Several other "Megatherium Clubs" exist; one formed of overseas Smithsonian researchers, yet another only in fiction, supposedly located in London, United Kingdom.
Marylebone Cricket Club | Lancashire County Cricket Club | Sierra Club | club | Sgt. Pepper's Lonely Hearts Club Band | Club Brugge K.V. | Somerset County Cricket Club | Sport Club Corinthians Paulista | Glamorgan County Cricket Club | Hampshire County Cricket Club | Nottinghamshire County Cricket Club | Richmond Football Club | Gloucestershire County Cricket Club | Cornwall County Cricket Club | Kent County Cricket Club | Club Nacional de Football | Cambridge University Cricket Club | Collingwood Football Club | Yorkshire County Cricket Club | sports club | Essendon Football Club | Port Adelaide Football Club | Jockey Club | Club Atlético River Plate | Carlton Football Club | St Kilda Football Club | Racing Club de Avellaneda | Manhattan Theatre Club | Club Olimpia | Surrey County Cricket Club |