Where: Bell County, Texas (31.1° N, 97.5° W: paleocoordinates 28.5° N, 57.8° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Keys Valley Marl Formation, Middle Albian (109.0 - 105.3 Ma)
• STRATIGRAPHIC RELATIONS: From the Keys Valley Marl, which overlies the Cedar Park Limeston and is overlain by the Comanche Peak Limestone. It is a lateral correlative of the Walnut Formation. AGE: Middle Albian; Oxytropidoceras salasi zone. STRATIGRAPHIC POSITION: From unknown position within formation.
• group of beds-level stratigraphic resolution
Environment/lithology: lithified marl
Size class: macrofossils
Preservation: cast, mold/impression
Collection methods: COLLECTOR: Unknown, but may include K. Young, 1966. REPOSITORY: Most University of Texas (UT), but also BEG.
Primary reference: K. Young. 1966. Texas Mojsisoviciziinae (Ammonoidea) and the zonation of the Fredricksburg. Geological Society of America Memoir 100:1-225 [A. Hendy/A. Hendy/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 82859: authorized by Austin Hendy, entered by Austin Hendy on 03.08.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Manuaniceras uddeni" = Oxytropidoceras (Oxytropidoceras) boesei, Venezoliceras acutocarinatum
"Manuaniceras uddeni" = Oxytropidoceras (Oxytropidoceras) boesei Knechtel 1947 ammonite
Venezoliceras acutocarinatum Shumard 1853 ammonite |