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
Malacostraca | |
Hoploparia sp. M'Coy 1849 clawed lobster | |
Brachyura indet. Latreille 1802 crab | |
Cephalopoda | |
Sphenodiscus sp. Meek 1871 ammonite
"Sphenodiscus lenticularis" = Sphenodiscus lobatus Tuomey 1856 ammonite
Sphenodiscus ? beecheri Hyatt 1903 ammonite | |
Baculites larsoni ammonite | |
Hoploscaphites nicolletii, Hoploscaphites comprimus, Jeletzkytes nebrascensis, Discoscaphites sp., Discoscaphites rossi, Discoscaphites gulosus, Discoscaphites conradi
Hoploscaphites nicolletii Morton 1842 ammonite
Hoploscaphites comprimus Owen 1852 ammonite
Jeletzkytes nebrascensis Owen 1852 ammonite
Discoscaphites sp. Meek 1870 ammonite
Discoscaphites rossi Landman and Waage 1993 ammonite
Discoscaphites gulosus Morton 1834 ammonite
Discoscaphites conradi Morton 1834 ammonite | |
Actinosepia canadensis Whiteaves 1897 vampire squids | |
Belemnitella bulbosa Meek and Hayden 1856 belemnite | |
Bivalvia | |
Solemya subplicata Awning Clam | |
Nucula planomarginata nut clam
Nucula cancellata Meek and Hayden 1857 nut clam | |
Yoldia rectangularis clam | |
Malletia evansi clam | |
"Nuculana (Jupiteria) scitula" = Jupiteria, Nuculana (Nuculana) grandensis
"Nuculana (Jupiteria) scitula" = Jupiteria pointed nut clam
Nuculana (Nuculana) grandensis pointed nut clam | |
Crenella elegantula Meek and Hayden 1862 clam | |
Parallelodon (Cosmetodon) sulcatinus Evans and Shumard 1857 clam | |
Oxytoma (Hypoxytoma) nebrascana Evans and Shumard 1857 scallop | |
Syncyclonema halli scallop | |
Camptonectes hallii scallop | |
Ostrea translucida oyster | |
Phelopteria linguaeformis pearl oyster | |
Pseudoptera subtortuosa oyster | |
Tenuipteria fibrosa clam | |
Periploma subgracile clam | |
Goniomya americana clam | |
Dosiniopsis deweyi venus clam | |
Cymbophora warrenana clam | |
Protocardia subquadrata Evans and Shumard 1857 cockle
Granocardium (Ethmocardium) whitei Dall 1901 cockle | |
Tellinimera scitula tellin clam | |
Tancredia americana Meek and Hayden 1857 clam | |
"Varicorbula crassimarginata" = Corbula (Varicorbula)
"Varicorbula crassimarginata" = Corbula (Varicorbula) clam | |
Clisocolus moreauensis Meerk and Hayden 1861 clam | |
Gastropoda | |
Semitriton buccinoides snail | |
Rhombopsis subturritus snail
Graphidula culbertsoni snail | |
Serrifusus dakotaensis snail | |
Drepanochilus evansi snail | |
"Nonacteonina sp." = Nonactaeonina
"Nonacteonina sp." = Nonactaeonina snail | |
Ellipsoscapha sp. Stephenson 1941 snail | |