Where: Parker County, Texas (32.8° N, 97.8° W: paleocoordinates 30.2° N, 60.3° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Goodland Limestone Formation (Fredericksburg Group), Late/Upper Albian (105.3 - 99.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Goodland Limestone, which overlies the Walnut Clay Fm, and is overlain by the Kiamichi Fm of the Fredricksburg Gp. AGE: late Middle Albian; upper early Comanchean, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From unknown position in formation.
• bed-level stratigraphic resolution
Environment/lithology: lithified limestone
Size class: macrofossils
Preservation: cast, mold/impression
Reposited in the USNM
Collection methods: surface (in situ),
• COLLECTOR: Not stated, but presumably the authors. REPOSITORY: USNM, Washington.
Primary reference: W. J. Kennedy, N. H. Landman, and W. A. Cobban. 1998. Engonoceratid ammonites from the Glen Rose Limestone, Walnut Clay, Goodland Limestone, and Comanche Peak Limestone (Albian) in Texas. American Museum Novitates 3221:1-40 [A. Hendy/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 82419: authorized by Austin Hendy, entered by Austin Hendy on 27.07.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Engonoceras hilli Böhm 1898 ammonite
Engonoceras stolleyi Böhm 1898 ammonite |