Alcoa Highway, reef flank (Ordovician of the United States)

Also known as Reef 2463

Where: Knox County, Tennessee (35.9° N, 84.0° W: paleocoordinates 29.2° S, 64.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Holston Formation, Caradoc (458.4 - 449.5 Ma)

• Early-Middle Caradocian, 8 m below the top of the formation

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified grainstone

• pelmatozoan debris and bryozoans

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: K. R. Walker and K. F. Ferrigno. 1973. Major Middle Ordovician reef tract in East Tennessee. American Journal of Science 273:294-325 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 80106: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
"pachydictids"
Stenolaemata
 Trepostomata - Aisenvergiidae
Eridotrypa sp. Ulrich 1893
 Trepostomata - Batostomellidae
Bythopora sp. Miller and Dyer 1878
 Trepostomata - Dittoporidae
Hemiphragma sp. Ulrich 1893
 Trepostomata - Halloporidae
Diplotrypa sp. Nicholson 1879
 Trepostomata - Trematoporidae
Batostoma sp. Ulrich 1882
 Trepostomida -
Calopora sp. Hall 1851
 Trepostomida - Amplexoporidae
 Trepostomida -
Nicholsonella sp. Ulrich 1890
 Trepostomida - Monticuliporidae
Mesotrypa sp. Ulrich 1893
 Cryptostomata -
 Cryptostomata - Rhinidictyidae
Stictopora sp. Hall 1847
 Cryptostomata - Escharoporidae
Graptodictya sp. Ulrich 1882
 Cryptostomata - Ptilodictyidae
Stictoporella sp. Ulrich 1882
 Cryptostomata - Arthrostylidae
Helopora sp. Hall 1851
 Rhabdomesida - Rhabdomesidae