Nolichucky Fm (Cambrian of the United States)

Where: Washington County, Virginia (36.8° N, 82.3° W: paleocoordinates 29.6° S, 85.0° W)

• coordinate stated in text

• local area-level geographic resolution

When: Nolichucky Formation, Steptoean (497.0 - 493.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; ooidal, gray, argillaceous, conglomeratic shale and limestone

• gray-green, silty, fissile shale; blue-gray, argillaceous, very thin to med bedded limestone with some limestone pebble conglomerate; northern area oolitic limestone.

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 6960: authorized by John Alroy, entered by Mike Sommers on 14.04.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
cf. Grenevievella sp., Marvillia bristolensis
Cystoidea
  -
Cystoidea indet.
Cystoidea indet. von Buch 1846
plates
Lingulata
 Lingulida - Obolidae
Dicellomus appalachia
Dicellomus appalachia Walcott 1905
Trilobita
 Olenida - Aphelaspidae
Aphelaspis ? quadrata
 Olenida - Asaphiscidae
Blountiella ? buttsi
 Asaphida - Asaphidae
"Coosia calanus" = Asaphiscus calanus
"Coosia calanus" = Asaphiscus calanus Walcott 1916 trilobite
 Ptychopariida - Norwoodiidae
Norwoodella saffordi
 Ptychopariida - Crepicephalidae
Crepicephalus rectus, ? Coosia alethes
? Coosia alethes Walcott 1916 trilobite
 Ptychopariida - Tricrepicephalidae
Tricrepicephalus cedarensis, Tricrepicephalus simplex