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.
| |
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 | |
Trilobita | |
Eophacops handwerki trilobite | |
Dalmanites platycaudatus trilobite | |
Cheirurus niagarensis Hall 1868 trilobite | |
Encrinurus nereus trilobite | |
Bumastus armatus trilobite
Bumastus ioxus Hall 1868 trilobite | |
Kosovopeltis acamas trilobite | |
Proetida indet. Fortey and Owens 1975 trilobite | |
Arctinurus sp. Castelnau 1843 trilobite
Dicranopeltis sp. Hawle and Corda 1847 trilobite | |
Lingulata | |
Orbiculoidea sp. d'Orbigny 1847 | |
Craniata | |
Strophomenata | |
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda Hall 1852 | |
Leangella sp. Opik 1933 | |
Plectodonta sp. Kozlowski 1929 | |
"Leptaena depressa" = Leptaena (Leptaena) depressa
"Leptaena depressa" = Leptaena (Leptaena) depressa Sowerby 1824 | |
Chileata | |
Dictyonella reticulata Hall 1868 | |
Rhynchonellata | |
Eospirifer radiatus Sowerby 1834
Janius nobilis Barrande 1848
Striispirifer sp. Cooper and Muir-Wood 1951 | |
Howellella sp. Kozlowski 1946 | |
Nucleospira sp. Hall 1859 | |
Whitfieldella sp. Hall and Clarke 1893
Meristina sp. Hall 1867 | |
Sphaerirhynchia sp. Cooper and Muir-Wood 1951 | |
Stegerhynchus sp. Foerste 1909 | |
Rhynchotreta sp. Hall 1879 | |
"Apopentamerus racinensis" = Harpidium (Isovella), Capelliniella mira
"Apopentamerus racinensis" = Harpidium (Isovella) | |
Dicoelosia biloba Linnaeus 1758 | |
Resserella canalis Sowerby 1839 | |
Dalejina sp. Havlicek 1953 | |
Platystrophia sp. King 1850 | |
Dolerorthis sp. Schuchert and Cooper 1931 | |
Atrypa sp. Dalman 1828
Plectatrypa sp. Schuchert and Cooper 1930 | |
Bryozoa | |
| |
Bivalvia | |
| |
Actinopteria brisa oyster | |
Rhombopteria sp. Jackson 1890 oyster | |
Mytilarca acutirostra Hall 1865 clam
Amphicoelia leidyi Hall 1865 clam | |
Matheria recta clam | |
"Modiomorphoida indet." = Modiomorphida
"Modiomorphoida indet." = Modiomorphida Newell 1969 clam | |
Cypricardinia arata clam | |
Gastropoda | |
Gastropoda idia snail
Gastropoda indet. Cuvier 1795 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 | |
"Straparollus mopsus" = Philoxene mopsus
"Straparollus mopsus" = Philoxene mopsus Hall 1868 snail | |
Holopea guelphensis Billings 1865 snail | |
Bellerophontoidea indet. M'Coy 1851 snail | |
"Tremanotus alpheus" = Tremanotus angustata
"Tremanotus alpheus" = Tremanotus angustata Hall 1852 snail | |
Loxonema leda Hall 1868 snail | |
Murchisonia laphami Hall 1860 snail
Murchisonia conradi Hall 1868 snail | |
Fusispira ventricosa Hall 1872 snail | |
Eotomarioidea indet. Wenz 1938 snail | |
"Pleurotomaria occidens" = Phanerotrema occidens
"Pleurotomaria occidens" = Phanerotrema occidens Hall 1867 snail | |
"Pleurotomaria halei" = Prosolarium halei
"Pleurotomaria halei" = Prosolarium halei Hall 1867 snail | |
Cephalopoda | |
Amphicyrtoceras sp. 1 Foerste 1924 | |
Leurocycloceras raymondi Foerste 1928
Michelinoceras sp. Foerste 1932 | |
"Holocystites alternatus" = Holocystites (Holocystites) alternatus
"Holocystites alternatus" = Holocystites (Holocystites) alternatus Hall 1861 | |
Crinoidea | |
Crotalocrinites cora Sea lily | |
Lecanocrinus waukoma Sea lily | |
Promelocrinus obpyramidalis Sea lily | |
Calliocrinus cornutus Sea lily
Eucalyptocrinites crassus Sea lily
Eucalyptocrinites ornatus Sea lily | |
Marsupiocrinus chagoensis Sea lily | |
Periechocrinus infelix Sea lily
Periechocrinus urniformis 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 | |
Rhombifera | |
Caryocrinites sp. Say 1825 | |
Blastoidea | |
Lysocystites nodosus blastoid |