Where: Travis County, Texas (30.3° N, 97.7° W: paleocoordinates 35.4° N, 70.7° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Delawarella delawarensis ammonoid zone, Pflugerville Formation (Austin Group), Early/Lower Campanian (83.5 - 70.6 Ma)
• Within Delawarella delawarensis Zone
• bed-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Collected in 1985; reposited in the TMM
Collection methods: quarrying,
Primary reference: D.C. Parris and J. Echols. 1992. The Fossil Bird Ichthyornis In The Cretaceous of Texas. The Texas Journal of Science 44(2):201-212 [J. Hunter/J. Rezza/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 34756: authorized by Matthew Carrano, entered by Matthew Carrano on 22.09.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Aves | |
"Ichthyornis antecessor" = Ichthyornis dispar
"Ichthyornis antecessor" = Ichthyornis dispar Marsh 1872 bird |