Where: Iowa (42.4° N, 92.4° W: paleocoordinates 33.0° S, 37.6° W)
• coordinate estimated from map
• local area-level geographic resolution
When: middle Polygnathus varcus conodont zone, Solon Member (Little Cedar Formation), Givetian (387.7 - 382.7 Ma)
• PJW: Ellwood & Day (2006) note is the middle varcus part of the Little Cedar is the Solon member.
• member-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size classes: macrofossils, mesofossils
Primary reference: J. Day. 1996. Faunal signatures of Middle-Upper Devonian depositional sequences and sea level fluctuations in the Iowa Basin: US Midcontinent. Paleozoic Sequence Stratigraphy: Views from the North America Craton: Boulder, Colorado, Geological Society of America Special Paper 306 306:277-300 [A. Miller/J. Zambito/J. Zambito]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 93842: authorized by Arnold Miller, entered by Jay Zambito on 04.02.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
Floweria orthoplicata, "Schuchertella iowensis" = Floweria iowensis
"Schuchertella iowensis" = Floweria iowensis Stainbrook 1943 | |
"Strophodonta subdemissa" = Strophomena (Strophodonta), "Strophodonta costata" = Strophomena (Strophodonta), "Strophodonta solonensis" = Strophomena (Strophodonta), Pholidostrophia iowensis
"Strophodonta subdemissa" = Strophomena (Strophodonta)
"Strophodonta costata" = Strophomena (Strophodonta)
"Strophodonta solonensis" = Strophomena (Strophodonta) | |
Productella belanskii Stainbrook 1943 | |
Rhynchonellata | |
"Schizophoria meeki" = Schizophoria (Schizophoria) macfarlanii
"Schizophoria meeki" = Schizophoria (Schizophoria) macfarlanii Meek 1868 | |
Spinatrypa mascula, Spinatrypa occidentalis, Pseudoatrypa bremerensis, "Independatrypa independensis" = Desquamatia (Independatrypa), "Seratrypa rusica" = Desquamatia (Seratrypa)
"Independatrypa independensis" = Desquamatia (Independatrypa)
"Seratrypa rusica" = Desquamatia (Seratrypa) | |
"Gypidula comis" = Gypidula cornuta
"Gypidula comis" = Gypidula cornuta Fenton and Fenton 1924 | |
Craniata | |
Lingulata | |