André Rinaldo Senna

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A new amphipod species of the genus Elasmopus Costa, 1853 is described based on material collected from intertidal rocky shore, near the Suape Harbor, coast of the Brazilian state of Pernambuco. The new species may be recognized by the propodus of gnathopod 2 suboval, slightly tapering distally, palmar margin not defined by a stout seta, spine, or palmar(More)
A new species Peramphithoe conlanae sp. nov. is described from Todos os Santos Bay, Bahia, Northeast Brazil. The new species is characterized by the morphology of male gnathopod 1 coxa with anteroventral corner acute, palm transverse bearing a robust seta on the palmar corner and dactylus 2 × palm length, gnathopod 2 with propodus oval, palm extremely(More)
A new species of the amphipod family Ampithoidae Stebbing, 1899 is described from the northeastern Brazilian waters. The new described taxon is grouped in the genus Cymadusa Savigny, 1816, since it presents all the diagnostic characteristics of the genus. The examined material was collected by scuba diving in the Rocas Atoll, off Rio Grande do Norte state(More)
75 *To whom correspondence and reprint requests should be addressed. E-mail: The Terebelliformia (sensu Rouse and Pleijel 2001) is a group of sedentary polychaetes comprising the families Terebellidae, Ampharetidae, Alvinellidae, and Pectiinaridae. Within the taxon Terebelliformia, the family Terebellidae contains more than 400 species(More)
This paper describes a species of the genus Cyphocaris Boeck, 1871, the first record of the family Cyphocarididae Lowry & Stoddart, 1997 from Brazil. Two specimens, both females, were found in the stomach contents of a tuna caught in the Saint Peter and Saint Paul Archipelago. The new species is characterized by coxae 4 and 5 both large, coxa 4 partially(More)
The new subfamily Iuiuniscinae, Styloniscidae, is erected for the new genus Iuiuniscus and the new species I. iuiuensis, which is described from cave of the State of Bahia, Northeastern Brazil. A special ecological character is shown here for the first time for a New World Oniscidea: the construction of mud shelters. An introduction addressing the(More)
A new troglobitic species of the amphipod family Artesiidae Holsinger, 1980 is described from a cave in the municipality of Santa Maria da Vitória, in the Brazilian state of Bahia, northeastern Brazil. Spelaeogammarus titan sp. nov. differs from the others in the genus by its body length, rising up to 18.3 mm, the antenna 1 with accessory flagellum(More)
The genus Elasmopus is the most diverse in the Family Maeridae. Five new species and new records of Elasmopus from the Brazilian coast are herein described. The specimens were collected in intertidal and subtidal zones along the Northeastern Brazilian coast between 2010 and 2014. The distribution of Elasmopus longipropodus along the coast is extended.(More)
A new species of the genus Shoemakerella Pirlot, 1936 is described for the Southeastern Brazilian continental shelf. The new species is easily recognized from the others in the genus mainly by the shape of the gnathopod 2. This is the first species of Shoemakerella from Brazilian waters.
Four new species of the genus Cymadusa are described from Brazil (states of Ceará, Espírito Santo and Rio de Janeiro). Cymadusa icapui is described from Ceará state, C. trindadensis is described from Espírito Santo state, C. rasae and C. tartarugae are described from Rio de Janeiro state. Two identification keys are presented: one to all known species of(More)