A new recent marine Ostracoda species (Hemicytheridae) from Brazil

Coimbra, João Carlos; Bergue, Cristianini Trescastro

doi:10.1590/s0073-47212003000300003

Cited by 10 publications

(9 citation statements)

References 1 publication

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“…The first is also very abundant in the Brazilian equatorial shelf and occurs sporadically along the northeastern Brazilian shelf (Purper & Ornellas, 1987), whereas L. bullata has been recorded in southeastern and southern Brazil where it can withstand some changes in salinity and temperature and dwell not only bottom sediments, but Sargassum mats (see Coimbra & Bergue, 2003;Coimbra et al, 2007). According to the species recovered in these two study areas, it seems that interchange between the equatorial and northeast Brazilian shelves and the seamounts was probably more effective at Rocas Atoll, which is much closer to the Brazilian coast than Trindade Island.…”

Section: Discussion and Concluding Remarksmentioning

confidence: 99%

“…This species was previously identified by Coimbra et al (1999b) as Hermanites transoceanicus and by Coimbra et al (2009) as Tenedocythere? sp.…”

Section: Remarks Although There Is Debate On the Affinities Ofmentioning

confidence: 95%

“…Coimbra et al (2009) tentatively proposed that this genus, which has few species, migrated from an origin in the Australian region (see Hartmann, 1978) during the Quaternary. Nevertheless, the currently documented distribution of Australimoosella detracts from resolving an obvious migration route or mechanism.…”

Section: Taxonomymentioning

confidence: 99%

“…They have focused on both the flora (Joly, 1950;Pedrini, 1989;Nassar, 1994;Alves & Guimarães 1998;Yoneshigue-Valentin et al, 2005;Villaça et al, 2006) and fauna (Vannucci, 1950;Carvalho, 1950;Pinto, 1957;Lanzieri, 1966;Brito, 1971;Coelho, 1974;Breure & Coelho 1976;Tavares, 1999;Moraes et al, 2006;Pinheiro et al, 2009;Pereira-Filho et al, 2011). Concerning the study of microfossils, with the exception of a brief report on foraminifers (Rodrigues, 1971) and a book chapter with preliminary data on ostracodes (Coimbra et al, 2009), microfossils groups have not been studied at Trindade.…”

Section: Introductionmentioning

confidence: 99%

“…Despite its importance, no micropalaeontological study has been carried out in the area with the exception of preliminary lists of foraminifers (Tinoco, 1965(Tinoco, , 1972Rossi et al, 1996), foraminifers and bryozoans (Machado & Souza, 1994) and ostracodes (Coimbra et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

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Richness and palaeo-zoogeographical significance of the benthic Ostracoda (Crustacea) from the oceanic Island of Trindade and Rocas Atoll, Brazil

Coimbra¹,

Carreño²

2012

Rev. bras. paleontol.

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-Twenty-one ostracode species from Trindade Island and 23 species from Rocas Atoll are herein recorded. The collective fauna shows low richness and low abundance compared with other oceanic islands. Nevertheless, the presence of tropical pandemic species such as Kotarocythere inconspicua (Brady) and Triebelina sertata Triebel, of the almost exclusively Pacific genus Australimoosella, the Atlanto-Caribbean taxa such as Glyptobairdia coronata (Brady) and Caudites obliquecostatus Bold, together with species typical of the Brazilian shelf, reveals a mixed fauna likely influenced by dispersal of shallow-water taxa between seamounts during Quaternary sea-level lowstands. In contrast to other oceanic islands, endemic ostracode taxa are apparently absent in these two islands. Tenedocythere trindadensis sp. nov., a species also recorded on the Brazilian equatorial shelf, is described and illustrated.Key words: oceanic island, ostracodes, Rocas Atoll, Trindade Island, zoogeography, paleozoogeography.RESUMO -Foram registradas 21 espécies de ostracodes para a Ilha da Trindade e 23 para o Atol das Rocas. Ambas ostracofaunas mostram baixa riqueza e abundância de espécies quando comparadas com outras ilhas oceânicas. Contudo, a presença de espécies tropicais pandêmicas, como Kotarocythere inconspicua (Brady) e Triebelina sertata Triebel, do gênero Australimoosella que é quase exclusivo do Pacífico, e de táxons atlântico-caribenhos como Glyptobairdia coronata (Brady) e Caudites obliquecostatus Bold, juntamente com espécies típicas da plataforma brasileira, revela uma fauna mista provavelmente influenciada pela dispersão de táxons de águas rasas entre montes submarinos durante períodos de mar baixo ao longo do Quaternário. Contrastando com outras ilhas oceânicas, estas duas ilhas parecem não apresentar espécies endêmicas de ostracodes. Tenedocythere trindadensis sp. nov., uma espécie também registrada na plataforma equatorial do Brasil, é aqui descrita e ilustrada.Palavras-chave: ilhas oceânicas, ostracodes, Atol das Rocas, Ilha da Trindade, zoogeografia, paleozoogeografia.

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Section: Discussion and Concluding Remarksmentioning

confidence: 99%

“…This species was previously identified by Coimbra et al (1999b) as Hermanites transoceanicus and by Coimbra et al (2009) as Tenedocythere? sp.…”

Section: Remarks Although There Is Debate On the Affinities Ofmentioning

confidence: 95%

Section: Taxonomymentioning

confidence: 99%