Where: Iowa (42.0° N, 92.0° W)
• Paleocoordinates: 26.4° S, 106.9° W (Wright 2013)
• coordinate estimated from map
When: Pterospathodus eopennatus conodont zone, LaPorte City Formation, Llandovery (443.1 - 432.9 Ma)
• Sample (m) 134,06-134,31
Environment/lithology: lithified, cherty/siliceous limestone
Size class: microfossils
Primary reference: C. B. T. Waid and B. D. Cramer. 2017. Telychian (Llandovery, Silurian) conodonts from the LaPorte City Formation of eastern Iowa, USA (East-Central Iowa Basin) and their implications for global Telychian conodont biostratigraphic correlation. Palaeontologia Electronica 20(2):1-37 [P. Wagner/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 191076: authorized by Emilia Jarochowska, entered by Sarah Haegele on 08.01.2018
Creative Commons license: CC0 (CC0)
Taxonomic list
Conodonta | |
unclassified | |
Conodonta | |
Oulodus cf. petilus pacificus conodont | |
Aulacognathus angulatus conodont | |
Panderodus sp. Ethington 1959 conodont
Panderodus greenlandensis Armstrong 1990 conodont
Panderodus unicostatus Branson and Mehl 1933 conodont
Panderodus equicostatus Rhodes 1953 conodont | |
Oulodus sp. Branson and Mehl 1933 conodont | |
Distomodus staurognathoides Walliser 1964 conodont |