Where: Muskingham County, Ohio (39.8° N, 81.9° W: paleocoordinates 7.0° S, 18.6° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Streptognathodus gracilis conodont zone, Portersville Member (Conemaugh Formation), Missourian (306.0 - 303.7 Ma)
• member-level stratigraphic resolution
Environment/lithology: coastal; lithified shale and lithified limestone
Size class: macrofossils
Reposited in the OSU
Primary reference: W. M. Laird. 1937. The Portersville Member of the Conemaugh Formation in Muskingum County, Ohio. The Ohio Journal of Science 37(3):141-146 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 175100: authorized by Pete Wagner, entered by Pete Wagner on 02.12.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
"Orthoceras rushense" = Protocycloceras rushense
"Orthoceras rushense" = Protocycloceras rushense McChesney 1859 | |
| Gastropoda | |
|
Pharkidonotus percarinatus Conrad 1842 snail | |
|
Worthenia sp. de Koninck 1883 snail | |
| Bivalvia | |
"Leda bellistriata" = Polidevcia bellistriata
"Leda bellistriata" = Polidevcia bellistriata Stevens 1858 clam | |
"Nuculopsis ventricosa" = Nuculopsis girtyi
"Nuculopsis ventricosa" = Nuculopsis girtyi Schenck 1934 nut clam | |
|
Edmondia aspenwallensis Meek 1871 clam | |
|
Astartella vera Hall 1858 clam | |
|
Parallelodon tenuistriatus Meek and Worthen 1866 clam
Parallelodon obsoletus Meek 1871 clam | |
| Strophomenata | |
"Chonetes verneuilanus" = Chonetinella verneuilana, "Chonetes granulifer" = Neochonetes granulifer
"Chonetes verneuilanus" = Chonetinella verneuilana Norwood and Pratten 1855
"Chonetes granulifer" = Neochonetes granulifer Owen 1852 | |
"Productus cora" = Linoproductus cora
"Productus cora" = Linoproductus cora d'Orbigny 1842 | |
"Derbya crassa" = Derbyia crassa
"Derbya crassa" = Derbyia crassa Meek and Hayden 1858 | |
| Stenolaemata | |
|
Rhombopora lepidodendroides Meek 1872 | |