Baculum comparison between Callosciurus caniceps and C. concolor. A Lateral view of C. caniceps (USNM296998). B Dorsal view of C. caniceps (USNM296998). C Lateral view of C. concolor (USNM283481). D Dorsal view of C. concolor (USNM283481).

 
 
  Part of: Hinckley A, Maldonado JE, Tamura N, Leonard JA, Hawkins MTR (2024) Lost in synonymy: Integrative species delimitation reveals two unrecognized species of Southern Asian tree squirrels (Rodentia: Sciuridae: Callosciurinae). Vertebrate Zoology 74: 683-707. https://doi.org/10.3897/vz.74.e133467