The platycopine condition: new observations on reproduction, respiration and feeding in living, deep-sea Platycopina (Crustacea, Ostracoda)

Swanson, Kerry; Jellinek, Thomas; Malz, Heinz

doi:10.1007/bf03043684

Cited by 17 publications

(17 citation statements)

References 15 publications

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“…The small specific diversity and the abundance of cytherellids are interpreted by some authors as an indicator of OMZ and thermocline conditions, although other factors may also influence their distribution (Swanson et al, 2005). In modern oceans this zone is considered an important barrier between neritic and bathyal faunas, precluding vertical migration of species upslope.…”

Section: San 26 Corementioning

confidence: 99%

Bathyal ostracode diversity in the Santos Basin, Brazilian southeast margin: Response to late Quaternary climate changes

Bergue

Costa²,

Dwyer³

et al. 2006

RBP

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-Faunal and geochemical aspects of Quaternary deep sea ostracodes from three cores in the Santos Basin, Brazilian Southeast continental margin, are studied. The assemblages have similarities to others, not only from the Atlantic but also those found in the Pacific ocean. Geochemical analyses of trace elements in ostracodes and stable isotopes in foraminifers were employed to assess environmental changes and oceanographic events over a period of approximately 30 Ka. Both faunistic and geochemical data were considered together to determine the relationship between faunal turnovers and Late Quaternary events, such as the LGM and the Pleistocene/ Holocene limit.

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Section: San 26 Corementioning

confidence: 99%

Bathyal ostracode diversity in the Santos Basin, Brazilian southeast margin: Response to late Quaternary climate changes

Bergue

Costa²,

Dwyer³

et al. 2006

RBP

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“…Remarks. The Miocene Brazilian new species is similar to the type species of the genus, Inversacytherella tanantia, described based on living specimens recovered from the west coast of South Island, New Zealand, by Swanson et al (2005). Differs in the outline, being females of Inversacytherella atlantica sp.…”

Section: Methodsmentioning

confidence: 82%

“…nov. in the Miocene of Pelotas Basin and, possibly, of a species of Grammcythella reinforces the dispersion pattern through Southern Ocean between America and Oceania. In addition to Inversacytherella tanantia, Swanson et al (2005) comment that other cytherellids with valve reversal have been wrongly placed in Cytherella, such as C. gullrockensis McKenzie et al, 1991 (late Eocene, South Australia), C. chapmani and C. bissoni, both described by Milhau (1993) (early Miocene, New Zeland) and fi nally C. atypica Bate, 1972 (Late Cretaceous, Western Australia). These data suggest the origin of Inversacytherella in the Cretaceous and that by the Miocene its dispersion through the Southern Ocean was already established.…”

Section: Discussionmentioning

confidence: 99%

The Lower Miocene cytherellids (Crustacea, Ostracoda) from the Pelotas Basin and their significance for the South Atlantic Paleozoogeography

Manica¹,

Bergue²,

Coimbra³

2015

Rev. bras. paleontol.

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-A taxonomic study of the family Cytherellidae Sars was carried out in Lower Miocene deposits of the well 2-RSS-1 (Pelotas Basin, southeastern Brazilian margin). Five species were recognised, two of them describe herein: Inversacytherella atlantica sp. nov. and Cytherella pelotensis sp. nov. Cytherella pleistocenica Bergue et al. is reassigned into Inversacytherella Swanson et al. This is the fi rst report of the genus Inversacytherella in the Atlantic. Three species are left in open nomenclature due to the scarcity of specimens. One of them is tentatively identifi ed as Grammcythella Swanson et al., a genus that has been recorded so far only in the Oceania. The occurrences of Inversacytherella and Grammcythella constitute additional evidence for faunal interchanges between America and Oceania, triggered by hydrological changes in the Southern Ocean during the Neogene.

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“…For this reason, with few exceptions, its study in New Zealand has either been avoided or restricted to living material. Significantly, recent descriptions of modern material (Jellinek & Swanson 2003;Swanson et al 2005) have dramatically improved our knowledge of the group, and have allowed greater confidence in assessing paleontological material. Fortunately, in the case of Cytherella magna, its ornament and shape are sufficiently different from other Cytherella species that identification should not be problematic.…”

Section: Selection Of Cytherella Magna As Zonal Markermentioning

confidence: 97%

Ostracod biostratigraphy of the Oligocene‐Miocene (upper Waitakian to lower Otaian) in southern New Zealand

Ayress¹

2006

New Zealand Journal of Geology and Geophysics

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Biostratigraphic analyses of ostracod shells from the late Oligocene to early Miocene local Waitakian Stage stratotype at Trig Z, North Otago, and early Miocene local Otaian stratotype at Bluecliffs, South Canterbury, has extended ostracod zonation previously limited to the late Oligocene up into the early Miocene. Two zonation boundaries are recognised, defined by the first appearance of Cytherella magna n. sp. immediately above the main shellbed at Trig Z within the mid-Waitakian, and the first appearance of Trachyleberis? retizea, an event within the lower Otaian occurring 35.2 m above the FAD Ehrenbergina marwicki foraminiferal marker event for the base of the Otaian Stage. These and other ostracod events observed have the potential to enhance stratigraphic resolution close to the Waitakian/ Otaian boundary, where correlation based on other fossil groups is problematical. Changes in ostracod abundance and composition throughout the Trig Z section reflect changes in paleodepth in an overall shelfal depositional setting. A deeper upper slope environment of deposition is indicated by numerous deep-water ostracod species obtained from the Bluecliffs section. These interpretations accord well with data available from other fossil groups.

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The platycopine condition: new observations on reproduction, respiration and feeding in living, deep-sea Platycopina (Crustacea, Ostracoda)

Cited by 17 publications

References 15 publications

Bathyal ostracode diversity in the Santos Basin, Brazilian southeast margin: Response to late Quaternary climate changes

Bathyal ostracode diversity in the Santos Basin, Brazilian southeast margin: Response to late Quaternary climate changes

The Lower Miocene cytherellids (Crustacea, Ostracoda) from the Pelotas Basin and their significance for the South Atlantic Paleozoogeography

Ostracod biostratigraphy of the Oligocene‐Miocene (upper Waitakian to lower Otaian) in southern New Zealand

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