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SILURIAN FOSSILS FROM KENTUCKY, INDIANA & SURROUNDING STATES
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Sponges (Porifera)
Astraeospongia meniscus (Roemer)- Bob Formation, Decatur Co., TN
Unidentified Stromatoporoid, highly conical colony, Middle Silurian, Louisville Limestone, Oldham Co., KY
Corals (Cnidaria)Alveolites fibrous Davis - Middle Silurian, Louisville Limestone, Oldham Co., KY
Arachnophyllum pentagonum Goldfuss - Middle Silurian, Louisville Limestone, Beargrass Creek, Jefferson Co.., KY - Peabody Museum of Natural History collection
Arachnophyllum striatum (d'Orbigny) - Middle Silurian, Niagara Group, Clark Co.., IN - Peabody Museum of Natural History collection
Astrocerium venustum Hall, Middle Silurian, Louisville Limestone, Oldham Co., KY
Coenites menis (Davis) Middle Silurian, Louisville Limestone, Oldham Co., KY
Coenites reticulata (Hall) Middle Silurian, Louisville Limestone, Oldham Co., KY
Coenites reticulata (Hall) also referred to as Cladopora reticulata, Middle Silurian, Louisville Limestone, Jefferson Co., KY
Favosites cristatus Davis - Middle Silurian, Louisville Limestone, Oldham Co., KY
Favosites niagarensis Hall - Middle Silurian, Louisville Limestone, Oldham Co., KY
Halysites catenularia (Linnaeus) - Middle Silurian, Louisville Limestone, KY - Peabody Museum of Natural History collection
Halysites louisvillensis Stumm - Louisville Limestone, Louisville, Jefferson Co., KY
Halysites sp. Middle Silurian, Louisville Limestone, Louisville, Jefferson Co., KY (Large colony collected in the 1880s, Falls of the Ohio Park collection)
Heliolites romingeri Stumm - Middle Silurian, Louisville Limestone, Oldham Co., KY
Heliolites subtubulatus (McCoy) colonial coral, Middle Silurian, Louisville Limestone, Oldham Co., KY
Plasmopora follis Edwards & Haime - Louisville Limestone, Jefferson Co., KY
Propora papillata Edwards & Haime - Middle Silurian, Louisville Limestone, Oldham Co., KY
Thecia major Rominger - Middle Silurian, Louisville Limestone, Oldham Co., KY
Thecia minor Rominger - Middle Silurian, Niagaran Loc., Beargrass Creek, Louisville, Jefferson Co., KY - Peabody Museum of Natural History collection
Bryozoans (moss animals)Pyrite-encrusted fenestrate bryozoans, Middle Silurian, Waldron Shale, Jeffersonville, Clark Co., IN, Falls of the Ohio State Park Collection
BrachiopodsEospirifer radiata (Hall), Middle Silurian, Waldron Shale, Jeffersonville, Clark Co., IN - Falls of the Ohio State Park collection
Fardenia subplana (Hall), Middle Silurian, Waldron Shale, Jeffersonville, Clark Co., IN
Lingulid, inarticulate, Waldron Shale, Clark Co., IN
Meristella maria (Hall), Middle Silurian, Waldron Shale, Jeffersonville, Clark Co., IN - Falls of the Ohio State Park collection
Pentamerus sp. Silurian, KY
Stegerhynchus sp., mass mortality with Eospirifer eudora (Hall) at the bottom, Middle Silurian, Waldron Shale, Jeffersonville, Clark Co., IN, Falls of the Ohio State Park Collection
Whitfieldella nitida (Hall), Middle Silurian, Waldron Shale, Jeffersonville, Clark Co., IN - Falls of the Ohio State Park collection
Trilobites (Arthropoda)Arctinurus occidentalis (Hall), pygidium, Waldron Shale, Clark Co., IN
Bumastus sp., pygidia, Middle Silurian, Laurel Formation, Bardstown, Nelson Co., KY
Calymene breviceps Hall, Waldron Shale, Decatur Co., IN
Calymene breviceps Hall, Waldron Shale, Hartsville, Bartholomew Co., IN
Dalmanites sp. imprint of partial pygidium and thorax, Louisville Limestone, Jefferson County, KY
Harpidella "Cyphaspis" christyi, Waldron Shale, Hartsville, Bartholomew Co., IN
Sthenarocalymene celebra (Raymond) Middle Silurian, Springfield Formation, Wayne Co., IN
Sthenarcalymene celebra, (Raymond) Laurel Dolomite, Metamora, Franklin Co., IN
Trimerus delphinocephalus, (Green), Middle Silurian, Waldron Shale, Clark Co., IN
Trimurus delphinocephalus (Green), cephalon, Silurian, Waldron Shale, Clark Co., IN
Trimurus delphinocephalus, (Green), thorax/pygidium, Middle Silurian, Waldron Shale, Clark Co., IN
Snails (Gastropods/Mollusca)Platyceras (Platystoma) niagarense (Hall), Middle Silurian, Waldron Shale, Oldham Co., KY
Clams (Pelecypods/Mollusca)Cypricardina arata (Hall), Middle Silurian, Louisville Limestone, Oldham Co., KY
Pterinea brissa Hall, Middle Silurian, Waldron Shale, Jeffersonville, Clark Co., IN - Falls of the Ohio State Park collection
Cephalopods (Mollusca)Cyrtocone cephalopod, Middle Silurian, Waldron Shale, Jeffersonville, Clark Co., IN
Dawsonceras amycus (Hall) - Jeffersonville, Clark Co., IN
Dawsonceras annulatus (Sowerby) - Louisville, Jefferson Co., KY
Crinoids and Blastoids(Echinodermata)Caryocrinites omatus (Say) Louisville Limestone, Utica, Clark Co., IN
Eucalyptocrinites type crinoid holdfast on Astrocerium venustum Hall, Middle Silurian, Louisville Limestone, Oldham Co., KY
Eucalyptocrinites crassus calyx, Waldron Shale, St. Paul, Decatur Co., IN
Eucalyptocrinites ovalis calyx, Middle Silurian, Louisville Limestone, Jefferson Co., KY
Eucalyptocrinites-type Crinoid holdfast, Waldron Shale, St. Paul, Shelby Co., IN
Lyriocrinus melissa (Hall) - Middle Silurian, Waldron Shale, Clark Co., IN; Falls of the Ohio State Park collection
Myelodactylus sp. a coiled crinoid (calyx in the center, not exposed), Middle Silurian, Waldron Shale, Clark Co., IN
Troosticrinus reinwardti (Troost) - Brownsport Group, Decatur Co., TN
Unidentified Crinoid holdfast, Waldron Shale, St. Paul, Shelby Co., IN
Other
Graptolite Dictyonema sp. - Middle Silurian, Waldron Shale, Clark Co., IN
A Note About Fossil Names
Fossils are named like any other biological species. The genus and trivial name (i.e., Auloceras + undulata) equals the species name. The author's last name is in parenthesis (Billings) if the genus name has been changed. It is not in parenthesis if the genus name is the original designation, such as Favosites niagarensis Hall. A subgenus will be noted like this: Favosites (Emmonsia) emmonsi Rominger. In this example the subgenus is Emmonsia. It was originally designated its own genus name, but recent research has folded it back into the genus Favosites. If the species name is not known, you will see an "sp." after the genus name (i.e., Cyclonema sp.). Names of fossils often seem to be in a state of flux, but that is the nature of research. We strive to place the most up-to-date names we can find with photos on our web site.Abbreviations
Some abbreviations are used to make the entries smaller. They are Co. for County, KY for Kentucky, IN for Indiana, OH for Ohio, and TN for Tennessee.
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Last Updated: 06/16/2009 - Fossil drawings © Michael Popp, 2009