BioStor
 | The phylogenetic significance of vocal sac structure in hylid frogs M J Tyler (1971) University of Kansas Publications. Museum of Natural History 19: 319-360 |
 | Systematic relationships of Neotropical horned frogs, genus Hemiphractus (Anura: Hylidae) Linda Trueb (1974) Occas. Papers Mus. Nat. Hist. Univ. Kansas 29: 1-60 |
 | The systematic status and relationships of the hylid frog Nyctimantis rugiceps Boulenger William E Duellman and Linda Trueb (1976) Univ. Kansas Mus. Nat. Hist. Occas. Pap. 58: 1-14 |
 | MULTIPLE NUCLEI DURING EARLY OOGENESIS IN FLECTONOTUS PYGMAEUS AND OTHER MARSUPIAL FROGS Eugenia M Del Pino and A A Humphries (1978) Biol Bull 154: 198-212 |
 | The taxonomy and phylogenetic relationships of the hylid frog genus Stefania William E Duellman and Marinus S Hoogmoed (1984) University of Kansas Natural History Museum Miscellaneous Publication 75: 1-39 |
 | Frogs of the Hyla armata and Hyla pulchella groups in the Andes of South America, with definitions and analyses of phylogenetic relationships of Andean groups of Hyla William E Duellman, Ignacio De La Riva and Eric R Wild (1997) Scientific Papers Natural History Museum University of Kansas 3: 1-41 |