Red River Formation, Selkirk Member, Garson, corals (Ordovician to of Canada)

Where: Manitoba, Canada (50.1° N, 96.7° W: paleocoordinates 12.0° S, 57.8° W)

• coordinate stated in text

• local area-level geographic resolution

When: Selkirk Member (Red River Formation), Maysvillian to Maysvillian (450.2 - 445.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, burrowed, dolomitic wackestone and lithified, burrowed, dolomitic packstone

• Environment from Young, 1995
• The member is lithologically homogeneous, consisting of lime wackestones to packstones with dolomite mottling of burrow fills. (from Young, 1995)

Size class: macrofossils

Primary reference: R. J. Elias and D. Lee. 1993. Microborings and growth in Late Ordovician halysitids and other corals. Journal of Paleontology 67(6):922-934 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 28019: authorized by Steven Holland, entered by Tori Hanson on 20.01.2003, edited by Steven Holland, Phil Novack-Gottshall and Barbara Seuss

Creative Commons license: CC BY (attribution)

Taxonomic list

• From reference and Elias (1980) and Elias (1981).
Show authors, comments, and common names
Anthozoa
 Heliolitida - Ellisitidae
cf. Ellisites astomata3
cf. Ellisites astomata3 tabulate coral
unclassified
  -
Cystostroma sp.3
Stromatoporoidea
 Labechiida - Labechiidae
Stratodictyon sp.3
Stratodictyon sp.3 Webby 1969 stromatoporoid sponge
Anthozoa
 Stauriida - Stauriidae
Crenulites "sp. A"3, Crenulites "sp. B"3
Crenulites "sp. A"3 Flower 1961 horn coral
Crenulites "sp. B"3 Flower 1961 horn coral
 Stauriida - Complexophyllidae
Complexophyllum leithi n. gen. n. sp.
Complexophyllum leithi n. gen. n. sp. Elias 1981 horn coral
 Stauriida - Streptelasmatidae
Bighornia cf. patella1, "Grewingkia haysii" = Zaphrenthis haysii1, Grewingkia crassa n. sp.1, Grewingkia dilata n. sp.1, Grewingkia robusta1, Grewingkia lamellosa n. sp.1, Helicelasma randi n. sp.1, Deiracorallium delicatum n. sp.1
Bighornia cf. patella1 Wilson 1926 horn coral
"Grewingkia haysii" = Zaphrenthis haysii1 Meek 1865 horn coral
Grewingkia crassa n. sp.1 Elias 1981 horn coral
Grewingkia dilata n. sp.1 Elias 1981 horn coral
Grewingkia robusta1 Whiteaves 1896 horn coral
Grewingkia lamellosa n. sp.1 Elias 1981 horn coral
Helicelasma randi n. sp.1 Elias 1981 horn coral
Deiracorallium delicatum n. sp.1 Elias 1981 horn coral
 Tetradiida - Tetradiidae
Rhabdotetradium garsonense2
 Sarcinulida - Syringophyllidae
cf. Calapoecia anticostiensis3
cf. Calapoecia anticostiensis3 Billings 1865 tabulate coral
 Favositida - Favositidae
Saffordophyllum newcombae3
Saffordophyllum newcombae3 Flower 1961 tabulate coral
 Heliolitida - Halysitidae
Manipora amicarum, Catenipora rubra
Manipora amicarum tabulate coral
also in Young & Kershaw 2005
Catenipora rubra tabulate coral
also in Young & Kershaw 2005
1Elias 1981; 2Young 1995; 3Young and Kershaw 2005