Where: Wallace County County, Kansas (39.0° N, 101.0° W: paleocoordinates 42.0° N, 67.2° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Niobrara Formation (Colorado Group), Early/Lower Coniacian to Early/Lower Coniacian (89.3 - 83.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: P. D. Gingerich. 1972. A new partial mandible of Ichthyornis. The Condor 74(4):471-473 [J. Hunter/J. Hunter/J. Hunter]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 13301: authorized by John Hunter, entered by John Hunter on 20.02.2002

Creative Commons license: CC BY (attribution)