Classification of the family Trachelocrinidae

Fm. †Trachelocrinidae Sprinkle 1973
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G. †Tatonkacystis Sumrall et al. 1997
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†Tatonkacystis codyensis Sumrall et al. 1997
G. †Trachelocrinus Ulrich 1929
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†Trachelocrinus resseri Ulrich 1929