Gateway to the Paleobiology Database
Lake Waco Dam (Cretaceous of the United States)

Where: McLennan County, Texas (31.6° N, 97.2° W: paleocoordinates 30.1° N, 62.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lake Waco Formation, Late/Upper Cenomanian (99.7 - 94.3 Ma)

• "in the type section" of the Lake Waco Formation

•locality is "Late Cenomanian or possibly late Turonian" but specimen itself is "almost certainly Cenomanian"

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified shale

• "slab of shale"

Size class: macrofossils

Preservation: adpression

Collected by B. C. Brown, L. Brown in 1948

• Baylor University Strecker Museum collection

•locality is now flooded

Primary reference: J. T. Thurmond. 1968. A new polycotylid plesiosaur from the Lake Waco Formation (Cenomanian) of Texas. Journal of Paleontology 42(5):1289-1296 [J. Alroy/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90465: authorized by John Alroy, entered by John Alroy on 28.07.2009

Creative Commons license: CC BY (attribution)