Where: South Dakota (45.1° N, 100.9° W)
• Paleocoordinates: 54.4° N, 60.4° W (Wright 2013)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Hoploscaphites nicolletii ammonoid zone, Timber Lake Member (Fox Hills Formation), Late/Upper Maastrichtian (72.2 - 66.0 Ma)
• STRATIGRAPHIC RELATIONS: From the Timber Lake Mbr of the Fox Hills Fm, which overlies the Pierre Shale, and is overlain by the Hell Creek Fm. AGE: Late Maastrichtian, on the basis of ammonoid biostratigraphy; Hoploscaphites nicolletii-Jeletzkytes nebrascensis zone. STRATIGRAPHIC POSITION: From unknown position within the member.
• member-level stratigraphic resolution
Environment/lithology: marine; lithified sandstone
Size class: macrofossils
Reposited in the YPM
Collection methods: surface (in situ),
• COLLECTOR: Multiple collectors. REPOSITORY: Many repositories, including YPM.
Primary reference: N. H. Landman and K. M. Waage. 1993. Scaphitid ammonites of the Upper Cretaceous (Maastrichtian) Fox Hills Formation in South Dakota and Wyoming. Bulletin of the American Museum of Natural History 215:1-257 [A. Hendy/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 88511: authorized by Austin Hendy, entered by Austin Hendy on 13.04.2009
Creative Commons license: CC0 (CC0)
Taxonomic list
| Cephalopoda | |
|
Actinosepia canadensis Whiteaves 1897 vampire squids | |
|
Belemnitella bulbosa Meek and Hayden 1856 belemnite | |
|
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus ? beecheri Hyatt 1903 ammonite
"Sphenodiscus lenticularis" = Sphenodiscus lobatus Tuomey 1856 ammonite | |
Discoscaphites sp., Discoscaphites conradi, Discoscaphites rossi, Discoscaphites gulosus, Jeletzkytes nebrascensis, Hoploscaphites nicolletii, Hoploscaphites comprimus
Discoscaphites sp. Meek 1870 ammonite
Discoscaphites conradi Morton 1834 ammonite
Discoscaphites rossi Landman and Waage 1993 ammonite
Discoscaphites gulosus Morton 1834 ammonite
Jeletzkytes nebrascensis Owen 1852 ammonite
Hoploscaphites nicolletii Morton 1842 ammonite
Hoploscaphites comprimus Owen 1852 ammonite | |
|
Baculites larsoni ammonite | |
| Gastropoda | |
"Nonacteonina sp." = Nonactaeonina
"Nonacteonina sp." = Nonactaeonina snail | |
|
Semitriton buccinoides snail | |
|
Rhombopsis subturritus snail
Graphidula culbertsoni snail | |
|
Serrifusus dakotaensis snail | |
|
Drepanochilus evansi snail | |
|
Ellipsoscapha sp. Stephenson 1941 snail | |
| Bivalvia | |
|
Modiolus aff. attenuatus Meek and Hayden 1857 horsemussel
Modiolus meeki Evans and Shumard 1857 horsemussel
Modiolus galpinianus Evans and Shumard 1854 horsemussel | |
|
Crenella elegantula Meek and Hayden 1862 clam | |
"Parallelodon (Cosmetodon) sulcatinus" = Grammatodon (Cosmetodon) sulcatinus
"Parallelodon (Cosmetodon) sulcatinus" = Grammatodon (Cosmetodon) sulcatinus Evans and Shumard 1857 clam | |
|
Cucullaea nebrascensis Owen 1852 clam | |
|
Oxytoma (Hypoxytoma) nebrascana Evans and Shumard 1857 scallop | |
|
Camptonectes hallii scallop | |
|
Syncyclonema halli scallop | |
|
Phelopteria linguaeformis Evans and Shumard 1854 pearl oyster | |
|
Pseudoptera subtortuosa Meek and Hayden 1856 oyster | |
|
Ostrea translucida Meek and Hayden 1857 oyster | |
|
Tenuipteria fibrosa Meek and Hayden 1856 clam | |
|
Varicorbula crassimarginata Meek and Hayden 1860 clam | |
|
Spaniorinus nicolleti Speden 1970 clam | |
|
Tancredia americana Meek and Hayden 1857 clam | |
|
Tellinimera scitula Meek and Hayden 1856 tellin clam | |
|
Protocardia subquadrata Evans and Shumard 1857 cockle
Granocardium (Ethmocardium) whitei Dall 1900 cockle | |
|
Cymbophora warrenana Meek and Hayden 1856 clam | |
"Clisocolus moreauensis" = Glossus moreauensis
"Clisocolus moreauensis" = Glossus moreauensis Meerk and Hayden 1861 clam | |
|
Dosiniopsis deweyi Meek and Hayden 1856 venus clam | |
|
Goniomya americana Meek and Hayden 1856 clam | |
|
Periploma subgracile Whitfield 1880 lantern shells | |
|
Cuspidaria ventricosa Meek and Hayden 1856 clam | |
|
Nymphalucina occidentalis Morton 1842 clam | |
|
Yoldia rectangularis Speden 1970 clam | |
|
Malletia evansi Meek and Hayden 1857 clam | |
|
Nuculana (Jupiteria) scitula Meek and Hayden 1856 pointed nut clam
Nuculana (Nuculana) grandensis Speden 1970 pointed nut clam | |
|
Solemya subplicata Meek and Hayden 1856 Awning Clam | |
|
Nucula cancellata Meek and Hayden 1857 nut clam
Nucula planomarginata Meek and Hayden 1857 nut clam | |
| Malacostraca | |
|
Hoploparia sp. M'Coy 1849 clawed lobster | |
|
Brachyura indet. Latreille 1802 crab | |