Where: Crook County, Oregon (44.0° N, 119.8° W: paleocoordinates 19.8° N, 36.1° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Coyote Butte Formation, Kungurian (279.3 - 272.3 Ma)
• Mesogondolella idahoensis and N. pequopensis suggest Kungurian age (Wardlaw et al., 1982)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; limestone and sandstone
Size class: macrofossils
Primary reference: G. A. Cooper. 1957. Permian brachiopods from central Oregon. Smithsonian Miscellaneous Contributions 134(12):1-79 [D. Bottjer/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 40969: authorized by David Bottjer, entered by Matthew Clapham on 04.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
"Pseudomartinia aff. semiglobosa" = Tiramnia semiglobosa
"Pseudomartinia aff. semiglobosa" = Tiramnia semiglobosa Tschernyschew 1902 | |
Neospirifer "sp. 1" Fredericks 1919 | |
Spiriferella pseudodraschei Einor 1939 | |
Stenoscisma cf. plicatum Kutorga 1844 | |
Rhynchopora magna n. sp.
Rhynchopora magna n. sp. Cooper 1957 | |
Dielasma brevicostatum n. sp.
Dielasma brevicostatum n. sp. Cooper 1957 | |
Strophomenata | |
Probolionia posteroreticulata Cooper 1957
? Marginifera costellata Cooper 1957 | |
"Muirwoodia transversa" = Yakovlevia transversa, Kochiproductus cf. porrectus
"Muirwoodia transversa" = Yakovlevia transversa Cooper 1957
Kochiproductus cf. porrectus Kutorga 1844 | |
"Antiquatonia sulcata" = Antiquatonia cooperi, ? Alexenia occidentalis, "Avonia oregonensis" = Krotovia oregonensis
"Antiquatonia sulcata" = Antiquatonia cooperi Shi 1990
? Alexenia occidentalis Cooper 1957
"Avonia oregonensis" = Krotovia oregonensis Cooper 1957 | |
"Chonetes" "sp. 1" Fischer de Waldheim 1830 |