Fruits, seeds, and flowers from the Warman clay pit (middle Eocene Claiborne Group), western Tenness

Wang, Hongshan; Blanchard, J. E.; Dilcher, David L.

doi:10.26879/320

Cited by 15 publications

(39 citation statements)

References 60 publications

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“…Fossils from the eastern shoreline of the Western Interior Seaway preserve an extensive record of Early Cretaceous plants, one that has been studied for more than a century (Lesquereux, 1891). The angiosperms have been particularly well studied from the eastern shore of the seaway (Lesquereux, 1891;Dilcher and Crane, 1984;Wolfe and Upchurch, 1987;Upchurch and Dilcher, 1990;Wang and Dilcher, 2006a,b;Hu et al, 2008;Dilcher and Wang, 2009;Wang and Dilcher, 2009;Wang et al, 2011;Wang et al, 2013). Initial analysis of the level of angiosperm species richness suggested that there were 437 distinct species (Lesquereux, 1891), which is an extremely high number and skews diversity curves for this time period (Lidgard and Crane, 1990).…”

Section: Introductionmentioning

confidence: 99%

High precision U–Pb zircon geochronology for Cenomanian Dakota Formation floras in Utah

Barclay

Rioux

Meyer

et al. 2015

Cretaceous Research

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Section: Introductionmentioning

confidence: 99%

High precision U–Pb zircon geochronology for Cenomanian Dakota Formation floras in Utah

Barclay

Rioux

Meyer

et al. 2015

Cretaceous Research

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“…Some Eocene, Miocene fossil seeds may be compared with our fossil seed data (Friis, 1985;Burge and Manchester, 2008;Herrera et. al., 2011;Wang et. al., 2013;Collinson et al, 2012;Pan et al, 2012;Lin et al, 2013;Huang et al, 2015;.…”

Section: Discussionmentioning

confidence: 99%

Early Miocene Seed Like Plant Remain Fossils and Facies Associations From the Nallihan District (Nw Turkey)

Görmüş

Kadıoğlu

Varol

et al. 2019

Bulletin of the Mineral Research and Exploration

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Seed like fossils recognized by their distinctive orbicular in shape are seen in the early Miocene of the Nallıhan area (NW Türkiye). We examined more than one hundred specimens and facies associations for interpreting of fossil morphology and its paleoenvironment. The fossils as dark crystallized dots on the bedding surface of clayey limestones are characterized by a thick edged lenticular shape with a smooth one side and concave another side with circular nucleus. Their internal structures have circular a few whorlings, too often radial calcitic lamellae on the upper side and a few circular coiling at the bottom side. SEM, EPMA and RAMAN data of soft nucleus, hard part, filling materials and surrounding sediments support its plant origin. The Paleogene aged Kızılbayır formation and early Miocene aged Karadoruk and Akpınar formations include the following facieses: non-channelized red sandstone and mudstone (F1), channelized "confined" reddish-beige pebbly sandstone and conglomerate (F2), medium to coarse siliciclastics (F3), mudstones interbedded with sandstones (F4), thin bedded clayey limestone bearing plant fossils (F5) medium to thick bedded limestone (F6) and rhythmic siliciclastics-clayey limestone including coal occurrences (F7). Abundant plant fossils indicate a planted shallow lake margin with low topography during the early Miocene.

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“…robertsi (Berry ; Wang et al . ) and subglobose seeds of A . rotundatum (Reid & Chandler ) are readily distinguished from the ovate–elliptic seeds of A .…”

Section: Comparisonsmentioning

confidence: 98%

“…warmanensis (Reid & Chandler ; Chandler ; Wang et al . ) have spiniform ruminations; A . anoniforme , A .…”

Section: Comparisonsmentioning

confidence: 99%

The early history of Annonaceae (Magnoliales) in Southeast Asia suggests floristic exchange between India and Pan‐Indochina by the late Oligocene

Shi

Liu

et al. 2019

Papers in Palaeontology

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The collision between India and Eurasia in the mid-Palaeogene facilitated terrestrial floristic exchange. However, due to the complexity of this geological event and scarcity of fossil record, the plant migration patterns between the two plates are still highly debated. In this study, we focus on the Oligocene floristic exchange between India and Pan-Indochina mainly based on a carpological study of Annonaceae, an emblematic family unique in its pantropical distribution and frugivore-based dispersal strategy. A new seed species, Anonaspermum orientalis sp. nov., is described from the upper Oligocene Yongning Formation of Guangxi, southern China. The species represents the earliest known occurrence of this family in Pan-Indochina. The specimens are characterized by ovate-elliptic seed shape, thicker seed testa, two-lobed organization, lamelliform rumination and an obvious cone-like plug. The palaeobiogeographical reconstruction of Annonaceae indicates that the most parsimonious dispersal scenario for the annonaceous taxon from the late Oligocene of China is the Out-of-India route, in parallel with other plant genera inferred to have migrated between India and Pan-Indochina during that period.

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Fruits, seeds, and flowers from the Warman clay pit (middle Eocene Claiborne Group), western Tenness

Cited by 15 publications

References 60 publications

High precision U–Pb zircon geochronology for Cenomanian Dakota Formation floras in Utah

High precision U–Pb zircon geochronology for Cenomanian Dakota Formation floras in Utah

Early Miocene Seed Like Plant Remain Fossils and Facies Associations From the Nallihan District (Nw Turkey)

The early history of Annonaceae (Magnoliales) in Southeast Asia suggests floristic exchange between India and Pan‐Indochina by the late Oligocene

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