| Character | M.38841 Maubisse | N. heran holotype | N. geoffroyi complex |
|---|---|---|---|
| Glans penis with rounded distal tip | + | + | — |
| Glans penis without dorsal ridge | + | + | — |
| BTB exceeds 1.6 mm | + | + | — |
| M3 third commissure relatively short | + | — | + |
| Mesopterygoid fossa with rounded anterior margin | + | — | + |
| Posterior palatal spine not enlarged | + | — | + |
| Relatively large auditory bullae | + | — | + |