Academic literature on the topic 'Platycopina'

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Journal articles on the topic "Platycopina"

1

Whatley, Robin. "The platycopid signal: a means of detecting kenoxic events using Ostracoda." Journal of Micropalaeontology 10, no. 2 (1991): 181–85. http://dx.doi.org/10.1144/jm.10.2.181.

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Abstract. It has been shown that during Jurassic and Cretaceous kenoxic events, while other groups of benthonic Ostracoda severely decline and eventually disappear, the Platycopina tend to survive. The survival of the platycopids is attributed to their being filter feeders who, in dysaerobic conditions manage to obtain sufficient oxygen by virtue of the greater volume of water which they circulate across their respiratory surface in the course of their normal feeding behaviour. The podocopid ostracods, which are predators, scavengers and deposit feeders, are unable to survive the diminished ox
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Lundin, Robert F., Mark Williams, and David J. Siveter. "Domatial dimorphism occurs in leperditellid and monotiopleurid ostracodes." Journal of Paleontology 69, no. 5 (1995): 886–96. http://dx.doi.org/10.1017/s0022336000035551.

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The discovery of domatial dimorphism in the leperditellid ostracode Loculocavata n. gen. and the monotiopleurid Primitiella minima (Harris), and the possibility that Leperditella Ulrich exhibits domatial dimorphism, requires a revision of the concept and/or diagnosis of the Platycopina. Domatial dimorphism is manifested by a special domiciliar space for egg/brood care in females. Domatia are represented by a loculate domiciliar wall or by a more generalized space bounded anteriorly by an interior partition caused by thickening or folding (sulcation) of the shell wall. Domatial dimorphism occur
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Titterton, Rosemary, and Robin C. Whatley. "Recent marine Ostracoda from the Solomon Islands: part 1 – Cypridoidea, Platycopina and Cladocopina." Journal of Micropalaeontology 25, no. 1 (2006): 73–94. http://dx.doi.org/10.1144/jm.25.1.73.

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Abstract. Sixteen species of marine Cypridoidea belonging to seven genera and a rather small fauna of nine platycopid and two cladocopid species from the Solomon Islands are described. Nine species are described and illustrated as new. They are: Paracypris contracta, Triangulocypris teeteri, T. umbonata, Aglaiocypris supercylindrica, Argilloecia teres, Propontocypris paracrocata, P. supertrigonella, Cytherelloidea asymmetrica and C. dictyotos ssp. nov. Five species have been described previously and 11 species are retained in open nomenclature. While the Cypridoidea comprise only 15% of the to
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4

Swanson, Kerry M., Thomas Jellinek, and Heinz Malz. "The platycopine condition: new observations on reproduction, respiration and feeding in living, deep-sea Platycopina (Crustacea, Ostracoda)." Senckenbergiana maritima 35, no. 2 (2005): 157–87. http://dx.doi.org/10.1007/bf03043684.

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5

Adamczak, Franciszek J. "The Platycopine Dynasty 2. Family Cavellinidae Egorov, 1950 Authentic platycopines." Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 229, no. 3 (2003): 375–91. http://dx.doi.org/10.1127/njgpa/229/2003/375.

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Okada, Reiko, Akira Tsukagoshi, Robin J. Smith, and David J. Horne. "The ontogeny of the platycopid Keijcyoidea infralittoralis (Ostracoda: Podocopa)." Zoological Journal of the Linnean Society 153, no. 2 (2008): 213–37. https://doi.org/10.1111/j.1096-3642.2008.00383.x.

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Okada, Reiko, Tsukagoshi, Akira, Smith, Robin J., Horne, David J. (2008): The ontogeny of the platycopid Keijcyoidea infralittoralis (Ostracoda: Podocopa). Zoological Journal of the Linnean Society 153 (2): 213-237, DOI: 10.1111/j.1096-3642.2008.00383.x, URL: https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2008.00383.x
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BENNETT, C. E., D. J. SIVETER, S. J. DAVIES, et al. "Ostracods from freshwater and brackish environments of the Carboniferous of the Midland Valley of Scotland: the early colonization of terrestrial water bodies." Geological Magazine 149, no. 3 (2011): 366–96. http://dx.doi.org/10.1017/s0016756811000719.

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AbstractThe Mississippian Strathclyde Group of the Midland Valley of Scotland yields some of the earliest non-marine ostracods. The succession records shallow marine, deltaic, estuarine, lagoonal, lacustrine, fluvial and swamp environments representing a series of staging-posts between fully marine and limnetic settings. Macrofossils and ostracods are assigned to marine, marginal marine, brackish and freshwater environments based on their faunal assemblage patterns. Key brackish to freshwater ostracods are Geisina arcuata, Paraparchites circularis n. sp., Shemonaella ornata n. sp. and Silenite
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8

BRANDÃO, SIMONE N. "First Record of a living Platycopida (Crustacea, Ostracoda) from Antarcticwaters and a Discussion on Cytherella serratula (Brady, 1880)." Zootaxa 1866, no. 1 (2008): 349. http://dx.doi.org/10.11646/zootaxa.1866.1.18.

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Previous records of Platycopida (Ostracoda) from the Antarctic region of the Southern Ocean include only a few fossil species from the Late Cretaceous to the Palaeocene: Cytherelloidea megaspirocostata Majoran & Widmark, 1998, [sic] Cytherella serratula (Brady, 1880), plus seven species left in open nomenclature. The present study documents the first record of a living platycopid from the Antarctic region and describes Cytherella rwhatleyi sp. nov. as new. Comparison among specimens collected at stations 60° longitude and 10° of latitude apart from each other show that very little intraspe
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Jones, Peter J. "<i>Ankumia</i> van Veen, 1932: a valid name, but a flawed generic concept (Ostracoda, Platycopina, Cytherelloidea)." Journal of Micropalaeontology 25, no. 2 (2006): 189–90. http://dx.doi.org/10.1144/jm.25.2.189.

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Abstract. Recent study of the syntype material of the type species of the monotypic genus Ankumia van Veen, 1932 (A. bosqueti van Veen, 1932) confirmed a pathological retention of moults, expressed by multilayered ridge-like structures, used for the original diagnosis of the genus (Jones, 2003). For this reason, it was proposed that the genus Ankumia should be abandoned as a nomen dubium in favour of Platella Coryell &amp;amp; Fields, 1937. This interpretation was challenged by Malz &amp;amp; Lord (2004), who saw no reason to treat Ankumia as nomen dubium and, acknowledging the unequivocal cyt
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10

Horne, David J. "Key Events in the Ecological Radiation of the Ostracoda." Paleontological Society Papers 9 (November 2003): 181–202. http://dx.doi.org/10.1017/s1089332600002205.

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Ostracodes are ecologically diverse at the present day, inhabiting marine, nonmarine and (semi)terrestrial environments. Modern benthic faunas are dominated by Podocopa (marine and nonmarine Podocopida, marine Platycopida, and extremely rare marine Palaeocopida), while the Myodocopa (Myodocopida and Halocyprida) are diverse in the marine pelagic realm, as well as having many nektobenthic taxa. Their excellent fossil record facilitates reconstructions of their phylogenetic relationships and ecological adaptations throughout their Phanerozoic history. The earliest known ostracodes are of Ordovic
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Dissertations / Theses on the topic "Platycopina"

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Houdková, Markéta. "Paleoekologie turonskych ostrakodů (Ostracoda) lokality Úpohlavy." Master's thesis, 2016. http://www.nusl.cz/ntk/nusl-344078.

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This thesis deals with the class Ostracoda from the Úpohlavy quarry, which is an important paleontological site of the Turonian in the Czech Cretaceous Basin with abundant and well- preserved fauna. Twenty samples from marls and limestones of Jizera and Teplice formation were colected in which 36 marine middle and upper Turonian ostracods species were identified. Ostracods of the studied profile are characterized by gradual increase of species richness and decline of dominance of Cytherella cf. ovata (Roemer, 1840). The lowest diversity is in the Jizera formation and the highest diversity in t
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