Dalmanellid-crinoid fauna of the Sowerbyella-Onniella community, Reedsville (Ordovician of the United States)
Where: Maryland (39.3° N, 77.7° W: paleocoordinates 29.2° S, 55.3° W)
• coordinate based on political unit
• basin-level geographic resolution
When: Late/Upper Ordovician (458.4 - 443.8 Ma)
• "U. Ord. Reedsville and Martinsburg Fms."
Environment/lithology: transition zone or lower shoreface; siltstone
• "muddy silt. outer infralittoral; deeper than strophomenid fauna. geosyncline, highland to E"
Size class: macrofossils
Primary reference: P. W. Bretsky. 1970. Upper Ordovician Ecology of the Central Appalachians. Bulletin of the Peabody Museum of Natural History 34:1-150 [M. Uhen/J. Ju/M. Uhen]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 411: authorized by Jack Sepkoski, entered by Mike Sommers on 03.12.1998, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
• "Bretsky 1969, 1970"
Show authors, comments, and common names
| Crinoidea | |
|
| |
| Trilobita | |
|
Isotelus sp. Dekay 1824 trilobite | |
|
Cryptolithus sp. Green 1832 trilobite | |
|
Flexicalymene sp. Shirley 1936 trilobite | |
| Stenolaemata | |
|
Hallopora sp. Bassler 1911 | |
| Rhynchonellata | |
"Onniella multisecta" = Cincinnetina multisecta
"Onniella multisecta" = Cincinnetina multisecta James 1871 | |
|
Zygospira modesta Hall 1847 | |
| Strophomenata | |
"Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea
| |
| Bivalvia | |
|
Praenucula lavata clam | |
|
| |
"Ambonychia radiata" = Byssonychia radiata
"Ambonychia radiata" = Byssonychia radiata Hall 1847 clam | |
|
Lyrodesma poststriatum Emmons 1842 clam | |
| Gastropoda | |
|
| |