Brachiopods of the Upper Lochkovian of Royal Creek, Yukon (Devonian of Canada)

Also known as Vagrania-Thliborhynchia Community

Where: Yukon, Canada (65.0° N, 135.0° W: paleocoordinates 3.7° N, 43.6° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Road River Group, Lochkovian (419.2 - 410.8 Ma)

• Late Lochkovian (90-140 m of section 1 and 195-250 m of section 2).

Environment/lithology: slope; carbonate and siliciclastic

• "Essentially the same as the older Spirigerina-Ancillotoechia Community discussed herein", to wit:

•"This community is everywhere typically found in deep water, basin-slope deposits. Debris flows are common, and gbraded beds may be present. A relatively deep and quiet water setting is proposed...Probably intergrades with the slightly shallower (BA 3) Atrypa-Gypidula community."

•SEP environmental call based on given info. and regional context

• Elsewhere (Lenz 1982, PBDB ref. 7001), this sequence is described as consisting of mixed basinal carbonates and clastics.

Collection methods: "Bulk faunal composition." Brachiopods are assigned to five abundance categories.

Primary reference: A. C. Lenz. 1999. Wenlockian to Pragian brachiopod communities of the northern Canadian Cordillera. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 784-792 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 24932: authorized by Michael Foote, entered by Michael Foote on 23.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

 Orthotetida - Chilidiopsidae
 Orthotetida - Areostrophiidae
 Strophomenida - Douvillinidae
 Strophomenida - Leptostrophiidae
Leptostrophia sp. Hall and Clarke 1892
sp. 2
 Strophomenida - Rafinesquinidae
 Strophomenida - Strophodontidae
 Strophomenida - Amphistrophiidae
? Mesodouvillina sp. Williams 1950
 Athyridida - Nucleospiridae
 Athyridida - Athyrididae
 Spiriferinida - Cyrtinidae
 Spiriferida - Ambocoeliidae
 Spiriferida - Reticulariidae
 Pentamerida - Gypidulidae
 Pentamerida - Clorindidae
Clorinda sp. Barrande 1879
 Protorthida - Skenidiidae
 Atrypida - Karpinskiidae
Toquimaella kayi Johnson 1967
 Atrypida - Atrypidae
Spinatrypina sp. Rzhonsnitskaya 1964
sp. 2
 Atrypida - Atrypinidae
 Atrypida - Punctatrypidae
 Atrypida - Glassiidae
Glassia sp. Davidson 1881
 Rhynchonellida - Trigonirhynchiidae
 Rhynchonellida - Machaerariidae
 Rhynchonellida - Septalariidae
 Rhynchonellida - Leiorhynchidae
"? Katunia postmodica" = Katuniella
"? Katunia postmodica" = Katuniella
 Rhynchonellida - Camarotoechiidae
Linguopugnoides sp.
genus name in quotes
 Rhynchonellida - Innaechiidae
 Orthida - Draboviidae
Muriferella aff. masurskyi Johnson and Talent 1967
 Orthida - Schizophoriidae
Schizophoria sp. King 1850
sp. 1
Schizophoria cf. paraprima Johnson et al. 1973
 Orthida - Rhipidomellidae
Dalejina sp. Havlicek 1953
sp. 1
 Orthida - Dalmanellidae
 Orthida - Hesperorthidae
Dolerorthis sp. Schuchert and Cooper 1931
sp. 1