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Bispiranella et Orthotrinacria (Foraminifères, Trias), nouvelle description et regroupement dans la famille des Orthotrinacriidae (Milioliporacea)

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Published in Bollettino dellà Società paleontologica italiana. 1993, vol. 32, no. 3, p. 385-392
Abstract [Bispiranella and Orthotrinacria (Foraminifera, Triassic), new description and attribution to the Othotrinacriidae (Milioliporacea)] - Recent studies of Upper Triassic reefal facies in the Western Tethys have led to the revision of the Triassic foraminifer genera Bispiranella Samuel et al., 1981, and Orthotrinacria Zaninetti et al., 1985, and to their attribution to the Orthotrinacriidae Zaninetti et al., 1985 (Milioliporacea), whose diagnosis is modified. The affinities of the Orthotrinacriidae with other Milioliporacea, essentially with the family Siphonoferidae Senowbari-Daryan & Zaninetti, 1986, are emphasized, and the phylogenetic relationship of the Orthotrinacriidae with other Upper Triassic reefal porcelaneous foraminifera is also discussed.
Keywords OrthotrinacriaBispiranellaOrthotrinacriidaeMilioliporaceaForaminiferaTaxonomyTriassic
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Research group Sedimentology, Biostratigraphy and Micropaleontology
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ZANINETTI, Louisette, MARTINI, Rossana. Bispiranella et Orthotrinacria (Foraminifères, Trias), nouvelle description et regroupement dans la famille des Orthotrinacriidae (Milioliporacea). In: Bollettino dellà Società paleontologica italiana, 1993, vol. 32, n° 3, p. 385-392. https://archive-ouverte.unige.ch/unige:5144

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