Where: McPherson County, Kansas (38.6° N, 97.8° W: paleocoordinates 35.8° N, 58.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Kiowa Formation, Late/Upper Albian (105.3 - 99.6 Ma)
• said to be in the Inoceramus comancheanus zone and "approximately middle Late Albian"
•from "the upper one-third of the strata exposed at the quarry" and the unit is "between 30 and 40 m thick in central Kansas"
• member-level stratigraphic resolution
Environment/lithology: coastal; gray shale and poorly lithified, concretionary, glauconitic, hematitic, pyritic, sideritic, gray sandstone
Size class: mesofossils
Collection methods: surface (float), surface (in situ),
• at least some material in situ and other material "from the surface"
•material reposited in the Fort Hays State University Sternberg Museum of Natural History
Primary reference: M. J. Everhart. 2004. First record of the hybodont shark genus, "Polyacrodus" sp., (Chondrichthyes; Polyacrodontidae) from the Kiowa Formation (Lower Cretaceous) of McPherson County, Kansas. Transactions of the Kansas Academy of Science 107(1/2):83-87 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 38111: authorized by John Alroy, entered by John Alroy on 12.04.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
"Polyacrodus" sp. Jaekel 1889 elasmobranch |