Where: Otoe County, Nebraska (40.7° N, 95.9° W: paleocoordinates 0.4° S, 26.9° W)
• outcrop-level geographic resolution
When: Pillsbury Shale Formation (Wabaunsee Group), Virgilian (303.7 - 298.9 Ma)
• Most of the gastropods were originally reported from the “Dyas” by Geinitz, which Meek (1867) equated with Marcou’s Unit C. Condra (1927) notes that this is the Table Creek Shale, which is now known as the Pillsbury Shale Formation. (Whew....)
• formation-level stratigraphic resolution
Environment/lithology: marine; argillaceous shale
Size class: macrofossils
Primary reference: F. B. Meek. 1872. Report on the paleontology of eastern Nebraska with some remarks on the Carboniferous rocks of that district. U. S. 42nd Congress, 1st session, House Ex. Document 19:83-264 [G. Webster/G. Webster]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 157668: authorized by Pete Wagner, entered by Pete Wagner on 28.06.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Turbonilla swallowiana n. sp." = Royalella swallowiana1
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"Straparollus (Amphiscapha) muricatus" = Amphiscapha muricata2
| |
"Pleurotomaria haydeniana" = Ambozone haydeniana1, "Pleurotomaria subdecussatus n. sp." = Wellergyi subdecussatus1, "Pleurotomaria grayvillensis" = Glabrocingulum grayvillense, "Pleurotomaria inornata n. sp." = Hypselentoma inornata, "Pleurotomaria perhumerosa" = Hypselentoma perhumerosa, "Pleurotomaria marcouiana n. sp." = Ananias marcouiana1
"Pleurotomaria grayvillensis" = Glabrocingulum grayvillense Norwood and Pratten 1855 snail
"Pleurotomaria inornata n. sp." = Hypselentoma inornata Meek 1872 snail
"Pleurotomaria perhumerosa" = Hypselentoma perhumerosa Meek 1872 snail | |
| |
"Murchisonia subtaeniata n. sp." = Orthonema subtaeniatum1, "Murchisonia nebrascensis n. sp." = Orthonema nebrascense1
| |
| |
"Bellerophon montfortianus" = Cymatospira montfortianus, "Bellerophon marcouianus n. sp." = Retispira marcouianus1, "Bellerophon tricarinatus n. sp." = Pharkidonotus percarinatus
"Bellerophon montfortianus" = Cymatospira montfortianus Norwood and Pratten 1855 snail
"Bellerophon tricarinatus n. sp." = Pharkidonotus percarinatus Conrad 1842 snail | |
Scaphopoda | |
"Dentalium meekianum n. sp." = Minodentalium meekianum1
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