Spicicalyx

Spicicalyx
Male Spicicalyx myola
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Pelodryadidae
Genus: Spicicalyx
Donnellan, Mahony & Richards, 2025
Species

See text

Spicicalyx is a genus of stream-dwelling frogs in the family Pelodryadidae.[1] These frogs are native to north-eastern Australia, New Guinea and its surrounding islands. Species in the genus were previously included within the wastebasket genus Litoria, but were separated into a new genus in 2025.[2] They are small-to-medium sized frogs, with mottled colours and highly textured and fringed skin that has evolved to camouflage into rainforest environments.

The genus name comes from the Latin spica meaning "point or spear" and calx meaning "heel", in reference to the pointed heel in many species.[2]

Species

Spicicalyx contains six species:

Common name Binomial name
Fringed tree frog Spicicalyx eucnemis (Lönnberg, 1900)
Big-eyed tree frog Spicicalyx exophthalmia (Tyler, Davies, and Aplin, 1986)
Papuan green-eyed treefrog Spicicalyx genimaculata (Horst, 1883)
Kuranda tree frog Spicicalyx myola (Hoskin, 2007)
Spicicalyx papua (Van Kampen, 1909)
Green-eyed treefrog Spicicalyx serrata (Andersson, 1916)

References

  1. ^ Frost, Darrel R. (2026). "Spicicalyx Donnellan, Mahony, and Richards, 2025". Amphibian Species of the World: An Online Reference. Version 6.2. American Museum of Natural History. Retrieved 2026-04-04.
  2. ^ a b Donnellan, Stephen C.; Mahony, Michael J.; Esquerré, Damien; Brennan, Ian G.; Price, Luke C.; Lemmon, Alan; Moriarty Lemmon, Emily; Günther, Rainer; Monis, Paul; Bertozzi, Terry; Keogh, J. Scott; Shea, Glenn M.; Richards, Stephen J. (2025-06-19). "Phylogenomics informs a generic revision of the Australo-Paupuan treefrogs (Anura: Pelodryadidae)". Zoological Journal of the Linnean Society. 204 (2). Oxford Academic: 1–80. doi:10.1093/zoolinnean/zlaf015. Retrieved 2026-04-01.