All of the species in the Hyla uranochroa group have large frontoparietal fontanelles, rather small ethmoids, and small nasals that are not in contact with one another or with the ethmoid.
"A Review of the Middle American Tree Frogs of the Genus Ptychohyla"
William E. Duellman
The figures in armour have nasals, and are in quilted mail: and I think there can be little doubt but that both the text and the decorations are of the latter end of the twelfth century.
"A Bibliographical, Antiquarian and Picturesque Tour in France and Germany, Volume Two"
Thomas Frognall Dibdin
48. What letters are called nasals?
"1001 Questions and Answers on Orthography and Reading"
B. A. Hathaway