Unap Mountain, Wichita Mountains, upper mound interval (Ordovician of the United States)

Also known as Reef 1825

Where: Kiowa County, Oklahoma (34.9° N, 98.7° W: paleocoordinates 20.1° S, 81.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kindblade Formation (Arbuckle Group), Arenig (478.6 - 466.0 Ma)

• upper mound horizon, 500 ft above the base of the formation

• group of beds-level stratigraphic resolution

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

• algal-sponge mounds

Size class: macrofossils

Primary reference: D. F. Toomey and M. H. Nitecki. 1979. Organic buildups in the Lower Ordovician (Canadian) of Texas and Oklahoma. Fieldiana Geology 2:1-181 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 80094: authorized by Wolfgang Kiessling, entered by Uta Merkel on 03.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Renalcis
  - Chabakoviacea
Renalcis sp. Vologdin 1932
Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella sp. Nicholson and Etheridge 1878
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
Cephalopoda
  -
Cephalopoda indet. Cuvier 1797
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
 Murchisoniina - Hormotomidae
Hormotoma sp. Salter 1859 snail
Rhynchonellata
 Orthida - Finkelnburgiidae
Finkelnburgia sp. Walcott 1905
Stenolaemata
 Cystoporata - Ceramoporidae
Conodonta
  -
 Pulchrilaminida - Pulchrilaminidae
Demospongiae
 Lithistida - Anthaspidellidae
Archaeoscyphia annulata Rigby 1973 demosponge
Radiocyatha
  - Soanitidae
Calathium sp. Billings 1865
Epiphyton
  - Ludloviaceae
Epiphyton sp. Bornemann 1886