Hume Loc. 06. SE Lot 4 con. II, Dymond (Ordovician of Canada)

Where: Ontario, Canada (47.5° N, 79.7° W: paleocoordinates 22.2° S, 53.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Climacograptus americanus graptolite zone, Farr Formation, Chatfieldian (460.9 - 449.5 Ma)

• Farr overlies Bucke. Base is laterally correlated to Verulam. The top correlates laterally approximately to the middle Lindsay.

• formation-level stratigraphic resolution

Environment/lithology: limestone

• Thick bedded limestone

Size class: macrofossils

Primary reference: G. S. Hume. 1925. The Palaeozoic Outlier of Lake Timiskaming, Ontario and Quebec. Geological Survey of Canada Memoir 145(2056):1-126 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 185268: authorized by Pete Wagner, entered by Pete Wagner on 17.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

• Cystostroma fritzae recognized by Galloway and St. Jean, 1961; Ollerenshaw and Macqueen, 1960.
Strophomenata
 Strophomenida - Plectambonitidae
 Strophomenida - Rafinesquinidae
 Strophomenida - Strophomenidae
Strophomena filitexta Hall 1847
Strophomena incurvata
"Rafinesquina minnesotensis" = Oepikina minnesotensis Winchell 1881
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
"Rhynchotrema minnesotense" = Rostricellula minnesotensis
"Rhynchotrema minnesotense" = Rostricellula minnesotensis Sardeson 1892
 Orthida - Plaesiomyidae
Dinorthis meedsi Winchell and Schuchert 1892
 Orthida - Hesperorthidae
"Orthis tricenaria" = Hesperorthis tricenaria
"Orthis tricenaria" = Hesperorthis tricenaria Conrad 1843
Craniata
 Craniida - Craniidae
Gastropoda
 Trochonematoidea - Trochonematidae
"Trochonema umbilicatum" = Trochonema umbilicata
"Trochonema umbilicatum" = Trochonema umbilicata Hall 1847 snail
 Euomphalina - Macluritidae
Maclurina manitobensis Whiteaves 1890 snail
"Maclurina cuneata" = Maclurites cuneata Whitfield 1878 snail
 Murchisoniina - Eotomariidae
Liospira progne Billings 1860 snail
Liospira angustata Ulrich and Scofield 1897 snail
 Murchisoniina - Loxonematidae
"Hormotoma trentonensis" = Omospira trentonensis
"Hormotoma trentonensis" = Omospira trentonensis Ulrich and Scofield 1897 snail
 Murchisoniina - Subulitidae
Fusispira nobilis Ulrich and Scofield 1897 snail
Fusispira convexa Ulrich and Scofield 1897 snail
Cephalopoda
 Orthocerida - Orthoceratidae
 Orthocerida - Geisonoceratidae
"Orthoceras amplicameratum" = Ordogeisonoceras amplicameratum
"Orthoceras amplicameratum" = Ordogeisonoceras amplicameratum Hall 1847
  -
Anthozoa
 Heliolitida - Plasmoporidae
Plasmopora lambii tabulate coral
 Stauriida - Streptelasmatidae
"Streptelasma angulatum" = Deiracorallium angulatum Billings 1862 horn coral
Streptelasma corniculum Hall 1847 horn coral
 Stauriida - Columnariidae
Chlorophyceae
  - Receptaculitidae
"Receptaculites oweni" = Fisherites reticulatus
"Receptaculites oweni" = Fisherites reticulatus Owen 1844
 Cyrtocerinida - Cyrtocerinidae