Strophomenid fauna of the Sowerbyella-Onniella community, Reedsville and Martins (Ordovician of the United States)

Where: Maryland (39.3° N, 77.7° W)

• Paleocoordinates: 24.2° S, 109.7° W (Wright 2013)

• 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; b/w rhynconellid fauna and dalmanellid-crinoid 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 410: authorized by Jack Sepkoski, entered by Mike Sommers on 03.12.1998, edited by Pete Wagner

Creative Commons license: CC0 (CC0)

Taxonomic list

• "Bretsky 1969, 1970"
Show authors, comments, and common names
Strophomenata
 Strophomenida - Rafinesquinidae
Rafinesquina alternata
 Strophomenida - Sowerbyellidae
"Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea
"Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea Sowerby 1839
Gastropoda
 Murchisoniina - Lophospiridae
Lophospiridae indet.
Lophospiridae indet. Wenz 1938 snail
 Euomphalina - Holopeidae
? Holopea sp.
? Holopea sp. Hall 1847 snail
originally entered as "? Sinuopea sp."