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 3 (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; calcareous mudstone and wackestone
•2003.04.06: Environmenal call by S. Peters based on field experience with unit
Collection methods: Table 45.38 lists abundances for fauna at Blue Ridge Quarry. I have also included a few additional taxa mentioned in text but not listed in table.
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 26789: authorized by Michael Foote, entered by Michael Foote on 31.10.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Crinoidea | |
Lyriocrinus melissa Sea lily | |
Dimerocrinites occidentalis Sea lily
Dimerocrinites carleyi Sea lily | |
Eucalyptocrinites crassus Sea lily
Eucalyptocrinites tuberculatus Sea lily | |
Lobomelocrinus obconicus Sea lily | |
Macrostylocrinus striatus Sea lily
Macrostylocrinus fasciatus Sea lily | |
Eohalysiocrinus stigmatus Sea lily | |
Botryocrinus polyxo Sea lily | |
Lecanocrinus pusillus Sea lily | |
Blastoidea | |
Cupulocorona gemmiformis Hall 1872 blastoid | |
"Decaschisma pulchellum" = Decaschisma pulchellus
"Decaschisma pulchellum" = Decaschisma pulchellus Miller and Dyer 1878 blastoid | |
Cyclocystoidea | |
Sievertsia sp. Smith and Paul 1982 | |
Deuteropoda | |
Ostracoda indet. Latreille 1802 ostracod | |
Trilobita | |
Dalmanites spp. Barrande 1852 trilobite | |
Calymene niagarensis Hall 1843 trilobite | |
Otarion niagarensis trilobite
Cyphaspis christyi trilobite | |
Arctinurus sp. Castelnau 1843 trilobite | |
Illaenidae indet. Hawle and Corda 1847 trilobite | |
Lophophorata | |
Brachiopoda | |
Brachiopoda indet. Cuvier 1805 | |
Rhynchonellata | |
Atrypa "reticularis" Linnaeus 1758 | |
Atrypina disparilis Hall 1852 | |
Eospirifer radiatus Sowerby 1834 | |
Howellella "crispa" Hisinger 1827 | |
Rhynchotreta americana Hall 1879 | |
Ptychopleurella sp. Schuchert and Cooper 1931 | |
Dicoelosia sp. King 1850 | |
Resserella "elegantula" Dalman 1828
Isorthis sp. Kozlowski 1929 | |
Coelospira sp. Hall 1863 | |
Whitfieldella nitida Hall 1843
Meristina maria Hall 1863 | |
Merista sp. Suess 1851 | |
Homoeospira evax Hall 1863 | |
Chileata | |
Dictyonella reticulata Hall 1868 | |
Strophomenata | |
"Coolinia subplana" = Fardenia (Coolinia)
"Coolinia subplana" = Fardenia (Coolinia) | |
Leptaena rhomboidalis Wahlenberg 1818 | |
Strophonella (Strophonella) semifasciata Hall 1863 | |
Leangella sp. Opik 1933 | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Loxonema sp. Phillips 1841 snail | |
Strophostylus cyclostomus, "Naticonema niagarense" = Platyostoma niagarensis, "Platyostoma plebium" = Platyostoma plebeium
Strophostylus cyclostomus Hall 1864 snail
"Naticonema niagarense" = Platyostoma niagarensis Hall 1852 snail
"Platyostoma plebium" = Platyostoma plebeium Hall 1876 snail | |
Bivalvia | |
Pterinea brisa oyster | |
Cephalopoda | |
Nautiloidea indet. Agassiz 1847 nautiloid | |
Anthozoa | |
Rugosa indet. horn coral | |
Plasmopora sp. Milne-Edwards and Haime 1849 tabulate coral | |
Favosites forbesi tabulate coral
Favosites spinigerus tabulate coral | |
unclassified | |
Porifera indet. Grant 1836 | |
Hexactinellida | |
Vaurealispongia minuta n. sp.
Vaurealispongia minuta n. sp. Rigby et al. 1979 glass sponge | |
Demospongiae | |
Astylospongia praemorsa Goldfuss 1826 demosponge |