WILLIAM; TAVARES, MARCOS. Morphological differences between Stenocionops furcatus (Olivier, 1791) and S. coelatus (A. Milne-Edwards, 1878) (Crustacea, Decapoda, Brachyura, Majoidea). Zootaxa, v. 4184, n. 3, p. 517-528, NOV 7 2016. Web of Science Citations: 1.
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, AUG 2016. Web of Science Citations: 4.
JÉSSICA COLAVITE; REGULO LÓPEZ; JESÚS HERNÁNDEZ; JUAN BOLAÑOS; WILLIAM SANTANA. First zoeal stage of Macrocoeloma subparallelum (Stimpson, 1860) (Decapoda: Brachyura: Majoidea) described from laboratory hatched material. Nauplius, v. 24, p. -, 2016.
COLAVITE, JESSICA; LOPEZ, REGULO; HERNANDEZ, JESUS; BOLANOS, JUAN; SANTANA, WILLIAM. First zoeal stage of Macrocoeloma subparallelum (Stimpson, 1860 ( Decapoda: Brachyura: Majoidea described from laboratory hatched material. Nauplius, v. 24, 2016. Web of Science Citations: 1.
SANTANA, WILLIAM; COLAVITE, JESSICA; BOLANOS, JUAN; HERNANDEZ, JESUS E.; CANEPA, MIGUEL. Morphology of the larval stages of Pitho aculeata (Gibbes, 1850) (Crustacea, Brachyura, Majoidea) and its implications on the taxonomic position of the genus. MARINE BIOLOGY RESEARCH, v. 12, n. 8, p. 854-863, 2016. Web of Science Citations: 2.
SANTANA, WILLIAM. A new species of Sunipea Griffin & Tranter, 1986 (Crustacea: Brachyura: Inachidae) and a redescription of Sunipea indicus (Alcock, 1895). Zootaxa, v. 4052, n. 3, p. 383-393, DEC 3 2015. Web of Science Citations: 0.
TAVARES, MARCOS; SANTANA, WILLIAM. A new genus and two new species of hymenosomatid crabs (Crustacea: Brachyura: Hymenosomatidae) from the southwestern Atlantic and eastern Australia. Zootaxa, v. 3905, n. 1, p. 91-106, JAN 9 2015. Web of Science Citations: 5.
COLAVITE, JESSICA; SANTANA, WILLIAM; POHLE, GERHARD. Larval development of the spider crab Menaethius monoceros (Latreille, 1825), (Crustacea: Decapoda: Brachyura: Epialtidae). Journal of Natural History, v. 48, n. 37-38, p. 2273-2292, 2014. Web of Science Citations: 5.

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