2010
DOI: 10.1016/j.revpalbo.2010.04.001
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An Early Cretaceous zamiaceous cycad of South West Gondwana: Restrepophyllum nov. gen. from Patagonia, Argentina

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Cited by 39 publications
(27 citation statements)
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“…6) as well as fossil cycads (i.e. Restrepophyllum , [38]). In extant cycads, the thickened aspect of the tooth is given by a concentration of marginal fibres.…”
Section: Discussionmentioning
confidence: 99%
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“…6) as well as fossil cycads (i.e. Restrepophyllum , [38]). In extant cycads, the thickened aspect of the tooth is given by a concentration of marginal fibres.…”
Section: Discussionmentioning
confidence: 99%
“…Such phylogenetic evidence, which is lacking for many fossil cycads that have been linked with extant groups, such as Restrepophyllum [38] and Austrozamia [25], as well as for the many fossil leaves assigned to extant genera [2124, 2628], make Eobowenia a reliably placed cycad fossil foliage.…”
Section: Discussionmentioning
confidence: 99%
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“…Passalia et al 2010, Sun et al 2008, Kunzmann 2007, although in each case the extant taxonomic diversity is less than in the past. Gnetidae were often considered as the sister group of angiosperms (Chase et al 1993), and Gnetum L. indeed resembles an angiosperm in general habit.…”
Section: Introductionmentioning
confidence: 98%
“…Where cuticle is preserved, Bennettitales are readily distinguishable from Cycadales by their syndetocheilic as opposed to haplocheilic stomata (Florin 1933). In the absence of cuticular details, bennettitalean and cycadalean foliage can be difficult to discriminate, although the Cycadales typically have larger (30-600 cm) leaves with more diverse venation styles, commonly contracted and thickened leaflet bases, and, in some cases, lobed or spinose margins (Jones 1993;Passalia et al 2010).…”
Section: Introductionmentioning
confidence: 99%