Diagrammatic cladogram of coxo-stylar skeletomusculature, profile view. Abdominal sternite IX of Noonilla cf. copiosa is rotated 180° relative to in situ position. Orthogonal caps at end of diagrammatic muscle lines signify origin; lack of caps, insertion. A Lioponera indet. B Myrmica ruginodis. C Odontomachus indet. D Protanilla zhg-vn01. E Yavnella zhg-th03. F Yavnella zhg-bt01. G Leptanilla zhg-my04. H Leptanilla zhg-my02. I Noonilla zhg-my03. J Noonilla cf. copiosa. K Leptanilla zhg-id04. L Leptanilla cf. zaballosi. Abbreviations: ASIX = abdominal sternite IX; gcx = gonocoxite; stl = gonostylus; 9csm1 = anterior coxo-stylar muscles; 9csm2 = intermediate coxo-stylar muscles.