Where: South Dakota (45.1° N, 100.9° W: paleocoordinates 50.8° N, 74.6° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Hoploscaphites nicolletii ammonoid zone, Timber Lake Member (Fox Hills Formation), Late/Upper Maastrichtian (70.6 - 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: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Nonacteonina sp." = Nonactaeonina
"Nonacteonina sp." = Nonactaeonina snail | |
Ellipsoscapha sp. Stephenson 1941 snail | |
Drepanochilus evansi snail | |
Semitriton buccinoides snail | |
Serrifusus dakotaensis snail | |
Rhombopsis subturritus snail
Graphidula culbertsoni snail | |
Cephalopoda | |
Actinosepia canadensis Whiteaves 1897 vampire squids | |
Belemnitella bulbosa Meek and Hayden 1856 belemnite | |
Baculites larsoni ammonite | |
Hoploscaphites nicolletii, Hoploscaphites comprimus, Discoscaphites sp., Discoscaphites conradi, Discoscaphites rossi, Discoscaphites gulosus, Jeletzkytes nebrascensis
Hoploscaphites nicolletii Morton 1842 ammonite
Hoploscaphites comprimus Owen 1852 ammonite
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 | |
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus ? beecheri Hyatt 1903 ammonite
"Sphenodiscus lenticularis" = Sphenodiscus lobatus Tuomey 1856 ammonite | |
Bivalvia | |
Periploma subgracile clam | |
Goniomya americana clam | |
Protocardia subquadrata Evans and Shumard 1857 cockle
Granocardium (Ethmocardium) whitei Dall 1901 cockle | |
Tancredia americana Meek and Hayden 1857 clam | |
Tellinimera scitula Meek and Hayden 1856 tellin clam | |
Cymbophora warrenana Meek and Hayden 1856 clam | |
Dosiniopsis deweyi Meek and Hayden 1856 venus clam | |
Varicorbula crassimarginata Meek and Hayden 1860 clam | |
Clisocolus moreauensis Meerk and Hayden 1861 clam | |
Parallelodon (Cosmetodon) sulcatinus Evans and Shumard 1857 clam | |
Phelopteria linguaeformis Evans and Shumard 1854 pearl oyster | |
Pseudoptera subtortuosa oyster | |
Ostrea translucida oyster | |
Oxytoma (Hypoxytoma) nebrascana Evans and Shumard 1857 scallop | |
Camptonectes hallii scallop | |
Syncyclonema halli scallop | |
Tenuipteria fibrosa clam | |
Modiolus aff. attenuatus mussel
Modiolus galpinianus mussel
Modiolus meeki Evans and Shumard 1857 mussel | |
Crenella elegantula Meek and Hayden 1862 clam | |
"Nuculana (Jupiteria) scitula" = Jupiteria, Nuculana (Nuculana) grandensis
"Nuculana (Jupiteria) scitula" = Jupiteria pointed nut clam
Nuculana (Nuculana) grandensis pointed nut clam | |
Yoldia rectangularis clam | |
Malletia evansi clam | |
Nucula planomarginata nut clam
Nucula cancellata Meek and Hayden 1857 nut clam | |
Solemya subplicata Awning Clam | |
Malacostraca | |
Brachyura indet. Latreille 1802 crab | |
Hoploparia sp. M'Coy 1849 clawed lobster | |