Near Delphos (USNM 4989, Brachauchenius lucasi type locality) (Cretaceous to of the United States)

Where: Ottawa County County, Kansas (39.3° N, 97.8° W: paleocoordinates 39.6° N, 62.8° W)

• coordinate based on nearby landmark

When: [Mammites nodosoides or Colligniceras woollgari ammonoid zone, Early/Lower Turonian to Early/Lower Turonian (93.5 - 89.3 Ma)

• "Upper Greenhorn Limestone or lower Fairport Chalk Member. If this assessment is correct then the specimen is Middle Turonian in age" (Schumacher & Evrhart 2005).

•Mammites nodosoides or Colligniceras woollgari ammonite zones according to Schumacher (2011), so Early-Middle Turonian

Environment/lithology: marine; massive limestone

Size class: macrofossils

Collected by John Potts in 1884; reposited in the UNSM

Collection methods: quarrying,

Primary reference: B. A. Schumacher and M. J. Everhart. 2005. A stratigraphic and taxonomic review of plesiosaurs from the old "Fort Benton Group" of central Kansas: a new assessment of old records. Paludicola 5(2):33-54 [R. Benson/R. Benson/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117803: authorized by Roger Benson, entered by Roger Benson on 26.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sauropterygia - Pliosauridae
Brachauchenius lucasi n. gen. n. sp.
Brachauchenius lucasi n. gen. n. sp. Williston 1903 plesiosaur
USNM 4989 (holotype)