Genus: Priconodon MARSH, 1888 (nomen dubium)
Etymology: Greek, prion, “saw” and Greek, konos, “cone, + us: “Saw-cone tooth”.
= Princonodon LULL, 1911 (sic)

Species: crassus MARSH, 1888 (nomen dubium)
Etymology:
= Stegosaurus crassus (MARSH, 1888) HENNING, 1915 (nomen dubium)

Holotype: USNM 2135

Locality: Swampoodle (Muirkirk, MERRILL, 1907), Prince George County, Maryland.

Horizon: Arundel Formation, Potomac Group.

Biostratigraphy:

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

Material: Tooth.

Referred material:

CARPENTER & KIRKLAND, 1998

USNM 8437, 8438, 8439, 8440, 8441, 337984, 437985, 442458, 442551, 451960, 466057, 481142: Teeth.

 


Locality: Coffee Mine, Muirkirk, Maryland.

Horizon: Arundel Formation, Potomac Group.

Biostratigraphy:

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

Material:

USNM 9154: Tooth.

 


MARTIN & BRETT-SURMAN, 1992

Locality: 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:

Number: Not given: A large tooth.