Also known as Reef 3169
Where: Waukesha County County, Wisconsin (43.0° N, 88.4° W: paleocoordinates 23.5° S, 51.2° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Racine Formation, Wenlock (433.4 - 427.4 Ma)
• Lower-middle Racine Formation, probably mid-Wenlockian.
Environment/lithology: reef, buildup or bioherm; lithified dolomite and lithified, dolomitic lime mudstone
Preservation: replaced with dolomite
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 13353: authorized by Michael Foote, entered by Kimberly Koverman on 04.03.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Chlorophyceae | |
Ischadites sp. Eichwald 1861 | |
Anthozoa | |
Neozaphrentis racinensis horn coral | |
Zaphrentidae indet. Milne-Edwards and Haime 1850 horn coral | |
Cystiphyllum niagarense horn coral | |
Halysites sp. von Waldheim 1813 tabulate coral | |
Heliolites sp. Dana 1846 tabulate coral | |
Favosites sp. Lamarck 1816 tabulate coral | |
Alveolites sp. Lamarck 1801 tabulate coral | |
Cephalopoda | |
Nautiloidea indet. Agassiz 1847 nautiloid | |
Gastropoda | |
? Trochonema sp. Salter 1859 snail | |
Platyceras sp. Conrad 1840 snail | |
Bivalvia | |
Cyrtodonta sp. Billings 1858 clam | |
"Plethomytilus sp." = Mytilarca
"Plethomytilus sp." = Mytilarca Hall and Whitfield 1869 clam | |
Leptodesma sp. Hall 1883 oyster | |
Strophomenata | |
"Coolinia sp." = Fardenia (Coolinia)
"Coolinia sp." = Fardenia (Coolinia) Bancroft 1949 | |
Eoplectodonta sp. Kozlowski 1929 | |
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda Hall 1852 | |
Leptaena rhomboidalis Wahlenberg 1818 | |
Rhynchonellata | |
| |
Rhynchotreta sp. Hall 1879 | |
Uncinulidae indet. Rzonsnitzkaja 1956 | |
Orthidae indet. Woodward 1852 | |
Dolerorthis sp. Schuchert and Cooper 1931 | |
"Platystrophia biforata" = Platystrophia biforatus
"Platystrophia biforata" = Platystrophia biforatus Schlotheim 1820 | |
Resserella sp. Bancroft 1928 | |
Plectatrypa sp. Schuchert and Cooper 1930 | |
Gypidulidae sp. Schuchert and Le Vene 1929 | |
"Apopentamerus sp." = Harpidium (Isovella)
"Apopentamerus sp." = Harpidium (Isovella) Breyvel and Breyvel 1970 | |
Hedeina sp. Boucot 1957
Eospirifer sp. Schuchert 1913 | |
Stenolaemata | |
Fenestellidae indet. King 1850 | |
Trilobita | |
Bumastus sp. Murchison 1839 trilobite | |
Sphaerexochus romingeri Hall 1868 trilobite | |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Periechocrinus sp. Morris 1843 Sea lily | |
Macrostylocrinus cf. striatus Sea lily
Macrostylocrinus cf. obconicus Sea lily
Macrostylocrinus cf. semiradiatus Sea lily | |
Eucalyptocrinites cf. ornatus, Eucalyptocrinites depressus, Calliocrinus cf. longispinus, Calliocrinus cornutus
Eucalyptocrinites cf. ornatus Sea lily
Eucalyptocrinites depressus Sea lily
Calliocrinus cf. longispinus Sea lily
Calliocrinus cornutus Sea lily | |
Siphonocrinus nobilis Sea lily
Lampterocrinus inflatus Sea lily | |
Dimerocrinites cf. pentangularis Sea lily
Dimerocrinites sp. Phillips 1839 Sea lily | |
Lecanocrinus waucoma Sea lily | |
Crotalocrinites cora Sea lily | |
| |
Myelodactylus sp. Hall 1852 Sea lily | |
Rhombifera | |
Caryocrinites sp. Say 1825 | |
Holocystites spp. Hall 1864 | |
Blastoidea | |
Lysocystites nodosus blastoid |