Group
in geology, a stratigraphic unit, smaller than a supergroup and larger than a subgroup
Columbia River Basalt Group
Cutler Formation
Cromer Knoll Group
Family 13
Great Oolite Group
South Wales Coal Measures Group
Crag Group
White Jura
Armorican Quartzite
Windermere Supergroup
Borden Formation
Heron Group
Matsuo Group
Judith River Group
Eagle Ford Group
Cisco Group
Canyon Group
Cherokee Group
Chesapeake Group
Cincinnati Group
Bird Spring Group
Albemarle Group
Aldrich Mountains Group
Strathclyde Group
Puget Group
Barnwell Group
Bass Islands Group
Navan Group
High Bridge Group
Kansas City Group
Key Largo Limestone Group
Knox Group
Lockport Group
Midway Group
Mauch Chunk Group
Navarro Group
Okeechobee Group
Potomac Group
Saginaw Group
Tristates Group
White River Formation
Richmond Group
Rosario Group
Simpson Group
Star Peak Group
Raccoon Creek Group
Waverly Group
Table Mountain Sandstone
Lower North Sea Group
Montana Group