Also known as Marathon Uplift, Woods Hollow Fm., Tremadoc?, Texas
Where: Texas (30.0° N, 103.3° W: paleocoordinates 16.5° S, 92.4° W)
• coordinate based on political unit
When: Upper Member (Woods Hollow Boulders Formation), Gasconadian (485.4 - 477.7 Ma)
• possibly not Tremadoc.
Environment/lithology: glauconitic, green limestone
Size class: macrofossils
Primary reference: J.L. Wilson. 1954. Late Cambrian and Early Ordovician Trilobites from the Marathon Uplift, Texas. Journal of Paleontology 28(3):249-285 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 282: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Conodonta | |
Oistodus sp. Pander 1856 conodont | |
Gastropoda | |
"Rhombella ? umbilicata" = Euconia umbilicata
"Rhombella ? umbilicata" = Euconia umbilicata Dake and Bridge 1932 snail | |
Cephalopoda | |
Baltoceratidae indet. Kobayashi 1935 | |
Artiopoda | |
Geragnostus sp. Howell 1935 | |
Pseudagnostus sp. Jaekel 1909 | |
Homagnostus sp. Howell 1935 | |
Trilobita | |
Pseudohystricurus sp. Ross 1951 trilobite | |
Parahystricurus sp. Ross 1951 trilobite | |
"Platycolpus sp." = Rasettia
"Platycolpus sp." = Rasettia Lochman 1953 trilobite | |
Parabolinella sp. Brögger 1882 trilobite |