A39. South end of Valcour Island, Cystid Point, Valcour Fm. (Ordovician of the United States)
Where: Clinton County, New York (44.6° N, 73.4° W: paleocoordinates 28.1° S, 54.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Valcour Formation (Chazy Group), Chazyan (470.0 - 457.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; nodular, blue limestone and fine-grained shale
• Impure nodular limestone with a great quantity of fine shale.
Size classes: macrofossils, mesofossils
Primary reference: P. E. Raymond. 1906. The Chazy Formation and its fauna. Annals of the Carnegie Museum 3(4):498-596 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 172240: authorized by Björn Kröger, entered by Björn Kröger on 31.07.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Paracrinoidea | |
"Malocystites emmonsi" = Canadocystis emmonsi
"Malocystites emmonsi" = Canadocystis emmonsi Hudson 1905 | |
Lingulata | |
"Lingula columba" = Lingulella columba
"Lingula columba" = Lingulella columba Raymond 1905 | |
Strophomenata | |
"Rafinesquina incrassata" = Dactylogonia incrassata
"Rafinesquina incrassata" = Dactylogonia incrassata Hall 1847 | |
Rhynchonellata | |
"Camarotoechia plena" = Rostricellula plena, "Camarotoechia major" = Rostricellula major
"Camarotoechia plena" = Rostricellula plena Hall 1847
"Camarotoechia major" = Rostricellula major Raymond 1905 | |
"Plaesiomys platys" = Multicostella platys
"Plaesiomys platys" = Multicostella platys Billings 1859 | |
"Orthis ignicula" = Hesperorthis ignicula
"Orthis ignicula" = Hesperorthis ignicula Raymond 1905 | |
"Hebertella vulgaris" = Mimella vulgaris
"Hebertella vulgaris" = Mimella vulgaris Raymond 1911 | |
Cephalopoda | |
"Orthoceras tenuiseptum" = Valcouroceras tenuiseptum
"Orthoceras tenuiseptum" = Valcouroceras tenuiseptum Ruedemann 1906 | |
Gastropoda | |
Bucania sulcatina Emmons 1842 snail | |
Raphistoma stamineum Hall 1847 snail | |
Bivalvia | |
"Ambonychia curvata" = Ambonychiopsis curvata, "Clionychia montrealensis" = Cleionychia montrealensis
"Ambonychia curvata" = Ambonychiopsis curvata Raymond 1905 clam
"Clionychia montrealensis" = Cleionychia montrealensis Billings 1859 clam | |
Ostracoda | |
Eurychilina latimarginata Raymond 1905 ostracod | |
Leperditia canadensis Jones 1858 ostracod | |
Trilobita | |
Thaleops ovata, "Illaenus globosus" = Stenopareia globosus
Thaleops ovata Conrad 1843 trilobite
"Illaenus globosus" = Stenopareia globosus Billings 1859 trilobite | |
Pliomerops canadensis Billings 1859 trilobite | |
"Eoharpes ottawaensis" = Hibbertia valcourensis
"Eoharpes ottawaensis" = Hibbertia valcourensis Shaw 1968 trilobite | |
Isotelus harrisi Raymond 1905 trilobite | |
Scyphozoa | |
Conularia triangulata Raymond 1905 jellyfish |