Where: Illinois (43.0° N, 88.0° W)
• Paleocoordinates: 26.4° S, 85.2° W (Wright 2013)
• coordinate estimated from map
• basin-level geographic resolution
When: Wenlock to Wenlock (432.9 - 422.7 Ma)
• Portions of Joliet Fm., Sugar Run Fm., lower-middle Racine Fm., and Wabash Fm.
Environment/lithology: deep subtidal; dolomitic, shelly/skeletal, argillaceous wackestone and dolomitic, shelly/skeletal, argillaceous lime mudstone
Collection methods: I have included taxa from table 45.45 as well as others mentioned in text.
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 26816: authorized by Michael Foote, entered by Michael Foote on 04.11.2002
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Pterobranchia | |
Monograptidae indet. Lapworth 1873 graptolite | |
Dendroidea indet. Nicholson 1872 graptolite | |
Stylophora | |
? Mitrata indet. Jaekel 1918 "A possible mitrate was briefly seen (Witzke) in a private collection from the type locality."
| |
Blastoidea | |
Blastoidea indet. Say 1825 blastoid | |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Pycnosaccus sp. Sea lily | |
Lecanocrinus sp. Sea lily
"Mysticocrinus" sp. Sea lily | |
Gissocrinus sp. Angelin 1878 Sea lily | |
Thalamocrinus sp. Miller and Gurley 1895 Sea lily | |
? Zophocrinus sp. Miller 1891 Sea lily | |
Myelodactylus sp. Hall 1852 Sea lily | |
Parapisocrinus sp. Mu 1954 Sea lily
Pisocrinus sp. de Koninck 1858 Sea lily | |
Lampterocrinus inflatus Sea lily
Siphonocrinus nobilis Sea lily | |
Hapalocrinidae indet. Jaekel 1895 Sea lily | |
Hirneacrinidae indet. Frest and Strimple 1977 Sea lily | |
Rhombifera | |
Caryocrinites sp. Say 1825 | |
Artiopoda | |
"Sthenarocalymene celebra" = Calymene celebra
"Sthenarocalymene celebra" = Calymene celebra Raymond 1916 trilobite | |
Encrinuridae indet. Angelin 1854 trilobite | |
Cheiruridae indet. Hawle and Corda 1847 trilobite
Sphaerexochus roemingeri trilobite | |
Dalmanites sp. Barrande 1852 trilobite | |
Lecathylus | |
Lecathylus sp. Weller 1925 The genus is variably spelled "Lecthyalus" and "Lecthaylus" in this reference, but the correct form is "Lecathylus" according to Treatise on Invertebrate Paleontology, volume W.
| |
Bryozoa | |
| |
Stenolaemata | |
Fenestellidae indet. King 1850 | |
Chileata | |
"Dictyonella sp." = Eodictyonella
"Dictyonella sp." = Eodictyonella Wright 1994 | |
Rhynchonellata | |
Eospirifer sp. Schuchert 1913
Striispirifer sp. Cooper and Muir-Wood 1951
Hedeina sp. Boucot 1957
Cyrtia sp. Dalman 1828 | |
Atrypa "reticularis" Linnaeus 1758
Plectatrypa sp. Schuchert and Cooper 1930 | |
| |
Camerella sp. Billings 1859 | |
Anastrophia sp. Hall 1867 | |
Skenidioides sp. Schuchert and Cooper 1931 | |
Rhynchotreta sp. Hall 1879 | |
Dalejina sp. Havlicek 1953 | |
Isorthis sp. Kozlowski 1929
Resserella sp. Bancroft 1928 | |
Dicoelosia sp. King 1850 | |
"Platystrophia biforata" = Platystrophia biforatus
"Platystrophia biforata" = Platystrophia biforatus Schlotheim 1820 | |
Meristina sp. Hall 1867 | |
Strophomenata | |
Eoplectodonta sp. Kozlowski 1929 | |
Leangella sp. Opik 1933 | |
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda Hall 1852 | |
Leptaena sp. Dalman 1828 | |
Cephalopoda | |
Nautiloidea indet. Agassiz 1847 nautiloid | |
Rostroconchia | |
Conocardiidae indet. Miller 1889 | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Heteractinida | |
Astraeospongium sp. Roemer 1860 | |
Anthozoa | |
Tabulata indet. tabulate coral | |
Auloporidae indet. Milne-Edwards and Haime 1850 tabulate coral | |
Rugosa indet. horn coral | |
Zaphrentidae indet. Milne-Edwards and Haime 1850 horn coral |