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Eurythoe complanata (Polychaeta: Amphinomidae), the ‘cosmopolitan’ fireworm, consists of at least three cryptic species
TLDR
COI sequences between Pacific and Atlantic lineages were much more divergent than those of other transisthmian invertebrates, indicating their split before the Panama Isthmus closure or a faster evolutionary rate of COI for this species. Expand
The curious case of Hermodice carunculata (Annelida: Amphinomidae): evidence for genetic homogeneity throughout the Atlantic Ocean and adjacent basins
TLDR
Analysis of the genetic diversity of Hermodice throughout its distribution range in the Atlantic Ocean revealed generally low genetic divergences among collecting localities and between the East and West Atlantic, although phylogenetic trees based on mitochondrial data indicate the presence of a private lineage in the Mediterranean Sea. Expand
Genetic and morphometric differences between yellowtail snapper (Ocyurus chrysurus, Lutjanidae) populations of the tropical West Atlantic
TLDR
It is concluded that the genetic data do not allow the rejection of the null hypothesis of panmixia for Brazilian yellowtail snapper populations which should be treated as a single genetic stock, with a latitudinal gradient on their morphology which probably results from phenotypic plasticity. Expand
Rhodolith Morphology and the Diversity of Polychaetes Off the Southeastern Brazilian Coast
TLDR
There is a significant difference between Espírito Santo, Brazil, and the Abrolhos, as reflected by the polychaete taxocoenosis, demonstrated by a clear differentiation in species and family composition and also by feeding guilds, indicating how different rhodolith morphologies can affect community structure. Expand
Factors influencing spatial patterns of molluscs in a eutrophic tropical bay
Samples were collected from 10 stations distributed through three sectors in Guanabara Bay during two consecutive years, in order to determine factors that influence the spatial pattern of molluscsExpand
The Multitentaculate Cirratulidae of the Genera Cirriformia and Timarete (Annelida: Polychaeta) from Shallow Waters of Brazil
TLDR
The species Timarete oculata, originally described from Brazil and lumped into the Timaretes filigera species complex, is herein revalidated and redescribed. Expand
Experimental evaluation of rhodoliths as living substrata for infauna at the Abrolhos Bank, Brazil
TLDR
Over large areas of the Brazilian continental shelf, coralline algal rhodoliths provide habitats with high community diversity and in order to understand the mechanisms behind this diversity, a large number of these habitats need to be disturbed. Expand
Environmental effects on the reproduction and fecundity of the introduced calcareous sponge Paraleucilla magna in Rio de Janeiro, Brazil
TLDR
The results show that P. magna is a species with a strong invasive potential, considering its high and continuous reproductive effort, and this high fecundity stimulated by high temperatures may be a key factor contributing to the growth of populations and its invasion of new areas. Expand
Multiple transisthmian divergences, extensive cryptic diversity, occasional long‐distance dispersal, and biogeographic patterns in a marine coastal isopod with an amphi‐American distribution
TLDR
These findings underscore the importance of comprehensive geographic sampling for phylogeographic and taxonomical studies of broadly distributed putative species harboring extensive cryptic diversity. Expand
A phylogenetic analysis of the genus Eunice (Eunicidae, polychaete, Annelida)
TLDR
Most of the traditional characters used in the taxonomy of Eunice are homoplasies; however, characters used for the first time in this study, such as certain jaw characters and characters derived from a close examination of chaetal variation along the body, are promising sources of phylogenetic signal. Expand
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