The call of Ingerophrynus. parvus s. str. from Selangor, Malaysia (A) and Ingerophrynus сhrysolophus sp. nov. (B) from Chumphon, Thailand. A. 3 s waveform of relative amplitude (Rel. amp.) and corresponding spectrogram over time (above); 1 s waveform of relative amplitude (Rel. amp.) and corresponding spectrogram over time, obtained from the last two calls in A (below); B. 6.5 s waveform of relative amplitude (Rel. amp.) and corresponding spectrogram over time (above); 0.6 s waveform of relative amplitude (Rel. amp.) and corresponding spectrogram over time, obtained from the last two calls in B (below). Data on acoustic characters are summarized in Suppl. material 1: table S6.

 
 
  Part of: Arkhipov DV, Pawangkhanant P, Sarker G, Gorin VA, Bragin AM, Nguyen TV, Hamidy A, Muin MA, Kurniawan N, Brown RM, Suwannapoom C, Smith E, Poyarkov NA (2025) A taxonomic revision of the Ingerophrynus parvus species complex (Amphibia, Anura, Bufonidae) with the description of a new species from Thailand. Herpetozoa 38: 271-297. https://doi.org/10.3897/herpetozoa.38.e165173