Diagnostic description:
Stridulatory file with 27 teeth, moderately sulcate; teeth are large at middle; file gradually narrowing at distal end, abruptly narrowing with few teeth towards proximal end. [1]
References
Taxonomic name:
Stridulatory file with 27 teeth, moderately sulcate; teeth are large at middle; file gradually narrowing at distal end, abruptly narrowing with few teeth towards proximal end. [1]