Oral cone of Darwiniella angularis sp. n. A Mandible (NMNS-6878-001) B Bidentate second tooth C Inferior angle with simple seta D Mandible (additional specimen, ASIZCR000202) E Inferior angle with simple seta F Mandible (additional specimen, CEL-TI-9-10) G Inferior angle with simple seta H Mandible (additional specimen, ASIZCR000204). (scale bar: μm)