Racine Fm, SE Wisconsin, Ives Quarry - Patzkowsky (Silurian to of the United States)
Where: Wisconsin (42.7° N, 87.8° W: paleocoordinates 25.4° S, 49.4° W)
• coordinate based on nearby landmark
When: Racine Formation, Wenlock to Wenlock (433.4 - 427.4 Ma)
Environment/lithology: reef, buildup or bioherm; lithified wackestone
• The major features of reefs in the Racine Formation include mound-like shapes, massive appearance, abundant fossils, and inclined flank beds. Carbonate mud and smaller bioclasts within reef deposits have been altered to a mosaic of dolomite crystals.
Size class: macrofossils
Primary reference: R. Watkins. 1993. The Silurian (Wenlockian) reef fauna of Southeastern Wisconsin. Palaios 8:325-338 [M. Patzkowsky/Z. Krug]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 13075: authorized by Mark Patzkowsky, entered by Zack Krug on 18.01.2002, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
unclassified | |
"Receptaculitid" sp. 1, "Receptaculitid" sp. 2, stromatoporoids sp., "Favositid" sp. 1, "Favositid" sp. 2, "Heliolitid" sp. 1, "Heliolitid" sp. 2, "Halysitid" sp. 1, "Halysitid" sp. 2, Coolina subplana, "Bellerophontacean" indet., "Eotomarid" indet., "Nuculid" indet., "Cornulitid" indet., Arctunurus sp., "Calymenid" indet., Gomophocystites glans, Ichyocrinus subangularis
| |
Trilobita | |
Ceratocephala goniata Warder 1838 trilobite | |
Dalmanites platycaudatus trilobite | |
Cheirurus niagarensis Hall 1868 trilobite
Sphaerexochus romingeri Hall 1868 trilobite | |
Dicranopeltis sp. Hawle and Corda 1847 trilobite | |
Bumastus armatus trilobite
Bumastus ioxus Hall 1868 trilobite | |
Kosovopeltis acamas trilobite | |
Rhynchonellata | |
Plectatrypa sp. Schuchert and Cooper 1930
Atrypa sp. Dalman 1828 | |
"Whitfieldia sp." = Meristella (Whitfieldia), Meristina sp.
"Whitfieldia sp." = Meristella (Whitfieldia) Davidson 1881
Meristina sp. Hall 1867 | |
Stegerhynchus sp. Foerste 1909 | |
Rhynchotreta sp. Hall 1879 | |
Striispirifer sp. Cooper and Muir-Wood 1951
Eospirifer radiatus Sowerby 1834
Janius nobilis Barrande 1848 | |
Howellella sp. Kozlowski 1946 | |
Dolerorthis sp. Schuchert and Cooper 1931 | |
Platystrophia sp. King 1850 | |
Resserella canalis Sowerby 1839 | |
Dicoelosia biloba Linnaeus 1758 | |
Dalejina sp. Havlicek 1953 | |
Chileata | |
Dictyonella reticulata Hall 1868 | |
Strophomenata | |
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda Hall 1852 | |
Plectodonta sp. Kozlowski 1929 | |
"Leptaena depressa" = Leptaena (Leptaena) depressa
"Leptaena depressa" = Leptaena (Leptaena) depressa Sowerby 1824 | |
Lingulata | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831
Bryozoa sp. 2 Ehrenberg 1831 | |
Cephalopoda | |
Leurocycloceras raymondi Foerste 1928
Michelinoceras sp. Foerste 1932 | |
? Plagiostomoceras sp. Teichert and Glenister 1952 | |
Sphooceras sp. Flower 1962 | |
Bivalvia | |
Matheria recta clam | |
Actinopteria brisa oyster | |
Rhombopteria sp. Jackson 1890 oyster | |
Mytilarca acutirostra Hall 1865 clam
Amphicoelia leidyi Hall 1865 clam | |
Cypricardinia arata clam | |
Gastropoda | |
Gastropoda idia snail | |
"Tremanotus alpheus" = Tremanotus angustata
"Tremanotus alpheus" = Tremanotus angustata Hall 1852 snail | |
Murchisonia laphami Hall 1860 snail
Murchisonia conradi Hall 1868 snail | |
Fusispira ventricosa Hall 1872 snail | |
"Pleurotomaria occidens" = Phanerotrema occidens
"Pleurotomaria occidens" = Phanerotrema occidens Hall 1867 snail | |
"Pleurotomaria halei" = Prosolarium halei
"Pleurotomaria halei" = Prosolarium halei Hall 1867 snail | |
"Cyclonema elevata" = Strophostylus elevatus, Platyceras sp.
"Cyclonema elevata" = Strophostylus elevatus Hall 1868 snail
Platyceras sp. Conrad 1840 snail | |
"Cyclonema pauper" = Oriostoma pauper
"Cyclonema pauper" = Oriostoma pauper Hall 1867 snail | |
Holopea guelphensis Billings 1865 snail | |
"Straparollus mopsus" = Philoxene mopsus
"Straparollus mopsus" = Philoxene mopsus Hall 1868 snail | |
Rhombifera | |
Caryocrinites sp. Say 1825 | |
Crinoidea | |
Lecanocrinus waukoma Sea lily | |
Crotalocrinites cora Sea lily | |
Marsupiocrinus chagoensis Sea lily | |
Promelocrinus obpramidalis Sea lily | |
Calliocrinus cornutus, Eucalyptocrinites crassus, Eucalyptocrinites nodulosus, Eucalyptocrinites ornatus
Calliocrinus cornutus Sea lily
Eucalyptocrinites crassus Sea lily
Eucalyptocrinites nodulosus Sea lily
Eucalyptocrinites ornatus Sea lily | |
Macrostylocrinus obconicus Sea lily | |
Dimerocrinites occidentalis Sea lily
Dimerocrinites pentangularis Sea lily | |
Siphonocrinus armosus Sea lily
Siphonocrinus nobilis Sea lily
Siphonocrinus "sp. indet." Miller 1888 Sea lily
Lampterocrinus inflatus Sea lily | |
? Lyriocrinus melissa Sea lily | |
Blastoidea | |
Lysocystites nodosus blastoid | |
Stephanocrinus osgoodensis blastoid | |
"Holocystites alternatus" = Holocystites (Holocystites) alternatus, "Holocystites abnormis" = Holocystites (Megacystites) abnormis
"Holocystites alternatus" = Holocystites (Holocystites) alternatus Hall 1861
"Holocystites abnormis" = Holocystites (Megacystites) abnormis Hall 1864 | |
Anthozoa | |
Rugosa sp. 1, Rugosa sp. 2, Rugosa sp. 4, Rugosa sp. 5, Rugosa sp. 7, Rugosa sp. 8, Rugosa sp. 9, Rugosa sp. 10, Rugosa sp. 11
Rugosa sp. 1 horn coral
Rugosa sp. 2 horn coral
Rugosa sp. 4 horn coral
Rugosa sp. 5 horn coral
Rugosa sp. 7 horn coral
Rugosa sp. 8 horn coral
Rugosa sp. 9 horn coral
Rugosa sp. 10 horn coral
Rugosa sp. 11 horn coral | |
Heteractinida | |
Astraeospongium sp. Roemer 1860 |