Genus: “Capitalsaurus” KRANZ in MEANS, 1990 (nomen nudum)
Etymology:

Species: potens (LULL, 1911) KRANZ in MEANS, 1990 (nomen nudum)
Etymology: Latin, potens, "strong, powerful."

Holotype:

Locality: Muirkirk, Prince George’s County, Maryland.

Horizon: Arundel Formation, Potomac Group.

Biostratigraphy:

Age: Upper Aptian-Lower Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Vertebrae.

Referred material:

Teeth and vertebrae and isolated postcranial bones.

= Dryptosaurus? potens (LULL, 1911) GILMORE, 1920 (nomen dubium
= Creosaurus potens LULL, 1911 (nomen dubium)

Holotype: USNM 3049

Locality: F street between First and Second Streets, Southeast Washington, District of Columbia, Maryland. " From big 40 feet sewer, 45 feet below surface and above high tide level; light clays below ferruginous conglomerate."

Horizon: Arundel Formation, Potomac Group.

Biostratigraphy:

Age: Upper Aptian-Lower Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Anterior caudal centrum.

Referred material:

USNM 8505: Large manual ungual 1.