Red River Formation, Selkirk Member, Garson, Manitoba 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 and Phil Novack-Gottshall

Creative Commons license: CC BY (attribution)

Taxonomic list

• From reference and Elias (1980) and Elias (1981).
Show authors, comments, and common names
Anthozoa
 Heliolitida - Halysitidae
Catenipora rubra, Manipora amicarum
Catenipora rubra tabulate coral
Manipora amicarum tabulate coral
 Tetradiida - Tetradiidae
Rhabdotetradium garsonense2
 Stauriida - Complexophyllidae
Complexophyllum leithi n. gen. n. sp.
Complexophyllum leithi n. gen. n. sp. Elias 1981 horn coral
 Stauriida - Streptelasmatidae
Helicelasma randi n. sp.1, Grewingkia dilata n. sp.1, "Grewingkia haysii" = Zaphrenthis haysii1, Grewingkia crassa n. sp.1, Grewingkia lamellosa n. sp.1, Grewingkia robusta1, Bighornia cf. patella1, Deiracorallium delicatum n. sp.1
Helicelasma randi n. sp.1 Elias 1981 horn coral
Grewingkia dilata n. sp.1 Elias 1981 horn coral
"Grewingkia haysii" = Zaphrenthis haysii1 Meek 1865 horn coral
Grewingkia crassa n. sp.1 Elias 1981 horn coral
Grewingkia lamellosa n. sp.1 Elias 1981 horn coral
Grewingkia robusta1 Whiteaves 1896 horn coral
Bighornia cf. patella1 Wilson 1926 horn coral
Deiracorallium delicatum n. sp.1 Elias 1981 horn coral
1Elias 1981; 2Young 1995