A survey of morphological variation in adult Meristogenys amoropalamus (Amphibia, Anura, Ranidae), with a description of a new cryptic species Author Shimada, Tomohiko Author Matsui, Masafumi Author Yambun, Paul Author Sudin, Ahmad text Zootaxa 2011 2905 33 56 journal article 46761 10.5281/zenodo.205593 d80346ff-f0ac-49e4-9622-599cd854408f 1175-5326 205593 Key to Meristogenys larvae from Sabah 1. Seven rows of upper labial teeth.......................................................................... 2 - Six rows of upper labial teeth............................................................................ 5 2. Tail glands on both fins, head and body without surface projections................................ M. amoropalamus - Tail glands absent or limited to ventral fin, head and body with surface projections.................................. 3 3. Lower jaw sheaths divided by a narrow vertical line or a crack........................................ M. maryatiae - Lower jaw sheath undivided............................................................................. 4 4. Ventral tail glands usually less than six........................................................ M. stenocephalus - Ventral tail glands usually more than six....................................................... M. stigmachilus ......................................................................................... M. whiteheadi 5. Lower jaw sheath undivided, ventral glands present............................................. M. kinabaluensis - Lower jaw sheaths divided by a broad space, ventral glands absent.............................................. 6 6. Head and body rectangular, usually seven or eight rows of lower labial teeth.............................. M. dyscritus - Head and body oval, usually six rows of lower labial teeth........................................ M. orphnocnemis