Martineau Quarry, Mile End, Montreal. Middle Beds (Ordovician of Canada)

Where: Quebec, Canada (45.5° N, 73.6° W: paleocoordinates 26.1° S, 50.8° W)

• coordinate based on political unit

When: Phragmodus undatus conodont zone, Chaumont Formation (Ottawa Group), Turinian (457.3 - 453.8 Ma)

• Middle Beds

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size classes: macrofossils, mesofossils

Primary reference: V. J. Okulitch. 1935. Fauna of the Black River group in the vicinity of Montreal. Canadian Field Naturalist 49:96-107 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174157: authorized by Pete Wagner, entered by Pete Wagner on 31.10.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

• This collection was originally a concatenation of collections d290, d368c, d289, d368d, d291, d295, d368e from R.J.Ross Jr. 1970. Ord. brachiopods, trilobites and strat. in eastern and central Nevada. USGS Prof Paper 639 p1-103. As those were entered separately elsewhere, I rewrote this collection completely. PJW.
Show authors, comments, and common names
Strophomenata
 Strophomenida - Strophomenidae
"Rafinesquina clara" = Opikina clara
"Rafinesquina clara" = Opikina clara Okulitch 1935
 Strophomenida - Rafinesquinidae
Rafinesquina alternata
Rhynchonellata
 Atrypida - Anazygidae
"Zygospira recurvirostris" = Anazyga recurvirostra
"Zygospira recurvirostris" = Anazyga recurvirostra Hall 1847
 Rhynchonellida - Rhynchotrematidae
Rhynchotrema increbescens
 Orthida - Draboviidae
"Pianodema sinuata" = Pionodema, "Pianodema subaequata" = Pionodema subaequata
"Pianodema sinuata" = Pionodema
Okulitch
"Pianodema subaequata" = Pionodema subaequata Conrad 1843
Pianodema subaequata gibbosa Billings
Cephalopoda
 Oncocerida - Oncoceratidae
"Zitteloceras sp." = Zittelloceras, ? Richardsonoceras sp.
"Zitteloceras sp." = Zittelloceras Hyatt 1884
? Richardsonoceras sp. Foerste 1932
Gastropoda
 Bellerophontida - Bucaniidae
Phragmolites triangularis
Phragmolites triangularis Ulrich and Scofield 1897 snail
 Murchisoniina - Hormotomidae
Hormotoma gracilis, Hormotoma subangulata, Hormotoma wilsoni
Hormotoma gracilis Hall 1847 snail
Hormotoma subangulata Ulrich and Scofield 1897 snail
Hormotoma wilsoni Okulitch 1935 snail
 Murchisoniina - Lophospiridae
Eunema centralis, Lophospira perangulata
Eunema centralis Ulrich and Scofield 1897 snail
Lophospira perangulata Hall 1847 snail
 Murchisoniina - Eotomariidae
Liospira peneplana
Liospira peneplana Okulitch 1935 snail
 Euomphalina - Macluritidae
"Maclurites logani" = Maclurina logani
"Maclurites logani" = Maclurina logani Salter 1852 snail
Bivalvia
 Solemyida - Ctenodontidae
"Ctenodonta abrupta" = Tancrediopsis abrupta
"Ctenodonta abrupta" = Tancrediopsis abrupta Billings 1865 clam
Trilobita
 Corynexochida - Illaenidae
Illaenus martineauensis n. sp.
Illaenus martineauensis n. sp. trilobite
 Phacopida - Encrinuridae
"Encrinurus vigilans" = Erratencrinurus vigilans
"Encrinurus vigilans" = Erratencrinurus vigilans Hall 1847 trilobite
 Asaphida - Asaphidae
Isotelus ? gigas
Isotelus ? gigas Dekay 1824 trilobite
Anthozoa
 Stauriida - Lambelasmatidae
"Streptelasma profundum" = Lambeophyllum profundum
"Streptelasma profundum" = Lambeophyllum profundum Conrad 1843 horn coral
 Stauriida - Streptelasmatidae
Streptelasma corniculum
Streptelasma corniculum Hall 1847 horn coral
 Stauriida - Columnariidae
Columnaria halli
Columnaria halli horn coral
Nicholson
Stromatoporoidea
 Labechiida - Stromatoceriidae
Stromatocerium sp.
Stromatocerium sp. Hall 1847 stromatoporoid sponge
Demospongiae
 Hadromerida - Suberitidae
Chaetetes sp.
Chaetetes sp. Fischer von Waldheim 1829 demosponge
Florideophyceae
  -
"Tetradium fibratum" = Prismostylus fibratum
"Tetradium fibratum" = Prismostylus fibratum Safford 1856
Tetradium
  -
Tetradium cellulosum, Tetradium ? clarki, Tetradium racemosum