Anterior portion of auditory bulla in ventral view of Ctenomys pulcer sp. nov. A MLP-Mz 8.X.02.17 (holotype); B MMH 7-11-8 (fossil specimen); C Ctenomys bidaui, CFA-MA 11857. Abbreviations: b, auditory bulla (ectotympanic portion); st, styliform process; sp, ventral spine of the styliform process; pt, pterygoid. Scale bar 1 mm.

  Part of: Verzi DH, De Santi NA, Olivares AI, Morgan CC, Basso NG, Brook F (2023) A new species of the highly polytypic South American rodent Ctenomys increases the diversity of the magellanicus clade. Vertebrate Zoology 73: 289-312.