Horn Plateau Reef, N.W.T., Canada (Devonian of Canada)

Also known as Reef 2020

Where: Northwest Territories, Canada (62.2° N, 117.8° W: paleocoordinates 8.6° S, 36.6° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Horn Plateau Formation, Early/Lower Givetian (388.1 - 383.7 Ma)

• Most likely early Givetian

• member-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks

• 120 m thick, 600 wide conical reef structure

Size class: macrofossils

Collection methods: core, surface (in situ), peel or thin section,

• Data from surface and subsurface combined. Extension of collection 626

Primary reference: L. K. Vopni and J. F. Lerbekmo. 1972. Sedimentology and ecology of the Horn Plateau Formation: A Middle Devonian coral reef, Northwest Territories, Canada. Geologische Rundschau 61:626-646 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 34871: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.10.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Proetida - Proetidae
Dechenella sp. Kayser 1880 trilobite
Ostracoda indet. Latreille 1802 ostracod
Conocardium sp. Bronn 1835
 Ostreida - Pterineidae
Leptodesma sp. Hall 1883 oyster
 Euomphalina - Euomphalidae
Mastigospira sp. La Rocque 1949 snail
Straparollus sp. de Montfort 1810 snail
 Euomphalina - Platyceratidae
Platyceras sp. Conrad 1840 snail
 Euomphalina - Raphistomatidae
? Ceratopea sp. Ulrich 1911 snail
 Fenestrata -
Fenestrata indet. Astrova and Morozova 1956
Crinoidea indet. Miller 1821 Sea lily
 Lophophorata -
Tentaculitida indet. Ljaschenko 1955
 Terebratulida - Cranaenidae
? Cranaena sp. Hall and Clarke 1893
 Spiriferida - Ambocoeliidae
 Atrypida - Atrypidae
 Rhynchonellida - Camarotoechiidae
Camarotoechia sp. Hall and Clarke 1893
 Auloporida - Syringoporidae
Syringopora sp. Goldfuss 1826 tabulate coral
 Favositida - Favositidae
Favosites sp. Lamarck 1816 tabulate coral
 Favositida - Pachyporidae
Thamnopora limitaris tabulate coral
 Favositida - Alveolitidae
Alveolites sp. Lamarck 1801 tabulate coral
 Cystiphyllida - Cystiphyllidae
Cystiphylloides sp. Chapman 1893 horn coral
 Cystiphyllida - Digonophyllidae
Atelophyllum sp. Wedekind 1925 horn coral
 Rugosa - Chonophyllidae
Sinospongophyllum sp. Yoh 1937 horn coral
 Stauriida - Ptenophyllidae
Australophyllum sp. Stumm 1949 horn coral
 Stauriida - Stringophyllidae
Stringophyllum sp. Wedekind 1922 horn coral
 Stauriida - Disphyllidae
Hexagonaria sp. G├╝rich 1896 horn coral
Utaratuia sp. Crickmay 1960 horn coral
Disphyllum sp. Fromentel 1861 horn coral
 Stauriida - Cyathophyllidae
Cyathophyllum sp. Goldfuss 1826 horn coral
 Chaetetida - Chaetetidae
Chaetetes sp. Fischer von Waldheim 1829 demosponge
 Stromatoporida - Stromatoporidae
Stromatopora sp. Goldfuss 1826
 Syringostromatida - Stachyoditidae
Stachyodes sp. Bargatzky 1881
 Stromatoporellida - Stromatoporellidae
Clathrocoilona sp. Yavorsky 1931
 Stromatoporellida - Trupetostromatidae
Trupetostroma sp. Parks 1936