APPENDIX 1.
Distribution of character states (available online as PDF download).
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APPENDIX 2.
Description of the character states (available online as PDF download).
APPENDIX 3.
Three dimensional figure of Yindirtemys birgeri from the locality of Tatal Gol (TAT-051/2), Valley of Lakes (Mongolia). Palate with P4-M3 left and P4-M3 right. NHMW 2012/0060/0001 (available online as PDF download).