Borestus costatus Yoo

PI. 10 figs 1-5

Borestus costatus Yoo, 1988: 242, figs 25-28.

Additional material. 3 specimens from south-east of 'Rangari' (Locality 18), 2 from Swains Gully (Locality 25), 4 from 'Marohn' (Locality 28), 3 from Glenbawn (Locality 31).

Geographic distribution. 'Rangari' to Glenbawn.

Geological age. Early to late Toumaisian.