The Murutic languages are a family of half a dozen closely related Austronesian languages, spoken in the northern inland regions of Borneo by the Murut and Tidung.
The Murutic languages are (Lobel 2013):
Timugon Murut and Tagol Murut
Keningau Murut, Beaufort Murut (Binta’), Tabalunan/Serudung Murut, Selungai Murut, Sembakung Murut, Okolod, Bookan, Tanggala Murut, Paluan, Agabag/Tinggalan Murut.
Burusu, Kalabakan, Nonukan Tidong, Sesayap Tidong
Tagol Murut is commonly used and understood by a large majority of the Murut peoples.
Lobel (2013:360) also lists the languages Abai Sembuak, Abai Tubu, and Bulusu (all spoken near Malinau town in North Kalimantan) as Murutic languages. On the other hand, Abai Sungai, spoken in eastern Sabah, is a Paitanic language.
Lobel (2016) covers the following Greater Murutic languages, including Tidong:
Lobel (2013:367) lists the following Murutic phonological innovations. (Note: PSWSAB stands for Proto-Southwest Sabahan, while PMP stands for Proto-Malayo-Polynesian.)