Horn Plateau fauna, Horn Plateau Fm. (Devonian of Canada)

Where: Northwest Territories, Canada (62.3° N, 119.3° W: paleocoordinates 7.6° S, 36.9° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Horn Plateau Formation, Givetian (387.7 - 382.7 Ma)

Environment/lithology: reef, buildup or bioherm; poorly lithified limestone

• "light to med brown, loosely cemented bioclastic ls rich in brachs, grading upward into more resistant thick bedded fine to coarse grained pale brown ls rich in corals. shallow, open marine, reeflike environment. BA3"

Size class: macrofossils

Primary reference: J. P. A. Nobel and R. D. Ferguson. 1971. Facies and Faunal Relations at Edge of Early Mid-Devonian Carbonate Shelf South Nahanni River Area, NWT. Bulletin of Canadian Petroleum Geology 19(3):570-588 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 626: authorized by Arnold Miller, entered by Mike Sommers on 06.04.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "D.J. McLaren and A.W. Norris, 1964. Fauna of the Dev Horn Plateau Fm., Dist of MacKenzie. Geol Surv. Can. Bull. 114, 74pp."
 Productida -
 Productida - Chonetidae
 Orthotetida - Schuchertellidae
Schuchertella sp. Girty 1904
 Strophomenida - Douvillinidae
Cymostrophia sp. Caster 1939
 Strophomenida - Rafinesquinidae
? Leptagonia sp.
originally entered as "? Leptagonia sp."
 Strophomenida - Strophodontidae
? Pholidostrophia sp. Hall and Clarke 1892
originally entered as "? Pholidostrophia sp."
 Pentamerida -
Pentamerida indet. Schuchert and Cooper 1931
large pentamerid
 Pentamerida - Gypidulidae
Gypidula sp. Hall 1867
? Sieberella sp. Oehlert 1887
originally entered as "? Sieberella sp."
 Pentamerida - Clorindidae
Pentamerella sp.
2 species
 Atrypida - Atrypidae
Spinatrypa sp. Stainbrook 1951
 Orthida - Schizophoriidae
Schizophoria sp. King 1850
 Bellerophontida -
? Bellerophontida indet. Ulrich and Scofield 1897 snail
planispiral gastropod - originally entered as "? Bellerophontida indet."
 Styliolinida - Styliolinidae
Styliolina sp. Karpinsky 1884
 Fenestrata -
Fenestrata indet. Astrova and Morozova 1956
fenestellid-like bryozoan
 Favositida - Favositidae
Favosites sp. Lamarck 1816 tabulate coral
 Cystiphyllida - Cystiphyllidae
Cystiphylloides sp. Chapman 1893 horn coral
 Cystiphyllida - Digonophyllidae
Atelophyllum sp. Wedekind 1925 horn coral
Lekanophyllum sp. Wedekind 1923 horn coral
 Rugosa - Chonophyllidae
Sinospongophyllum sp. Yoh 1937 horn coral
 Stauriida - Ptenophyllidae
Australophyllum sp. Stumm 1949 horn coral
"Neostringophyllum sp." = Acanthophyllum (Neostringophyllum) Wedekind 1922 horn coral
Grypophyllum sp. Wedekind 1922 horn coral
 Stauriida - Stringophyllidae
Stringophyllum sp. Wedekind 1922 horn coral
 Stauriida - Amplexidae
Siphonophrentis sp. O'Connell 1914 horn coral
 Stauriida - Disphyllidae
Disphyllum sp. Fromentel 1861 horn coral
 Stauriida - Zaphrentidae
Heliophyllum sp. Hall 1846 horn coral
 Stauriida - Eridophyllidae
Cylindrophyllum sp. Simpson 1900 horn coral
 Stauriida - Cyathophyllidae
Cyathophyllum sp. Goldfuss 1826 horn coral