Also known as Reef 1821
Where: El Paso County, Texas (31.9° N, 106.5° W: paleocoordinates 15.2° S, 87.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: McKelligon Canyon Formation (El Paso Group), Arenig (478.6 - 466.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; lithified limestone
Size class: macrofossils
Primary reference: D. F. Toomey and M. H. Nitecki. 1979. Organic buildups in the Lower Ordovician (Canadian) of Texas and Oklahoma. Fieldiana Geology 2:1-181 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 80082: authorized by Wolfgang Kiessling, entered by Uta Merkel on 02.04.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Nuia | |
Demospongiae | |
Archaeoscyphia annulata Rigby 1973 demosponge | |
Radiocyatha | |
Calathium sp. Billings 1865 | |
Cephalopoda | |
Cephalopoda indet. Cuvier 1797 | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Rhynchonellata | |
Oligorthis arbucklensis Ulrich and Cooper 1936 | |
Trilobita | |
Trilobita indet. Walch 1771 trilobite | |
Conodonta | |
Conodonta indet. conodont | |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Hormogoneae | |
Girvanella sp. Nicholson and Etheridge 1878 |