Revision of Icacinaceae from the Early Eocene London Clay flora based on X-ray micro-CT. / Stull, Gregory W.; Collinson, Margaret.

In: Botany, Vol. 94, No. 9, 09.2016, p. 713-745.

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Revision of Icacinaceae from the Early Eocene London Clay flora based on X-ray micro-CT. / Stull, Gregory W.; Collinson, Margaret.

In: Botany, Vol. 94, No. 9, 09.2016, p. 713-745.

Research output: Contribution to journalArticlepeer-review

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@article{353cb8376f5e4ab09a789a623f58b8ed,
title = "Revision of Icacinaceae from the Early Eocene London Clay flora based on X-ray micro-CT",
abstract = "The Early Eocene (Ypresian) London Clay Formation contains one of the most important fruit and seedassemblages from the Paleogene, including a large diversity of taxa (>350 spp.) preserved as pyrite permineralizationsretaining 3D structure as well as anatomical detail. Despite the importance of the flora for understanding angiospermbiogeographic and evolutionary history, the majority of the fossil material has not been revisited since the originaltaxonomic treatments by E.M. Reid and M.E.J. Chandler. Given subsequent advances in our understanding of angiospermphylogeny and fruit morphology, coupled with technological advances in imaging/visualizing fossil material,many of the taxa represented in the flora deserve further study. Here we present a revision of the pantropical familyIcacinaceae using X-ray micro-computed tomography (micro-CT) images of 21 species from the flora. Based on theresults, four new combinations are made, a new fossil-genus is established for a distinctive species with affinities to thePhytocreneae, and emended diagnoses are provided for eight taxa. Of the seven genera recognized from the flora, onlyone, Iodes Blume, is extant. This study offers important insights on the biogeographic and evolutionary history ofIcacinaceae, which is one of the most abundant and diverse components of the flora from the London Clay Formation.",
author = "Stull, {Gregory W.} and Margaret Collinson",
year = "2016",
month = sep,
doi = "10.1139/cjb-2016-0063",
language = "English",
volume = "94",
pages = "713--745",
journal = "Botany",
issn = "1916-2790",
publisher = "National Research Council of Canada",
number = "9",

}

RIS

TY - JOUR

T1 - Revision of Icacinaceae from the Early Eocene London Clay flora based on X-ray micro-CT

AU - Stull, Gregory W.

AU - Collinson, Margaret

PY - 2016/9

Y1 - 2016/9

N2 - The Early Eocene (Ypresian) London Clay Formation contains one of the most important fruit and seedassemblages from the Paleogene, including a large diversity of taxa (>350 spp.) preserved as pyrite permineralizationsretaining 3D structure as well as anatomical detail. Despite the importance of the flora for understanding angiospermbiogeographic and evolutionary history, the majority of the fossil material has not been revisited since the originaltaxonomic treatments by E.M. Reid and M.E.J. Chandler. Given subsequent advances in our understanding of angiospermphylogeny and fruit morphology, coupled with technological advances in imaging/visualizing fossil material,many of the taxa represented in the flora deserve further study. Here we present a revision of the pantropical familyIcacinaceae using X-ray micro-computed tomography (micro-CT) images of 21 species from the flora. Based on theresults, four new combinations are made, a new fossil-genus is established for a distinctive species with affinities to thePhytocreneae, and emended diagnoses are provided for eight taxa. Of the seven genera recognized from the flora, onlyone, Iodes Blume, is extant. This study offers important insights on the biogeographic and evolutionary history ofIcacinaceae, which is one of the most abundant and diverse components of the flora from the London Clay Formation.

AB - The Early Eocene (Ypresian) London Clay Formation contains one of the most important fruit and seedassemblages from the Paleogene, including a large diversity of taxa (>350 spp.) preserved as pyrite permineralizationsretaining 3D structure as well as anatomical detail. Despite the importance of the flora for understanding angiospermbiogeographic and evolutionary history, the majority of the fossil material has not been revisited since the originaltaxonomic treatments by E.M. Reid and M.E.J. Chandler. Given subsequent advances in our understanding of angiospermphylogeny and fruit morphology, coupled with technological advances in imaging/visualizing fossil material,many of the taxa represented in the flora deserve further study. Here we present a revision of the pantropical familyIcacinaceae using X-ray micro-computed tomography (micro-CT) images of 21 species from the flora. Based on theresults, four new combinations are made, a new fossil-genus is established for a distinctive species with affinities to thePhytocreneae, and emended diagnoses are provided for eight taxa. Of the seven genera recognized from the flora, onlyone, Iodes Blume, is extant. This study offers important insights on the biogeographic and evolutionary history ofIcacinaceae, which is one of the most abundant and diverse components of the flora from the London Clay Formation.

U2 - 10.1139/cjb-2016-0063

DO - 10.1139/cjb-2016-0063

M3 - Article

VL - 94

SP - 713

EP - 745

JO - Botany

JF - Botany

SN - 1916-2790

IS - 9

ER -