Ichnogenus: Hypsiloichnus STANFORD, WEEMS & LOCKLEY, 2004

Etymology: Hypsilo- the name of the famly Hypsilophodontidae, and latinized greek, ichnus, 'trace': In reference to 'A hypsilophodontid trace".

Ichnospecies: marylandicus STANFORD, WEEMS & LOCKLEY, 2004

Etymology: In reference to the state of Maryland.

Holotype: CU 199.46

Locality: On a small block of siderite-cemented sandstone, Prince Georges County, Maryland.

Horizon: Patuxent Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material: Cast of a manus/pes pair.

Referred material:

In situ: Tracing of a pes.

 

Locality: A small block of siderite-cemented sandstone, Baltimore County, Maryland.

Horizon: Patuxent Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

In situ: Tracing of a manus/pes pair.

 

Locality: A small block of silica-cemented sandstone, Stafford County, Virginia.

Horizon: Patuxent Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

In situ: Cast of a manus/pes pair.