2018
DOI: 10.1002/spp2.1245
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An endemic flora of dispersed spores from the Middle Devonian of Iberia

Abstract: Diverse assemblages of dispersed spores have been recovered from Middle Devonian rocks in northern Spain, revealing a significant endemism in the flora. Middle Devonian Iberia was part of a relatively isolated island complex (Armorican Terrane Assemblage), separated by considerable tracts of ocean from Laurussia to the north‐west and Gondwana to the south‐east. The Middle Devonian deposits of the Cantabrian Zone of northern Spain are entirely marine and comprise a thick clastic unit sandwiched between extensiv… Show more

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Cited by 9 publications
(8 citation statements)
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References 58 publications
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“…This analysis raises various questions around how such an unusual, to some degree endemic flora could arise in this area. Geminospora lemurata is represented here in all three sampled sections and, importantly, throughout almost the entire sampled thickness of the Playa del Tranqueru section, which includes the whole thickness of the Naranco Formation (Askew & Wellman 2018). It is fairly rare, making up between 0.5 and 2% of the spore community when assessed quantitively, but its presence is definite.…”
Section: Terrestrial Vegetationmentioning
confidence: 79%
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“…This analysis raises various questions around how such an unusual, to some degree endemic flora could arise in this area. Geminospora lemurata is represented here in all three sampled sections and, importantly, throughout almost the entire sampled thickness of the Playa del Tranqueru section, which includes the whole thickness of the Naranco Formation (Askew & Wellman 2018). It is fairly rare, making up between 0.5 and 2% of the spore community when assessed quantitively, but its presence is definite.…”
Section: Terrestrial Vegetationmentioning
confidence: 79%
“…The approximate or known intervals in which the samples occur are shown in Figure 3. Further details, along with a thorough documentation of this palynomorph assemblage, can be found in three papers covering marine zooplankton (Askew & Russell 2019), marine phytoplankton (Askew 2019) and land-derived spores (Askew & Wellman 2018). These publications include the taxonomy of the assemblage, detailed descriptions of selected species, associated count data and biostratigraphical interpretations.…”
Section: Methodsmentioning
confidence: 99%
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