La Ventana Ichthyornis (YPM 9148) (Cretaceous of the United States)

Where: Sandoval County, New Mexico (35.9° N, 106.9° W: paleocoordinates 38.4° N, 73.0° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Scaphites whitfieldi ammonoid zone, Juana Lopez Member (Mancos Shale Formation), Late/Upper Turonian (93.5 - 89.3 Ma)

• from 5th unit below top of reference section for member; in Scaphites whitfieldi subzone of Prionocyclus novimexicanus ammonite zone

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; grainstone

• "2 foot, 2 inch thick calcarenite"

Size class: macrofossils

Collected by S. G. Lucas in 1979; reposited in the YPM

Primary reference: S. G. Lucas and R. M. Sullivan. 1982. Ichthyornis in the Late Cretaceous Mancos Shale (Juana Lopez Member), northwestern New Mexico. Journal of Paleontology 56(2):545-547 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 84547: authorized by Matthew Carrano, entered by Matthew Carrano on 29.10.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ornithurae -
Ichthyornis sp. Marsh 1872 bird
YPM 9148