Station V114. Valcour Island, Crown Point 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: Crown Point Formation (Chazy Group), Chazy (466.0 - 457.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; black limestone

• heavy-bedded, pure black limestone

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 172321: authorized by Björn Kröger, entered by Björn Kröger on 03.08.2015, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Illaenidae
Thaleops ovata Conrad 1843 trilobite
 Phacopida - Pterygometopidae
"Pterygometopus annulatus" = Calyptaulax annulata
"Pterygometopus annulatus" = Calyptaulax annulata Raymond 1905 trilobite
 Phacopida - Cheiruridae
 Phacopida - Pliomeridae
Pliomerops canadensis Billings 1859 trilobite
 Harpida - Harpetidae
"Eoharpes ottawaensis" = Hibbertia valcourensis
"Eoharpes ottawaensis" = Hibbertia valcourensis Shaw 1968 trilobite
 Proetida - Bathyuridae
"Bathyurellus minor" = Uromystrum minor
"Bathyurellus minor" = Uromystrum minor Raymond 1905 trilobite
 Asaphida - Asaphidae
Isotelus harrisi Raymond 1905 trilobite
"Asaphus marginalis" = Basilicus (Basiliella) whittingtoni Shaw 1968 trilobite
 Asaphida - Remopleurididae
Remopleurides canadensis Billings 1865 trilobite
 Asaphida - Raphiophoridae
Lonchodomas chaziensis2 Shaw 1968 trilobite
see Shaw (1968, p. 34)
 Lichida - Lichidae
Amphilichas minganensis Billings 1865 trilobite
Ostracoda
 Palaeocopida -
Schmidtella crassimarginata Ulrich 1890 ostracod
Eurychilina latimarginata Raymond 1905 ostracod
 Leperditicopida - Leperditiidae
"Isochilina labrosa" = Leperditia (Isochilina) ostracod
Leperditia canadensis Jones 1858 ostracod
Leperditia limatula Raymond 1905 ostracod
Strophomenata
 Orthotetida - Triplesiidae
"Camerella longirostris" = Onychoplecia longirostris
"Camerella longirostris" = Onychoplecia longirostris Billings 1859
 Strophomenida - Rafinesquinidae
Rafinesquina alternata, "Rafinesquina champlainensis" = Macrocoelia champlainensis
"Rafinesquina champlainensis" = Macrocoelia champlainensis Raymond 1902
Rhynchonellata
 Pentamerida - Camerellidae
Camerella ventricosa1 Cooper 1956
 Orthida - Plaesiomyidae
"Plaesiomys platys" = Multicostella platys, "Plaesiomys strophomenoides" = Valcourea strophomenoides
"Plaesiomys platys" = Multicostella platys Billings 1859
"Plaesiomys strophomenoides" = Valcourea strophomenoides Raymond 1905
Bivalvia
 Cyrtodontida - Cyrtodontidae
Vanuxemia limbata Raymond 1905 clam
Cyrtodonta scala Raymond 1906 clam
 Myalinida - Ambonychiidae
"Clionychia marginalis" = Cleionychia marginalis, "Ambonychia curvata" = Ambonychiopsis curvata
"Clionychia marginalis" = Cleionychia marginalis Raymond 1905 clam
"Ambonychia curvata" = Ambonychiopsis curvata Raymond 1905 clam
 Mytilida - Modiolopsidae
Whiteavsia expansa Raymond 1906 clam
 Modiomorphida - Modiomorphidae
"Endodesma undatum" = Cymatonota, Endodesma tranceps
"Endodesma undatum" = Cymatonota clam
Endodesma tranceps Raymond 1916 clam
 Protobranchia - Ctenodontidae
Ctenodonta bidorsata Raymond 1906 clam
Ctenodonta peracuta Raymond 1905 clam
Ctenodonta dubiaformis Raymond 1905 clam
 Protobranchia - Nuculanidae
Clidophorus obscurus Raymond 1905 pointed nut clam
Gastropoda
 Euomphalina - Holopeidae
Holopea scrutator Raymond 1905 snail
Raphistomina undulata Raymond 1906 snail
 Euomphalina - Lesueurillidae
Eccyliopterus kalmi Raymond 1906 snail
 Euomphalina - Raphistomatidae
Raphistoma stamineum Hall 1847 snail
 Bellerophontida - Bucaniidae
Bucania sulcatina Emmons 1842 snail
 Murchisoniina - Straparollinidae
"Trochonema hudsoni" = Straparollina hudsoni
"Trochonema hudsoni" = Straparollina hudsoni Raymond 1905 snail
 Murchisoniina - Trochonematidae
Trochonema dispar Raymond 1905 snail
 Murchisoniina - Lophospiridae
Lophospira perangulata, "Lophospira subabbreviata" = Lophospira rectistriata
Lophospira perangulata Hall 1847 snail
"Lophospira subabbreviata" = Lophospira rectistriata Raymond 1908 snail
 Murchisoniina - Hormotomidae
"Hormotoma infrequens" = Hormotoma simplex
"Hormotoma infrequens" = Hormotoma simplex Wilson 1932 snail
 Murchisoniina - Subulitidae
Subulites prolongata Raymond 1905 snail
Tergomya
 Archinacellida - Archinacellidae