Deciphering Early Angiosperm Landscape Ecology Using a Clustering Method on Cretaceous Plant Assemblages

Coiffard, Clément; Gómez, Bernard; Daviero‐Gomez, Véronique

doi:10.5772/32125

Cited by 2 publications

(2 citation statements)

References 53 publications

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“…Heimhofer et al 2012, Bonin et al 2016. This climate change could be one of the reasons for increased angiosperm abundance, and their eventual dominance (Coiffard et al 2012).…”

Section: Discussionmentioning

confidence: 99%

Some Conifers from The Early Cretaceous (Late Aptian – Early Albian) of Catefica, Lusitanian Basin, Western Portugal

Mendes¹,

Dinis²,

Kvaček³

2018

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Abstract Several mesofossil floras discovered in the Early Cretaceous rocks from the Lusitanian Basin of western Portugal comprise numerous well-preserved conifer remains. Here we report the occurrence of four conifer types in the mesofossil flora from the Catefi ca locality, about 4 km south of Torres Vedras in the Estremadura region on the western Portuguese Basin. The specimens were recovered from rocks belonging to the Almargem Formation, interpreted to be of late Aptian - early Albian age. It includes three Cheirolepidiaceae genera Frenelopsis SCHENK, Pseudofrenelopsis NATH. and Watsoniocladus V.SRINIV., and one conifer twig of Pagiophyllum-type. These conifers, which co-occurred in the same depositional bed with a well-diversified early angiosperm assemblage including flowers, seeds, fruits and dispersed stamens with pollen in situ, provide new insights into Early Cretaceous palaeoecology.

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“…Heimhofer et al 2012, Bonin et al 2016. This climate change could be one of the reasons for increased angiosperm abundance, and their eventual dominance (Coiffard et al 2012).…”

Section: Discussionmentioning

confidence: 99%

Some Conifers from The Early Cretaceous (Late Aptian – Early Albian) of Catefica, Lusitanian Basin, Western Portugal

Mendes¹,

Dinis²,

Kvaček³

2018

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“…During recent decades, many research lines in the fields of palaeontology, palaeoecology and evolutionary biology have attempted to solve the mysteries of early angiosperm history (e.g. Friis, Pedersen & Crane, ; Coiffard et al ., ; Coiffard, Gomez & Thévenard, ; Friis, Crane & Pedersen, ; Coiffard, Gomez & Daviero‐Gomez, ). Most recent molecular phylogenetic analyses suggested that angiosperms date back to the early Mid Jurassic (Sanderson, ; Wikström, Savolainen & Chase, ; Magallón & Sanderson, ; Moore et al ., ; Smith, Beaulieu & Donoghue, ).…”

Section: Introductionmentioning

confidence: 99%

Leaf architecture and ecophysiology of an early basal eudicot from the Early Cretaceous of Spain

et al. 2013

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Iterophyllum lobatum gen. et sp. nov. is reported from the late Barremian lithographic limestones of Las Hoyas, Spain. It consists of a simple, petiolate leaf, with a pinnately lobed lamina. The dentate thickened margin bears chloranthoid-like glands at lobe apices and sinuses. The venation is pinnate and craspedodromous, with three discernible vein orders. Based on the low regularity of vein course and angles and the low leaf rank, such a venation pattern may represent an early evolved leaf archetype in early basal eudicots. An acropetal leaf development mode in I. lobatum is similar to that in several living Papaveraceae. The leaf architecture and ecophysiology, particularly the vein widths and the glands, indicate that I. lobatum leaves were aerial. The plant grew close to water in the wetland terrestrial ecosystem of Las Hoyas. Iterophyllum lobatum might have been an opportunist species in early ecological succession stages after wildfires.

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Deciphering Early Angiosperm Landscape Ecology Using a Clustering Method on Cretaceous Plant Assemblages

Cited by 2 publications

References 53 publications

Some Conifers from The Early Cretaceous (Late Aptian – Early Albian) of Catefica, Lusitanian Basin, Western Portugal

Some Conifers from The Early Cretaceous (Late Aptian – Early Albian) of Catefica, Lusitanian Basin, Western Portugal

Leaf architecture and ecophysiology of an early basal eudicot from the Early Cretaceous of Spain

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