Also known as Center of SW¼ NE¼ of sec. 9 T28N R30W, McGrath C-4 Quadrangle, west-central Alaksa
Where: Alaska (62.5° N, 154.8° W: paleocoordinates 62.5° N, 154.8° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Lone Mountain Limestone Member (Telsitna Formation), Richmond (449.5 - 445.6 Ma)
• Panderodus cf. P. gracilis & Drepanoistodus suberectus conodonts. Equated with upper Cincinnatian in the text. Note that Lone Mountain is an informal name
• group of beds-level stratigraphic resolution
Environment/lithology: limestone
Size classes: macrofossils, microfossils
Preservation: replaced with silica
Reposited in the USNM
Primary reference: D. M. Rohr and R. B. Blodgett. 1985. Upper Ordovician Gastropoda from west-central Alaska. Journal of Paleontology 59(3):667-673 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 49341: authorized by Pete Wagner, entered by Pete Wagner on 13.04.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
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Anthozoa | |
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Syringoporinus sp. Sokolov 1955 tabulate coral | |
Catenipora sp. Lamarck 1816 tabulate coral
Tollina sp. Sokolov 1949 tabulate coral | |
Paleofavosites sp. Twenhofel 1914 tabulate coral
Mesofavosites sp. Sokolov 1951 tabulate coral | |
Gastropoda | |
Trochonemella churkini n. sp. Rohr and Blodgett 1985 snail
Trochonema (Trochonema) aff. retrorsum Ulrich and Scofield 1897 snail | |
Ectomaria cf. prisca, Gyronema sp., "Trochonema (Eunema) "sp. A"" = Eunema, "Trochonema (Eunema) "sp. B"" = Eunema, "Loxoplocus (Lophospira) cf. perangulata" = Lophospira perangulata
Ectomaria cf. prisca Billings 1859 snail
Gyronema sp. Ulrich and Scofield 1897 snail
"Trochonema (Eunema) "sp. A"" = Eunema Salter 1859 snail
"Trochonema (Eunema) "sp. B"" = Eunema Salter 1859 snail
"Loxoplocus (Lophospira) cf. perangulata" = Lophospira perangulata Hall 1847 snail | |
? Pseudocryptaenia majewskwi n. sp. Rohr and Blodgett 1985 snail
Paraliospira aff. planata Rohr 1980 snail | |
"Alaskadiscus donensis n. gen. n. sp." = Alaskodiscus donensis1
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Oriostoma cf. angulatum Wahlenberg 1821 snail | |
Pachystrophia cf. devexa d'Eichwald 1859 snail | |
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Pseudophorus cf. profundus Lindström 1884 snail | |
Maclurites sp. Le Sueur 1818 snail | |
Conodonta | |
Panderodus cf. gracllis conodont
Belodina sp. Ethington 1959 conodont | |
? Ozarkodina sp. Branson and Mehl 1933 conodont | |
Drepanoistodus suberectus Branson and Mehl 1933 conodont |