Petrography and stable isotope geochemistry of Oligocene-Miocene continental carbonates in south Texas: Implications for paleoclimate and paleoenvironment near sea-level

Godfrey, Conan; Fan, Majie; Jesmok, Greg; Upadhyay, Deepshikha; Tripati, Aradhna

doi:10.1016/j.sedgeo.2018.02.006

Cited by 11 publications

(2 citation statements)

References 59 publications

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“…As already mentioned, Middle-Late Miocene east-west divergence in Trachemys (Thomson et al 2021) corresponded with increased aridification in western North America (Chapin 2008, Eronen et al 2012 when grassland came to dominate the northwestern Gulf Coast (Godfrey et al 2018). On the other hand, ancestral Kinosternon appear to have been associated with grasslands (Bourque 2016) and K. flavescens remains widespread on the Great Plains and Tallgrass Prairie (Iverson 1979;Houseal et al 1982), suggesting east-west divergence in this genus was not due to emergence of grasslands.…”

Section: Grassland Expansion Hypothesis It Is Also Possiblementioning

confidence: 71%

Comparative biogeography of North American turtle faunas: Neogene regionalization

Hoagstrom¹,

Ung²,

Sweat³

et al. 2022

Frontiers of Biogeography

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Section: Grassland Expansion Hypothesis It Is Also Possiblementioning

confidence: 71%

Comparative biogeography of North American turtle faunas: Neogene regionalization

Hoagstrom¹,

Ung²,

Sweat³

et al. 2022

Frontiers of Biogeography

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“…Importantly, for mesic forest plants such as Viburnum, these two regions 140 are entirely separated from one another by an extensive zone of low-lying arid lands in 141 southeastern Texas and northeastern Mexico, with vegetation generally classified as xeric 142 shrubland or mesquite-chaparral savanna. These areas are uninhabitable by viburnums 143 today, and probably have not been accessible to these plants since widespread drying and 144 the spread of C4 grasses commenced by at least the late Miocene (e.g., Godfrey et al 2018). 145…”

Section: Introduction 38mentioning

confidence: 99%

Modeling phylogenetic biome shifts on a planet with a past

Landis

Edwards

Donoghue

2019

Preprint

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The spatial distribution of biomes has changed considerably over deep time, so the geographical opportunity for an evolutionary lineage to shift into a new biome may depend on how the availability and connectivity of biomes has varied temporally. To better understand how lineages shift between biomes in space and time, we developed a phylogenetic biome shift model in which each lineage shifts between biomes and disperses between regions at rates that depend on the lineage’s biome affinity and location relative to the spatiotemporal distribution of biomes at any given time. To study the behavior of the biome shift model in an empirical setting, we developed a literature-based representation of paleobiome structure for three mesic forest biomes, six regions, and eight time strata, ranging from the Late Cretaceous (100 Ma) through the present. We then fitted the model to a time-calibrated phylogeny of 119 Viburnum species to compare how the results responded to various realistic or unrealistic assumptions about paleobiome structure.Ancestral biome estimates that account for paleobiome dynamics reconstructed a warm temperate (or tropical) origin of Viburnum, which is consistent with previous fossil-based estimates of ancestral biomes. Imposing unrealistic paleobiome distributions led to ancestral biome estimates that eliminated support for tropical origins, and instead inflated support for cold temperate ancestry throughout the warmer Paleocene and Eocene. The biome shift model we describe is applicable to the study of evolutionary systems beyond Viburnum, and the core mechanisms of our model are extensible to the design of richer phylogenetic models of historical biogeography and/or lineage diversification. We conclude that biome shift models that account for dynamic geographical opportunities are important for inferring ancestral biomes that are compatible with our understanding of Earth history.

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Fluvial facies and petrography of Late Pleistocene Baneta sediments, Central Narmada Basin, Madhya Pradesh, India

2020

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Petrography and stable isotope geochemistry of Oligocene-Miocene continental carbonates in south Texas: Implications for paleoclimate and paleoenvironment near sea-level

Cited by 11 publications

References 59 publications

Comparative biogeography of North American turtle faunas: Neogene regionalization

Comparative biogeography of North American turtle faunas: Neogene regionalization

Modeling phylogenetic biome shifts on a planet with a past

Fluvial facies and petrography of Late Pleistocene Baneta sediments, Central Narmada Basin, Madhya Pradesh, India

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