Second Creek at Alsa Farms - Williamson (Silurian of the United States)
Where: Wayne County, New York (43.2° N, 77.0° W: paleocoordinates 25.5° S, 45.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Williamson Formation (Clinton Group), Telychian (438.5 - 433.4 Ma)
Environment/lithology: marine; lithified, pyritic, gray, green shale
• Dark greenish gray, fissile, pyritic shale. Near base much darker in color with graptolites as the only fossils. In the loweste part pyrite very abundant forming layers sometimes a half inch thick
Primary reference: T. Gillette. 1947. The Clinton of Western and Central New York. New York State Museum Bulletin (341) [L. Ivany/P. Wall]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 81909: authorized by Linda Ivany, entered by Patrick Wall on 18.07.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Pterobranchia | |
|
| |
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Monograptus clintonensis graptolite | |
| Rhynchonellata | |
"Spirifer radiatus" = Eospirifer radiatus, Cyrtia meta
"Spirifer radiatus" = Eospirifer radiatus Sowerby 1834 | |
"Scenidium pyramidalis" = Skenidium
"Scenidium pyramidalis" = Skenidium | |
|
Atrypina disparilis Hall 1852 | |
|
Atrypa reticularis Linnaeus 1758 | |
"Orthis flabellites" = Dolerorthis flabellites
"Orthis flabellites" = Dolerorthis flabellites Foerste 1889 | |
| Strophomenata | |
"Sowerbyella transversalis" = Eoplectodonta (Eoplectodonta) transversalis
"Sowerbyella transversalis" = Eoplectodonta (Eoplectodonta) transversalis Wahlenberg 1818 | |
"Stropheodonta corrugata" = Strophodonta corrugata
"Stropheodonta corrugata" = Strophodonta corrugata Conrad 1842 | |
|
Leptaena rhomboidalis Wahlenberg 1818 | |
| Gastropoda | |
"Hormotoma subulata" = Murchisonia subulata
"Hormotoma subulata" = Murchisonia subulata Conrad 1842 snail | |
| Trilobita | |
|
Calymene clintoni trilobite | |
|
Dalmanites limulurus trilobite | |
| Ostracoda | |
|
Beyrichia aff. lakemontensis ostracod
Dibolbina sp. Ulrich and Bassler 1923 ostracod | |
|
Mastigobolbina punctata ostracod
Mastigobolbina typus ostracod | |
| Scyphozoa | |
|
Conularia niagarensis jellyfish | |