Maryland - US - North America

The Arundel Formation is the middle member of the Potomac Group -- Lower Cretaceous continental deposits to the West of the Cretaceous marine deposits. The outcrop runs roughly through downtown Washington DC and NorthEast toward the corner of PA, MD and DE. Arundel was most probably a series of Oxbow lake deposits.

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Allosaurus medius - \\\"Carnosaurs\\\" Nomina Dubia - Cretaceous Early Hauterivian Barremian

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Astrodon - Titanosauria Incertae Sedis - Cretaceous Early Hauterivian Barremian

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Astrodon altus - Titanosauria Incertae Sedis - Cretaceous Early Hauterivian Barremian

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Astrodon johnstoni - Titanosauria Incertae Sedis - Cretaceous Early Hauterivian Barremian

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Astrodon nanus - Titanosauria Incertae Sedis - Cretaceous Early Hauterivian Barremian

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Capitalsaurus - \\\"Carnosaurs \\\" Nomina Dubia - Cretaceous Early Aptian

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Coelosaurus - Ornithomimosauria Nomina Dubia - Cretaceous Early Cretaceous Late Hauterivian Barremian Aptian Albian Cenomanian Turonian Coniacian Santonian Campanian Maastrichtian

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Coelosaurus affinis - Ornithomimosauria Nomina Dubia - Cretaceous Early Hauterivian Barremian

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Coelurus gracilis - Coelurosauria Nomina Dubia - Cretaceous Early Hauterivian Barremian

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Creosaurus atrox - Carnosauria Allosauridae - Cretaceous Early Hauterivian Barremian

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Creosaurus potens - \\\"Carnosaurs\\\" Nomina Dubia - Cretaceous Early Hauterivian Barremian

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Dryptosaurus potens - \\\"Carnosaurs\\\" Nomina Dubia - Cretaceous Early Hauterivian Barremian

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\\\"Ornithomimus\\\" affinis - Theropoda Incertae Sedis Nomina Dubia - Cretaceous Early

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Pleurocoelus altus - Titanosauria Incertae Sedis - Cretaceous Early Hauterivian Barremian

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Pleurocoelus nanus - Titanosauria Incertae Sedis - Cretaceous Early Hauterivian Barremian

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Priconodon crassus - Ankylosauria Nomina Dubia - Cretaceous Early Hauterivian Barremian

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Tenontosaurus sp. - Ornithopoda Iguanodontidae - Cretaceous Early Hauterivian Barremian

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