Where: Perry County, Missouri (37.8° N, 89.9° W: paleocoordinates 28.9° S, 53.3° W)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Polygnathoides siluricus conodont zone, Bainbridge Formation, Ludfordian (425.6 - 423.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: deep subtidal ramp; lithified, argillaceous lime mudstone
Size class: microfossils
• All abundance data is average number of specimens per kilogram of sample.
Preservation: original phosphate
Collection methods: chemical, acetic, sieve
Primary reference: C. B. Rexroad and W. W. Craig. 1971. Restudy of conodonts from the Bainbridge Formation (Silurian) at Lithium, Missouri. Journal of Paleontology 45(4):684-703 [E. Jarochowska/E. Jarochowska]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 180195: authorized by Emilia Jarochowska, entered by Emilia Jarochowska on 11.07.2016, edited by Paulina Nätscher
Creative Commons license: CC BY (attribution)
Taxonomic list
| Conodonta | |
|
Trichonodella inconstans Ziegler 1960 conodont
Trichonodella symmetrica Rhodes 1953 conodont | |
|
Acodus unicostatus conodont | |
"Paltodus fragilis" = Decoriconus fragilis
"Paltodus fragilis" = Decoriconus fragilis Branson and Mehl 1933 conodont | |
"Neoprioniodus multiformis" = Idioprioniodus, "? Neoprioniodus latidentatus" = Idioprioniodus
"Neoprioniodus multiformis" = Idioprioniodus conodont
"? Neoprioniodus latidentatus" = Idioprioniodus conodont | |
|
Lonchodina greilingi Walliser 1957 conodont
Synprioniodina bicurvata Branson and Mehl 1933 conodont | |
"Ligonodina silurica" = Oulodus siluricus, "Ligonodina "sp. A"" = Oulodus, "Ligonodina "new B"" = Oulodus, "Ligonodina "new C"" = Oulodus, "Trichonodella excavata" = Oulodus walliseri
"Ligonodina silurica" = Oulodus siluricus Branson and Mehl 1933 conodont
"Ligonodina "sp. A"" = Oulodus Branson and Mehl 1933 conodont
"Ligonodina "new B"" = Oulodus Branson and Mehl 1933 conodont
"Ligonodina "new C"" = Oulodus Branson and Mehl 1933 conodont
"Trichonodella excavata" = Oulodus walliseri Ziegler 1960 conodont | |
|
Kockelella variabilis Walliser 1957 conodont | |
"Ozarkodina fundamentata" = Ozarkodina, Ozarkodina media, "Plectospathodus flexuosus" = Ozarkodina, Plectospathodus extensus, "Hindeodella confluens" = Ozarkodina confluens, Spathognathodus primus, Ozarkodina simplex, Ozarkodina typica
"Ozarkodina fundamentata" = Ozarkodina conodont
Ozarkodina media Walliser 1957 conodont
"Plectospathodus flexuosus" = Ozarkodina conodont
Plectospathodus extensus Rhodes 1953 conodont
"Hindeodella confluens" = Ozarkodina confluens Rhodes 1953 conodont
Spathognathodus primus Branson and Mehl 1933 conodont
Ozarkodina simplex Branson and Mehl 1933 conodont
Ozarkodina typica Branson and Mehl 1933 conodont | |
|
Polygnathoides emarginatus conodont
Polygnathoides siluricus conodont | |
"Neoprioniodus excavatus" = Wurmiella excavata
"Neoprioniodus excavatus" = Wurmiella excavata Branson and Mehl 1933 conodont | |
|
Drepanodus aduncus conodont | |
|
Paltodus multicostatus conodont
Paltodus dyscritus Rexroad 1967 conodont | |
"Distacodus obliquicostatus" = Dapsilodus obliquicostatus, "Acodus inornatus" = Dapsilodus mutatus
"Distacodus obliquicostatus" = Dapsilodus obliquicostatus Branson and Mehl 1933 conodont
"Acodus inornatus" = Dapsilodus mutatus Branson and Mehl 1933 conodont | |
|
Belodella sp. Ethington 1959 conodont
Belodella resima Philip 1965 conodont
"Acodus bicostatus" = Walliserodus bicostatus Branson and Mehl 1933 conodont | |
Panderodus simplex, Panderodus sp., Panderodus unicostatus, Panderodus gracilis, "Panderodus recurvatus" = Panderodus panderi
Panderodus simplex conodont
Panderodus sp. Ethington 1959 conodont
Panderodus unicostatus Branson and Mehl 1933 conodont
Panderodus gracilis Branson and Mehl 1933 conodont
"Panderodus recurvatus" = Panderodus panderi Stauffer 1940 conodont | |
|
Distacodus posterocostatus conodont | |