Racine Fm, SE Wisconsin, Franklin Quarry - Patzkowsky (Silurian to of the United States)
Where: Wisconsin (42.9° N, 88.0° W: paleocoordinates 25.2° S, 49.5° 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 13104: authorized by Mark Patzkowsky, entered by Zack Krug on 21.01.2002, 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, "Favositid" sp. 3, "Heliolitid" sp. 2, "Alveolitid" indet., "Halysitid" sp. 1, "Halysitid" sp. 2, "Pachyporid" indet., "Syringoporid" indet., "Auloporid" sp. 1, "Acrotretid" indet., Coolina subplana, "stropheodonitid" indet., Parastophinella multiplicata, "Bellerophontacean" indet., "eotamarid" indet., "conocardiid" indet., "Calymenid" indet., Dimerocrinited pentangularis, "pisocrinid" indet.
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Anthozoa | |
Rugosa sp. 2, Rugosa sp. 3, Rugosa sp. 4, Rugosa sp. 6, Rugosa sp. 8, Rugosa sp. 9, Rugosa sp. 12, Rugosa sp. 1
Rugosa sp. 2 horn coral
Rugosa sp. 3 horn coral
Rugosa sp. 4 horn coral
Rugosa sp. 6 horn coral
Rugosa sp. 8 horn coral
Rugosa sp. 9 horn coral
Rugosa sp. 12 horn coral
Rugosa sp. 1 horn coral | |
Cephalopoda | |
Leurocycloceras raymondi Foerste 1928
Michelinoceras sp. Foerste 1932 | |
Amphicyrtoceras sp. 1 Foerste 1924 | |
Gastropoda | |
Gastropoda idia snail
Gastropoda indet. Cuvier 1795 snail | |
Loxonema leda Hall 1868 snail | |
Fusispira ventricosa Hall 1872 snail | |
Murchisonia conradi Hall 1868 snail
Murchisonia laphami Hall 1860 snail | |
Eotomarioidea indet. Wenz 1938 snail | |
"Pleurotomaria halei" = Prosolarium halei
"Pleurotomaria halei" = Prosolarium halei Hall 1867 snail | |
"Pleurotomaria occidens" = Phanerotrema occidens
"Pleurotomaria occidens" = Phanerotrema occidens Hall 1867 snail | |
Bellerophontoidea indet. M'Coy 1851 snail | |
"Tremanotus alpheus" = Tremanotus angustata
"Tremanotus alpheus" = Tremanotus angustata Hall 1852 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 | |
Platyceras sp., "Cyclonema elevata" = Strophostylus elevatus
Platyceras sp. Conrad 1840 snail
"Cyclonema elevata" = Strophostylus elevatus Hall 1868 snail | |
Bivalvia | |
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Matheria recta clam | |
Amphicoelia leidyi Hall 1865 clam
Mytilarca acutirostra Hall 1865 clam | |
Actinopteria brisa oyster | |
Rhombopteria sp. Jackson 1890 oyster | |
"Modiomorphoida indet." = Modiomorphida
"Modiomorphoida indet." = Modiomorphida Newell 1969 clam | |
Cypricardinia arata clam | |
Chileata | |
Dictyonella reticulata Hall 1868 | |
Strophomenata | |
Plectodonta sp. Kozlowski 1929 | |
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda Hall 1852 | |
Leangella sp. Opik 1933 | |
"Leptaena depressa" = Leptaena (Leptaena) depressa
"Leptaena depressa" = Leptaena (Leptaena) depressa Sowerby 1824 | |
Rhynchonellata | |
Stegerhynchus sp. Foerste 1909 | |
Rhynchotreta sp. Hall 1879 | |
Sphaerirhynchia sp. Cooper and Muir-Wood 1951 | |
Dolerorthis sp. Schuchert and Cooper 1931 | |
Platystrophia sp. King 1850 | |
Dicoelosia biloba Linnaeus 1758 | |
Dalejina sp. Havlicek 1953 | |
Resserella canalis Sowerby 1839 | |
Plectatrypa sp. Schuchert and Cooper 1930
Atrypa sp. Dalman 1828 | |
"Apopentamerus racinensis" = Harpidium (Isovella), Capelliniella mira
"Apopentamerus racinensis" = Harpidium (Isovella) | |
Janius nobilis Barrande 1848
Eospirifer radiatus Sowerby 1834
Striispirifer sp. Cooper and Muir-Wood 1951 | |
Howellella sp. Kozlowski 1946 | |
Nucleospira sp. Hall 1859 | |
Meristina sp. Hall 1867
Whitfieldella sp. Hall and Clarke 1893 | |
Craniata | |
Lingulata | |
Orbiculoidea sp. d'Orbigny 1847 | |
Bryozoa | |
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Trilobita | |
Arctinurus sp. Castelnau 1843 trilobite
Dicranopeltis sp. Hawle and Corda 1847 trilobite | |
Kosovopeltis acamas trilobite | |
Bumastus armatus trilobite
Bumastus ioxus Hall 1868 trilobite | |
Proetida indet. Fortey and Owens 1975 trilobite | |
Encrinurus nereus trilobite | |
Cheirurus niagarensis Hall 1868 trilobite | |
Dalmanites platycaudatus trilobite | |
Eophacops handwerki trilobite | |
Crinoidea | |
Periechocrinus infelix Sea lily
Periechocrinus urniformis Sea lily | |
Promelocrinus obpyramidalis Sea lily | |
Eucalyptocrinites crassus Sea lily
Eucalyptocrinites ornatus Sea lily
Calliocrinus cornutus Sea lily | |
Marsupiocrinus chagoensis 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 | |
Lecanocrinus waukoma Sea lily | |
Crotalocrinites cora Sea lily | |
Rhombifera | |
Caryocrinites sp. Say 1825 | |
"Holocystites alternatus" = Holocystites (Holocystites) alternatus
"Holocystites alternatus" = Holocystites (Holocystites) alternatus Hall 1861 | |
Blastoidea | |
Lysocystites nodosus blastoid |