Where: Baltimore County, Maryland (39.4° N, 76.4° W: paleocoordinates 33.4° N, 29.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Patuxent Formation (Potomac Group), Aptian (125.0 - 113.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: delta plain; lithified, sideritic sandstone
Size class: macrofossils
Preservation: mold/impression, trace
Collected by R. Stanford
Collection methods: surface (float), surface (in situ),
Primary reference: R. Stanford, R. E. Weems, and M. G. Lockley. 2004. A new dinosaur ichnotaxon from the Lower Cretaceous Patuxent Formation of Maryland and Virginia. Ichnos 11:251-259 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 69258: authorized by Matthew Carrano, entered by Matthew Carrano on 22.02.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Hypsiloichnus marylandicus Stanford et al. 2004 ornithopod |