2021
DOI: 10.1038/s41598-021-88905-1
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Abstract: Four turtle taxa are previously documented from the Cenomanian Arlington Archosaur Site (AAS) of the Lewisville Formation (Woodbine Group) in Texas. Herein, we describe a new side-necked turtle (Pleurodira), Pleurochayah appalachius gen. et sp. nov., which is a basal member of the Bothremydidae. Pleurochayah appalachius gen. et sp. nov. shares synapomorphic characters with other bothremydids, including shared traits with Kurmademydini and Cearachelyini, but has a unique combination of skull and shell traits. T… Show more

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Cited by 5 publications
(7 citation statements)
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“…Durophagy allows consumers to reduce competition by exploiting a wider range of food items or develop a specialized diet on unexploited prey (Erickson et al, 2003;Herrel et al, 2001;Wainwright, 1987). Omnivory is a dietary strategy that increases prey availability in environments with seasonal fluctuations in flora and fauna (Metzger and Herrel, 2005), and fits well with climate reconstructions for the Woodbine Formation that indicate strong seasonality with pronounced wet and dry periods (Adams et al, 2017;Main, 2013;Noto, 2015). Scolomastax sahlsteini may have filled the role of a small-bodied, opportunistic omnivore in this ecosystem, eating a wide range of foods, including carrion, a niche often filled by small mammals (Kielen-Jaworowska et al, 2004).…”
Section: Discussion Paleoecologymentioning
confidence: 66%
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“…Durophagy allows consumers to reduce competition by exploiting a wider range of food items or develop a specialized diet on unexploited prey (Erickson et al, 2003;Herrel et al, 2001;Wainwright, 1987). Omnivory is a dietary strategy that increases prey availability in environments with seasonal fluctuations in flora and fauna (Metzger and Herrel, 2005), and fits well with climate reconstructions for the Woodbine Formation that indicate strong seasonality with pronounced wet and dry periods (Adams et al, 2017;Main, 2013;Noto, 2015). Scolomastax sahlsteini may have filled the role of a small-bodied, opportunistic omnivore in this ecosystem, eating a wide range of foods, including carrion, a niche often filled by small mammals (Kielen-Jaworowska et al, 2004).…”
Section: Discussion Paleoecologymentioning
confidence: 66%
“…While fossils are found throughout the site, they are most strongly concentrated in the lowermost facies (Facies A of Adams et al, 2017), a dark brown, sandy siltstone that transitions upward into a dark gray, carbonaceous sandy siltstone. These layers are rich in plant macrofossils, palynomorphs, invertebrate fossils, and well-preserved, but disarticulated, vertebrate remains, including the crocodyliform jaw DMNH 2013-07-1256 described in this study (Adams et al, 2017;Main, 2013;Main et al, 2014). This facies within the AAS likely represents a freshwater or brackish wetland deposited in a low-energy, deltaic system, which allowed mixing of organisms across coastal environments, both in life and after death (Main, 2013;Noto et al, 2012;Rabenhorst, 2001).…”
Section: Geologic Settingmentioning
confidence: 65%
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