Lake Waco Dam: Late/Upper Cenomanian, Texas
collected by B. C. Brown, L. Brown 1948

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Plesiosauria - Polycotylidae
Ceraunosaurus brownorum n. gen., n. sp. Thurmond 1968
synonym of Trinacromerum bentonianum
see common names

Geography
Country:United States State/province:Texas County:McLennan
Coordinates: 31.6° North, 97.2° West (view map)
Paleocoordinates:30.1° North, 62.3° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Cenomanian 10 m.y. bin:Cretaceous 5
Key time interval:Late/Upper Cenomanian
Age range of interval:99.60000 - 93.50000 m.y. ago
Stratigraphy
Formation:Lake Waco
Stratigraphic resolution:bed
Stratigraphy comments: "in the type section" of the Lake Waco Formation
locality is "Late Cenomanian or possibly late Turonian" but specimen itself is "almost certainly Cenomanian"
Lithology and environment
Primary lithology: lithified "shale"
Lithology description: "slab of shale"
Environment:marine indet.
Taphonomy
Modes of preservation:body,adpression
Size of fossils:macrofossils
Articulated whole bodies:some
Associated major elements:none
Disassociated major elements:none
Disassociated minor elements:none
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collectors:B. C. Brown, L. Brown Collection dates:1948
Collection method comments: Baylor University Strecker Museum collection
locality is now flooded
Metadata
Database number:90465
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:R. Benson Research group:vertebrate
Created:2009-07-28 11:01:06 Last modified:2011-09-27 10:36:52
Access level:the public Released:2009-07-28 11:01:06
Creative Commons license:CC BY
Reference information

Primary reference:

30427. 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]

Secondary references:

34117 K. Carpenter. 1996. A review of short-necked plesiosaurs of the Western Interior, North America. Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen 201(2):259-287 [M. Carrano/H. Street]