Where: Manitoba, Canada (50.1° N, 96.7° W: paleocoordinates 12.3° S, 58.8° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Selkirk Member (Red River Formation), Maysvillian (450.2 - 449.6 Ma)
• member-level stratigraphic resolution
Environment/lithology: lithified, dolomitic limestone
Size class: macrofossils
Preservation: original calcite
Reposited in the GSC, YPM
Primary reference: J. Jin and R. Zhan. 2000. Evolution of the Late Ordovician orthid brachiopod Gnamptorhynchos Jin, 1989 from Platystrophia King, 1850, in North America. Journal of Paleontology 74(6):983-991 [S. Holland/S. Holland/S. Holland]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 34813: authorized by Steven Holland, entered by Steven Holland on 30.09.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Chlorophyceae | |
Receptaculites sp. Defrance 1827
Fisherites sp. Finney and Nitecki 1979 | |
Cephalopoda | |
Lambeoceras sp. Foerste 1917 | |
Armenoceras sp. Foerste 1924 | |
Orthoceras sp. Breynius 1832 | |
Narthecoceras sp. Hyatt 1895 | |
Cyclendoceras sp. Grabau and Shimer 1910 | |
Diestoceras sp. Foerste 1924 | |
Wilsonoceras sp. Foerste 1929 | |
Gastropoda | |
Maclurites sp. Le Sueur 1818 snail | |
Ectomaria sp. Koken 1896 snail | |
Loxonema sp. Phillips 1841 snail | |
Hormotoma sp. Salter 1859 snail | |
Rhynchonellata | |
Parastrophinella sp. n. sp.
Parastrophinella sp. n. sp. Schuchert and Cooper 1931 | |
Glyptorthis sp. Foerste 1914 | |
Dinorthis occidentalis Okulitch 1943
Plaesiomys sp. Hall and Clarke 1892 | |
Hesperorthis sp. Schuchert and Cooper 1931 | |
Gnamptorhynchos manitobensis n. sp. Jin and Zhan 2000
Platystrophia sp. King 1850 | |
Diceromyonia storeya Okulitch 1943 | |
Strophomenata | |
"Strophomena fluctuosa" = Nasutimena fluctuosa, ""Strophomena" undulosa" = Nasutimena undulosa, Tetraphalerella planodorsata, Tetraphalerella churchillensis, Strophomena vetusta
"Strophomena fluctuosa" = Nasutimena fluctuosa Billings 1860
""Strophomena" undulosa" = Nasutimena undulosa Roy 1941
Tetraphalerella planodorsata Winchell and Schuchert 1892
Tetraphalerella churchillensis Jin et al. 1997
Strophomena vetusta James 1874 | |
Kjaerina hartae Jin et al. 1995 | |
Oepikina lata Whiteaves 1896
Megamyonia nitens Billings 1860 | |
"Thaerodonta clarksvillensis" = Eochonetes clarksvillensis
"Thaerodonta clarksvillensis" = Eochonetes clarksvillensis Foerste 1912 | |
Anthozoa | |
Grewingkia sp. Dybowski 1873 horn coral
Lobocorallium sp. Nelson 1963 horn coral | |
Palaeophyllum sp. Billings 1858 horn coral | |
Protrochiscolithus sp. Troedsson 1928 tabulate coral | |
Manipora sp. Sinclair 1955 tabulate coral | |
Saffordophyllum sp. Bassler 1950 tabulate coral | |
Calapoecia sp. Billings 1865 tabulate coral | |
Stromatoporoidea | |
"Beatricea sp." = Aulacera
"Beatricea sp." = Aulacera Plummer 1843 stromatoporoid sponge | |
Cystostroma sp. Galloway and St Jean 1957 stromatoporoid sponge | |
Demospongiae | |
Chaetetes sp. Fischer von Waldheim 1829 demosponge | |
Trypanites sp. Mägdefrau 1932
Thalassinoides sp. Ehrenberg 1944 |