Austinville reefs (Cambrian of the United States)

Also known as Reef 1771

Where: Wythe County, Virginia (36.9° N, 80.9° W: paleocoordinates 30.0° S, 96.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Austinville Member (Shady Dolomite Formation), Botomian (516.0 - 512.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified bafflestone and lithified floatstone

• 30 m thick and 3.5 km wide stromatactoid mud-mound complex. Individual mounds are 1-30 m thick and many are laterally extensive biostromes. Archaeocyath bafflestones/floatstones interfinger with stromatactis-rich mudstones.

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: M. A. S. McMenamin, F. Debrenne, and A. Y. Zhuravlev. 2000. Early Cambrian Appalachian archaeocyaths: further age constraints from the fauna of New Jersey and Virginia, USA. Geobios 33(6):693-708 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 81076: authorized by Wolfgang Kiessling, entered by Uta Merkel on 03.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Porifera indet.
Porifera indet. Grant 1836
Archaeocyatha
 Ajacicyathida -
Ajacicyathida indet.
Ajacicyathida indet. Bedford and Bedford 1939 archaeocyath sponge
 Ajacicyathida - Ethmophyllidae
Ethmophyllum whitneyi
Ethmophyllum whitneyi Meek 1868 archaeocyath sponge
 Archaeocyathida - Archaeocyathidae
Archaeocyathus resseri
Archaeocyathus resseri archaeocyath sponge
 Archaeocyathida - Archaeosyconidae
Archaeosycon balsami n. sp.
Archaeosycon balsami n. sp. McMenamin et al. 2000 archaeocyath sponge
Labyrinthus
  -
Labyrinthus sp.
Labyrinthus sp. Kobluk 1979
Coeloscleritophora
 Chancelloriida -
Chancelloriida indet.
Chancelloriida indet. Walcott 1920
Trilobita
  -
Trilobita indet.
Trilobita indet. Walch 1771 trilobite
unclassified
  -
Echinodermata indet.