Constenla-Umaña, Adolfo 2012
Antioquian, an extinct poorly attested Core Chibchan language, is missing from E16/E17/E18/E19/E20/E21/E22/E23/E24/E25/E26/E27 ( Rivet, Paul 1946 , Marcela Duque and Ivan Darío Espinosa 1994 ).