Where: Oklahoma (34.0° N, 97.0° W: paleocoordinates 22.5° S, 73.8° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Mountain Lake Member (Bromide Formation), Blackriveran (457.3 - 449.6 Ma)
• member-level stratigraphic resolution
Environment/lithology: gray sandstone and gray shale
Size class: macrofossils
Primary reference: R. O. Fay and A. A. Graffham. 1982. Biostratigraphic and paleontological studies. Echinoderm faunas from the Bromide Formation (Middle Ordovician) of Oklahoma: Lawrence, Kansas, University of Kansas Paleontological Institute Monograph 11 30-33 [S. Holland/T. Hanson/T. Hanson]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 23893: authorized by Steven Holland, entered by Tori Hanson on 23.07.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Craniata | |
Petrocrania sp. Raymond 1910
Philhedra sp. Koken 1889 | |
Rhynchonellata | |
Skenidioides oklahomensis Cooper 1956 | |
"Protozyga elongata" = Manespira elongata, "Protozyga costata" = Manespira costata, "Protozyga magnicostata" = Manespira magnicostata
"Protozyga elongata" = Manespira elongata Cooper 1956
"Protozyga costata" = Manespira costata Cooper 1956
"Protozyga magnicostata" = Manespira magnicostata Cooper 1956 | |
Strophomenata | |
Sowerbyites lamellosus Cooper 1956 | |
Dactylogonia subaequicostellata, Dactylogonia sculpturata, Oepikina expatiata, Oepikina gregaria, Murinella partita
| |
"Macrocoelia bella" = Colaptomena
"Macrocoelia bella" = Colaptomena | |
Bellimurina compressa Cooper 1956
Bellimurina subquadrata Cooper 1956 | |
Onychoplecia tenuis Cooper 1956 | |
Lingulata | |