Where: Montana (47.4° N, 105.6° W: paleocoordinates 5.8° S, 39.8° W)
• coordinate based on political unit
• basin-level geographic resolution
When: Castle Reef Dolomite Formation, Osagean (353.8 - 342.8 Ma)
• "Mississippian; Castle Reef Dolo. lower mbr. and Sun River mbr."
• formation-level stratigraphic resolution
Environment/lithology: marine; dolomitic, cherty/siliceous limestone
Size class: macrofossils
Primary reference: M. R. Mudge, W. J. Sando, and J. T. Dutro, Jr. 1962. Mississippian Rocks of Sun River Canyon Area, Sawtooth Range, Montana. AAPG Bulletin 46(11):2003-2018 [M. Uhen/J. Ju/J. Ju]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 564: authorized by Jack Sepkoski, entered by Mike Sommers on 14.01.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Syringopora sp. Goldfuss 1826 tabulate coral | |
Michelinia sp. de Koninck 1841 tabulate coral | |
Vesiculophyllum sp. Easton 1944 horn coral
Enygmophyllum sp. Fomichev 1931 horn coral | |
Cyathaxonia sp. Michelin 1847 horn coral | |
Zaphriphyllum sp. Sutherland 1954 horn coral
Faberophyllum sp. Parks 1951 horn coral | |
| |
Fasciculophyllum sp. Thomson 1883 horn coral | |
Homalophyllites sp. Easton 1944 horn coral
Ankhelasma sp. Sando 1961 horn coral | |
Zaphrentites sp. Hudson 1941 horn coral | |
Thysanophyllum sp. Nicholson and Thomson 1876 horn coral | |
Lithostrotion sp. Fleming 1828 horn coral | |
Trilobita | |
| |
Strophomenata | |
| |
Leptaena sp. Dalman 1828 | |
Chonetes sp. Fischer de Waldheim 1830 | |
Schuchertella sp. Girty 1904 | |
Rhynchonellata | |
| |
| |
| |
Dimegelasma sp. Cooper 1942 | |
Punctospirifer sp. North 1920 | |
Composita sp. Brown 1849
Cleiothyridina sp. Buckman 1906 | |
Rhynchonellidae indet. Gray 1848 rhynchonelloid brach - originally entered as "Rhynchonellida indet."
| |
Stenolaemata | |
Cystodictya sp. Ulrich 1882 | |
| |
| |
Fenestella sp. Lonsdale 1839 | |
Bivalvia | |
| |
Gastropoda | |
| |
| |
| |
Conodontophorida | |
| |
Gnathostomata | |
| |
Crinoidea | |
|