Such groups called 'Galibal' could be distinguished among themselves using some other difference, e.g. the use of nyang versus minyang for 'what', or the shape of the second person singular nominative pronoun (wiya/wiye/wuhye/wuhje etc.
[1]The Kalibal were partially a rainforest people who straddled the borders of the modern states of Queensland and New South Wales and frequented the areas in the latter around Tyalgum, and the Brunswick River divide.
[2] There are problems with Tindale's mapping, since he generally located the Kalibal where Margaret Sharpe puts the Yugambeh people[3] The names of at least 2 clans near Murwillumbah are known: The male initiation ceremony, called Bool, changed adolescents from tabboo status into cabra - fully fledged males.
The bora ceremonial site consisted of a circle surrounded by earth banked about 2 feet and measuring 35 yards in diameter.
The final stage of the rite had the initiands travel down the ditch, which was surrounded by shrubs and roofed with branches to form a tunnel until they reached the creek and disappeared for three days.