Grand Ligne quarries, Chazy Group (Ordovician of Canada)

Where: Quebec, Canada (45.2° N, 73.1° W: paleocoordinates 27.8° S, 54.2° W)

• coordinate estimated from map

When: Chazy Group, Chazyan (470.0 - 457.3 Ma)

Environment/lithology: marine; lithology not reported

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 172350: authorized by Björn Kröger, entered by Björn Kröger on 05.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
 Parablastoidea - Blastocystidae
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
"Camarotoechia plena" = Rostricellula plena
"Camarotoechia plena" = Rostricellula plena Hall 1847
 Rhynchonellida - Sphenotretidae
"Zygospira acutirostris" = Sphenotreta acutirostris
"Zygospira acutirostris" = Sphenotreta acutirostris Hall 1847
 Orthida - Dalmanellidae
Dalmanella perveta
"This must be a species of Hebertella", comment Raymond (1906)
 Orthida - Plaesiomyidae
"Plaesiomys platys" = Multicostella platys
"Plaesiomys platys" = Multicostella platys Billings 1859
 Orthida - Hesperorthidae
"Clitambonites porcia" = Ptychopleurella porcia
"Clitambonites porcia" = Ptychopleurella porcia Billings 1859
 Orthida - Plectorthidae
"Hebertella borealis" = Mimella borealis
"Hebertella borealis" = Mimella borealis Billings 1859
Stenolaemata
 Cryptostomata - Ptilodictyidae
"Stictopora cf. glomerata" = Phaenoporella glomerata
"Stictopora cf. glomerata" = Phaenoporella glomerata Hall 1847
Cephalopoda
 Pseudorthocerida - Spyroceratidae
"Orthoceras bilineatum" = Spyroceras bilineatum
"Orthoceras bilineatum" = Spyroceras bilineatum Hall 1847
 Endocerida - Endoceratidae
Gastropoda
 Euomphalina - Raphistomatidae
Raphistoma stamineum Hall 1847 snail
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia canadensis Jones 1858 ostracod
Trilobita
 Corynexochida - Illaenidae
Illaenus bayfieldi Billings 1859 trilobite
Thaleops ovata Conrad 1843 trilobite
"Illaenus globosus" = Stenopareia globosus Billings 1859 trilobite
 Proetida - Bathyuridae
"Bathyurus spiniger" = Bathyurus (Raymondites) spiniger
"Bathyurus spiniger" = Bathyurus (Raymondites) spiniger Hall 1847 trilobite