Moccasin formation (overview) (Ordovician of the United States)

Where: Washington County, Virginia (36.8° N, 82.3° W: paleocoordinates 30.2° S, 67.6° W)

• coordinate stated in text

• local area-level geographic resolution

When: Moccasin Formation, Middle Ordovician (470.0 - 458.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, shelly/skeletal, gray, red, argillaceous limestone

• maroon and mottled maroon to light gray thin bedded argillaceous limestone; sparsely fossiliferous.

Primary reference: C. S., J.r. Bartlett and H. W. Webb. 1971. Geology of the Bristol and Wallace quadrangles, Virginia. Virginia Division of Mineral Resources Report of Investigations 25:1-93 [J. Alroy/M. Sommers/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 6992: authorized by John Alroy, entered by Mike Sommers on 18.04.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Echinodermata indet.
Echinodermata indet. Klein 1754
echinoderm columnals
Strophomenata
 Strophomenida - Sowerbyellidae
Sowerbyella sp.
Sowerbyella sp. Jones 1928
 Strophomenida - Strophomenidae
Strophomena ? incurvata
 Strophomenida - Rafinesquinidae
Rafinesquina sp.
Rafinesquina sp. Hall and Clarke 1892
Rhynchonellata
 Atrypida - Anazygidae
Zygospira sp.
Zygospira sp. Hall 1862
 Rhynchonellida - Trigonirhynchiidae
"Camarotoechia ? plena" = Rostricellula plena
"Camarotoechia ? plena" = Rostricellula plena Hall 1847
 Orthida - Dalmanellidae
Dalmanella sp.
Dalmanella sp. Hall and Clarke 1892
Stenolaemata
 Cryptostomata - Rhinidictyidae
? Rhinidictya sp.
? Rhinidictya sp. Ulrich 1882
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod