Where: Indiana (39.5° N, 85.7° W: paleocoordinates 27.5° S, 51.7° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Waldron Shale Formation, Wenlock (433.4 - 427.4 Ma)
• "Middle Wenlockian. In Tenn. the equiv. portion of the Waldron Member, Wayne Formation, is mostly in the Kockelella amsdeni Zone." Unit 1 (from bottom) of Frest (1977), which is one of five units within the basal 1 m of the Waldron.
• group of beds-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; shelly/skeletal, argillaceous wackestone and shelly/skeletal, argillaceous packstone
•2003.04.06: Environmenal call by S. Peters based on field experience with unit
Collection methods: Table 45.36 lists abundances for fauna at Blue Ridge Quarry. I have also included 3 additional taxa mentioned in text but not in this list.
Primary reference: T. J. Frest, C. E. Brett, and B. J. Witzke. 1999. Caradocian-Gedinnian echinoderm associations of Central and Eastern North America. Paleocommunities--a case study from the Silurian and Lower Devonian 638-783 [M. Foote/K. Koverman/P. Wagner]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 26787: authorized by Michael Foote, entered by Michael Foote on 31.10.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Trilobita | |
Otarion sp. Zenker 1833 trilobite | |
Trimerus delphinocephalus trilobite | |
Calymene niagarensis Hall 1843 trilobite | |
Dalmanites spp. Barrande 1852 trilobite | |
Deuteropoda | |
Ostracoda indet. Latreille 1802 ostracod | |
Sedentaria | |
Spirorbis sp. Daudin 1800 | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Chileata | |
Dictyonella reticulata Hall 1868 | |
Rhynchonellata | |
Eospirifer radiatus Sowerby 1834 | |
Howellella "crispa" Hisinger 1827 | |
Homoeospira evax Hall 1863 | |
Atrypina disparilis Hall 1852 | |
Atrypa "reticularis" Linnaeus 1758 | |
Dicoelosia sp. King 1850 | |
Isorthis sp. Kozlowski 1929
Resserella "elegantula" Dalman 1828 | |
Dalejina hybrida Sowerby 1839 | |
Strophomenata | |
Leptaena rhomboidalis Wahlenberg 1818 | |
Strophonella (Strophonella) semifasciata Hall 1863 | |
"Coolinia subplana" = Fardenia (Coolinia)
"Coolinia subplana" = Fardenia (Coolinia) | |
Gastropoda | |
Strophostylus cyclostomus, "Naticonema niagarense" = Platyostoma niagarensis
Strophostylus cyclostomus Hall 1864 snail
"Naticonema niagarense" = Platyostoma niagarensis Hall 1852 snail | |
Cephalopoda | |
Nautiloidea indet. Agassiz 1847 nautiloid | |
Cyclocystoidea | |
Sievertsia sp. Smith and Paul 1982 | |
Crinoidea | |
Manicrinus hybocriniformis Sea lily | |
Cupulocrinus gemmiformis Sea lily | |
Icthyocrinus subangularis Sea lily | |
Lecanocrinus pusillus Sea lily | |
Botryocrinus polyxo Sea lily
Botryocrinus nucleus Sea lily | |
Eohalysiocrinus stigmatus Sea lily | |
Lyriocrinus melissa Sea lily | |
Dimerocrinites occidentalis Sea lily
Dimerocrinites carleyi Sea lily | |
Lobomelocrinus obconicus Sea lily | |
Eucalyptocrinites crassus Sea lily
Eucalyptocrinites tuberculatus Sea lily | |
Macrostylocrinus striatus Sea lily | |
Blastoidea | |
"Decaschisma pulchellum" = Decaschisma pulchellus
"Decaschisma pulchellum" = Decaschisma pulchellus Miller and Dyer 1878 blastoid | |
Anthozoa | |
Rugosa indet. horn coral | |
Favosites forbesi tabulate coral |