2014
DOI: 10.1016/j.cretres.2013.12.007
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Taxonomic studies of non-marine ostracods in the Lower Cretaceous (Aptian–lower Albian) of post-rift sequence from Jatobá and Araripe basins (Northeast Brazil): Stratigraphic implications

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Cited by 52 publications
(49 citation statements)
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“…The lower studied interval corresponds to the mid-ramp shoal facies association, which groups the glauconite-bearing calcareous quartz arenite and the siltstone to claystone overlaid strata. From this interval, rare freshwater and transitional ostracode occurrences, represented by the genera Damonella, Alicenula and Ilyocypris 46,[91][92][93][94][95][96] , were recorded in samples below the first occurrences of foraminifera, suggesting the allochthonous origin of these ostracofauna. In addition, the marine phase in the basin is reinforced by the presence of glauconite as foliated and peloidal grains, which represent the seafloor synsedimentary glauconitization of detrital biotites and a diagenetic product, respectively, which formed especially during intervals of mildly reducing conditions 97,98 .…”
Section: Discussionmentioning
confidence: 99%
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“…The lower studied interval corresponds to the mid-ramp shoal facies association, which groups the glauconite-bearing calcareous quartz arenite and the siltstone to claystone overlaid strata. From this interval, rare freshwater and transitional ostracode occurrences, represented by the genera Damonella, Alicenula and Ilyocypris 46,[91][92][93][94][95][96] , were recorded in samples below the first occurrences of foraminifera, suggesting the allochthonous origin of these ostracofauna. In addition, the marine phase in the basin is reinforced by the presence of glauconite as foliated and peloidal grains, which represent the seafloor synsedimentary glauconitization of detrital biotites and a diagenetic product, respectively, which formed especially during intervals of mildly reducing conditions 97,98 .…”
Section: Discussionmentioning
confidence: 99%
“…Goldberg et al 44 especially recovered palynoforaminifera in the infra-Ipubi strata of the Araripe Basin, indicating that marine ingression occurred before evaporitic deposition. The ostracodes from the Araripe Basin have received the attention of several authors due to their abundance, diversity and excellent preservation 6,45,46 , including an unusual record of ostracodes with phosphatized appendages and eggs in deposits from the Romualdo Formation 3, [47][48][49] . The absence of reliable index fossils has led to constant debates about the age of the Romualdo Formation, being positioned on the Alagoas local stage (Ostracoda Zone RT-011) in the Aptian-Albian 17,22 .…”
mentioning
confidence: 99%
“…Répartition paléogéographique du genre : cosmopolite et global (HOU et al, 2002), connu dans le Crétacé inférieur-Cénozoïque des USA (SWAIN, 1999), dans le Crétacé inférieur (Aptien) du Brésil (DO CARMO et al, 2013 ;TOMÉ et al, 2014), dans le Crétacé inférieur (Wealdien) et supérieur du Congo (GRÉKOFF, 1957(GRÉKOFF, , 1960 MUSACCHIO, 1973MUSACCHIO, , 1981MUSACCHIO, , 1990MUSACCHIO et SIMEONI, 1989 ;WHATLEY et BAJPAI, 2006) Matériel : 1 carapace. Dimensions en mm : L = 0,60 ; h = 0,45.…”
Section: Sous-familleunclassified
“…ultima KROMMELBEIN et WEBER, 1971, in TOMÉ et al, 2014, dans l'Albien de Tunisie (TRABELSI et COLIN, 2013), dans le Crétacé inférieur du Cameroun (TOMÉ et al, 2014) Description sommaire : espèce ovoïde en vue latérale externe ; extrémité antérieure régulièrement arrondie, tournée vers le bas, située au-dessous de la mi-hauteur ; extrémité postérieure très régulièrement arrondie, tournée vers l'arrière, plus haute et développée que l'antérieure, située au niveau de la mi-hauteur ; hauteur maximale au niveau de la mi-longueur ; bord dorsal régulièrement arrondi, légèrement dissymétrique et plus élevé à l'arrière ; bord ventral rectiligne, légèrement concave en avant de la hauteur maximale ; angles latéraux absents ; flancs lisses ; valve gauche plus grande que la droite, la recouvrant sur la périphérie. La mauvaise conservation des individus ne permet pas de mettre en évidence un éventuel dimorphisme sexuel ; les mâles correspondraient aux individus les plus longs et proportionnellement les moins hauts.…”
Section: Sous-familleunclassified
“…Although Cretaceous non-marine ostracods are fairly well studied in Brazil (e.g. Ramos et al, 2006;Do Carmo et al, 2008Antonietto et al, 2012;Queiroz Neto et al, 2014;Thomé et al, 2014;Guzmán-González et al, 2016), this is not the case for Cenozoic assemblages, whose data now available are mostly restricted to the Neogene of the Northern region (e.g. Purper, 1979;Purper & Pinto, 1983;Purper & Ornellas, 1991;Muñoz-Torres et al, 1998;Whatley et al, 1998;Ramos, 2006;Linhares et al, 2011;Gross et al, 2013).…”
Section: Introductionmentioning
confidence: 99%