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. 2015 Nov 24;10(11):e0143392. doi: 10.1371/journal.pone.0143392

Fig 10. Variation in tympanum condition.

Fig 10

(A) Tympanum covered by muscle, overlying skin not differentiated (Pristimantis limoncochensis sp. nov., QCAZ 52987); (B) tympanic annulus and membrane distinct, not covered by muscle (Pristimantis enigmaticus sp. nov., QCAZ 31184), overlying skin is differentiated (not shown in photo). Photographs by H. M. Ortega-Andrade.