Birmingham, Red Mountain Expressway cut, bioherms (Ordovician of the United States)

Also known as Reef 1810

Where: Jefferson County, Alabama (33.5° N, 86.8° W: paleocoordinates 29.3° S, 68.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Chickamauga Group, Caradoc (458.4 - 449.5 Ma)

• group of beds-level stratigraphic resolution

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

• largest bioherm 6.1 m wide and at least 5.3 m high, bryozoans 47%, calathids 28%, brachiopods 12%

Size class: macrofossils

Primary reference: C. W. Stock and D. J. Benson. 1982. Occurrence and distribution of fossils within and adjacent to Middle Ordovician bioherms in the southern Appalachians of Alabama. Proceedings of the North American Paleontological Convention 3(2):517-524 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 80602: authorized by Wolfgang Kiessling, entered by Uta Merkel on 29.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhodophyceae
  - Solenoporaceae
Solenopora sp. Dybowski 1877
Chlorophyceae
 Dasycladales - Dasycladaceae
Dasycladaceae indet. Kutzing 1843
 Dasycladales - Seletonellaceae
Dasyporella sp. Stolley 1893
Ulvophyceae
  -
Vermiporella sp. Stolley 1893
unclassified
  -
Porifera indet. Grant 1836
Stromatoporoidea
 Labechiida - Labechiidae
? Labechiella sp. Yabe and Sugiyama 1930 stromatoporoid sponge
 Labechiida - Rosenellidae
Pachystylostroma sp. Nestor 1964 stromatoporoid sponge
Demospongiae
 Sigmatosclerophorida - Dystactospongiidae
Dystactospongia sp. Miller 1882 demosponge
Anthozoa
 Sarcinulida - Billingsariidae
Foerstephyllum sp. Bassler 1950 tabulate coral
unclassified
  -
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Stenolaemata
 Trepostomida - Amplexoporidae
 Trepostomata - Trematoporidae
Batostoma sp. Ulrich 1882
 Trepostomata - Halloporidae
Diplotrypa sp. Nicholson 1879
 Cystoporata - Ceramoporidae
Crepipora sp. Ulrich 1882
Cephalopoda
  -
Cephalopoda indet. Cuvier 1797
Gastropoda
 Murchisoniina - Lophospiridae
Lophospira sp. Whitfield 1886 snail
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella sp. Nicholson and Etheridge 1878