Fincastle, thrombolitic mounds (Ordovician of the United States)

Also known as Reef 2632

Where: Botetourt County, Virginia (37.5° N, 79.9° W: paleocoordinates 31.7° S, 73.5° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Canadian (485.4 - 457.3 Ma)

• middle Chepultepec/Stonehenge Formation, Lower Canadian

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• high-energy, shallow subtidal settings
• grainy thrombolites

Size class: macrofossils

Primary reference: J. A. Bova and J. F. Read. 1987. Incipiently drowned facies within a cyclic peritidal ramp sequence, Early Ordovician Chepultepec interval, Virginia Appalachians. Geological Society America Bulletin 98:714-727 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 80573: authorized by Wolfgang Kiessling, entered by Uta Merkel on 28.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Nuia
  -
Nuia sp. Maslov 1954
Anthozoa
 Lichenariida - Lichenariidae
Lichenaria sp. Winchell and Schuchert 1895 tabulate coral
unclassified
  -
Porifera indet. Grant 1836
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Cephalopoda
 Nautiloidea -
Nautiloidea indet. Agassiz 1847 nautiloid
Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella sp. Nicholson and Etheridge 1878