Where: Republic County, Kansas (39.7° N, 97.7° W: paleocoordinates 40.1° N, 62.5° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Jetmore Chalk Member (Greenhorn Limestone Formation), Early/Lower Turonian (93.5 - 89.3 Ma)
• A chalky shale portion of the Jetmore Chalk, specifically between Hattin’s (1975) Marker Units JT-9 and JT-10.
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, calcareous shale
Size class: macrofossils
Collection methods: bulk, surface (in situ), chemical, acetic
• Repository: Sternberg Museum of Natural History, Fort Hays State University (FHSM)
Primary reference: F. Guzzo and K. Shimada. 2018. A new fossil vertebrate locality of the Jetmore Chalk Member of the Upper Cretaceous Greenhorn Limestone in north-central Kansas, U.S.A. Transactions of the Kansas Academy of Science 121:59-68 [M. Clapham/M. Clapham]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 213385: authorized by Matthew Clapham, entered by Matthew Clapham on 30.08.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
Actinopteri | |
Caturidae indet. Owen 1860 bowfin | |
Hadrodus sp. Leidy 1857 | |
Pachyrhizodus sp. Agassiz 1850
Pachyrhizodus minimus Stewart 1899 | |
Xiphactinus audax Leidy 1870 | |
Plethodidae indet. Loomis 1900 | |
Cylindracanthus sp. Leidy 1856 | |
Reptilia | |
Coniasaurus cf. crassidens Owen 1850 squamates | |
Chondrichthyes | |
Ptychodus cf. whipplei Marcou 1858 elasmobranch | |
Cardabiodon sp. Siverson 1999 mackerel shark | |
Squalicorax cf. falcatus Agassiz 1843 crow shark | |
Cretoxyrhina mantelli Agassiz 1835 mackerel shark | |
Archaeolamna kopingensis Davis 1890 mackerel shark |