Nipple Butte Section - 20 (Cretaceous of the United States)

Where: Kane County, Utah (37.1° N, 111.6° W: paleocoordinates 38.5° N, 74.3° W)

• coordinate stated in text

When: Tropic Member, Late/Upper Cenomanian (99.6 - 93.5 Ma)

• "time equivalent [to the Upper Cenomanian Harland Shale Member, Greenhorn Formation]proximal offshore deposits (protodelta and equivilents; Danke et al., 1993) of the Tropic and Mancos Shales (Utah and Arizona)"

Environment/lithology: prodelta; lithified, bioturbated shale

Size classes: macrofossils, mesofossils

Preservation: mold/impression, original calcite

Collection methods: bulk,

Primary reference: B. S. Sageman and C. R. Bina. 1997. Diversity and Species Abundance Patterns in Late Cenomanian Black Shale Biofacies, Western Interior, U.S. Palaios 12:449-466 [L. Ivany/P. Wall/P. Wall]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 44164: authorized by Linda Ivany, entered by Patrick Wall on 02.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Parallelodontidae
Nemodon sp. Conrad 1869 clam
 Myalinida - Inoceramidae
Inoceramus sp. Sowerby 1814 clam
 Pectinida - Plicatulidae
Plicatula cf. ferryi Coquand 1862 scallop
 Pectinida - Anomiidae
? Anomia sp. Linnaeus 1758 jingle
 Ostreida - Arctostreidae
Gryphaeostrea sp. Conrad 1865 oyster
Ostrea sp. Linnaeus 1758 oyster
 Ostreida - Pteriidae
 Pholadida - Corbulidae
Parmicorbula sp. Vokes 1944 clam
 Cardiida - Mactridae
Geltena sp. Stephenson 1946 clam
 Cardiida - Veneridae
Callistina aff. alta venus clam
Callistina sp. aff. C. alta (juv.)
 Poromyida - Poromyidae
 Lucinida - Lucinidae
"Lucina aff. linearia" = Nymphalucina linearia
"Lucina aff. linearia" = Nymphalucina linearia Stephenson 1941 clam
 Lucinida - Mactromyidae
 Protobranchia - Nuculanidae
Nuculana cf. mutuata pointed nut clam
Gastropoda
 Neogastropoda - Turridae
Pseudomelania sp. Pictet and Campiche 1862 turrid
Pseudomelania sp. (Levicerithium?)
 Sorbeoconcha - Turritellidae
Turritella sp. Lamarck 1799 turret shell
Scaphopoda
 Dentaliida - Dentaliidae
Cephalopoda
 Ammonitida - Binneyitidae
"Borissiakoceras sp." = Borissjakoceras
"Borissiakoceras sp." = Borissjakoceras Arkhangel'skii 1916 ammonite
 Ammonitida - Acanthoceratidae
"Calycoceras naviculare" = Calycoceras (Calycoceras) naviculare Mantell 1822 ammonite
Pseudocalycoceras sp. ammonite
Pseudocalycoceras sp. (F)
Anthozoa
 Scleractinia - Caryophylliidae
Trochocyathus (Platycyathus) sp. Fromentel 1863 stony coral
 Ichnofossils -
Thalassinoides sp. Ehrenberg 1944
Planolites sp. Nicholson 1873
Chondrites sp. von Sternberg 1833