(subclass CaddoanLanguage SpokenHumanLanguage) | Languages.kif 5954-5954 | Caddoan language is a subclass of spoken human language |
(subclass NorthernCaddoanLanguage CaddoanLanguage) | Languages.kif 5961-5961 | Northern caddoan language is a subclass of caddoan language |
(subclass SouthernCaddoanLanguage CaddoanLanguage) | Languages.kif 6031-6031 | Southern caddoan language is a subclass of caddoan language |