Two new species of Cenomanocarcinus Van Straelen, 1936 (Decapoda: Brachyura: Paleocorystoidea) from the Lower and Middle Cretaceous of Texas, USA, with remarks on intraspecific variation in Cenomanocarcinus

Two new Raninoida crabs from the Cretaceous of Texas are described,Planocorystes robreidinew genus new species, andTexicancernew genus to accommodateNecrocarcinus renfroae. All the previously described raninoid-like decapods from the Pawpaw Formation have been reassigned according to Karasawa et al. (2014). Cretaceous raninoid-like crabs are the dominant taxa amongst the fossil decapods found in the Fort Worth, Texas, area, with hundreds of specimens collected. All of these fossils have been collected from limonitic nodules, and most of them present a good degree of preservation, with articulated pereiopods, pleons, venter and in rare occasions even the gills. The decapod fauna of the Pawpaw Formation represents a diverse population, with a large number of taxa in high abundance. One specimen ofP.robreidiappears to exhibit a lethal bite mark.

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“…Cenomanocarcinus beardi Schweitzer et al, 2003; C . boedekeri Ossó, Jackson, and Vega, 2015; C . cantabricus Van Bakel et al, 2012; C .…”

Section: Systematic Paleontologymentioning

confidence: 99%

“…carabus (Bishop, 1988b); C . cookseyi Ossó, Jackson, and Vega, 2015; C . dissimilis Collins, 2010; C .…”

Section: Systematic Paleontologymentioning

confidence: 99%

Cretaceous fossil Raninoida De Haan, 1839 (Crustacea, Decapoda, Brachyura) from northeast Texas

2016

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New Late Cretaceous records of Cenomanocarcinus (Decapoda, Brachyura, Palaeocorystoidea) from Austria and Germany

Hyžný

Ossó²,

Summesberger

et al. 2018

Cretaceous Research

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Palaeocorystoid crabs (Decapoda, Gymnopleura) from the Maastrichtian of the Atlantic Coastal Plain, USA: The youngest occurrences of Cenocorystes and Cenomanocarcinus

Bakel

Phillips

Clements

et al. 2019

Cretaceous Research

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Two new species of Cenomanocarcinus Van Straelen, 1936 (Decapoda: Brachyura: Paleocorystoidea) from the Lower and Middle Cretaceous of Texas, USA, with remarks on intraspecific variation in Cenomanocarcinus

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Cretaceous fossil Raninoida De Haan, 1839 (Crustacea, Decapoda, Brachyura) from northeast Texas

Cretaceous fossil Raninoida De Haan, 1839 (Crustacea, Decapoda, Brachyura) from northeast Texas

New Late Cretaceous records of Cenomanocarcinus (Decapoda, Brachyura, Palaeocorystoidea) from Austria and Germany

Palaeocorystoid crabs (Decapoda, Gymnopleura) from the Maastrichtian of the Atlantic Coastal Plain, USA: The youngest occurrences of Cenocorystes and Cenomanocarcinus

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