Uperoleia marmorata Gray, 1841:90

Marbled toadlet, Gray's marbled toadlet, Yellow-spotted toadlet (refers to erroneous NSW population?)



Taxonomy & Nomenclature



Conservation Status


Last record: 1841 (Martin et al., 2023)

IUCN RedList status: Data Deficient


Only known from the holotype collected no later than 1841. Previously the species was considered widespread over in New South Wales on the opposite side of the country, but following a revision of the species by (Tyler et al., 1981) it was restricted to the type locality.



southern side of the mouth of Prince Regent River, Kimberley region, Western Australia, Australia


Anatomy & Morphology



Biology & Ecology

"Ecology: terrestrial, burrowing, nocturnal, predator; oviparous, arthropod-feeder, cryptozoic."

(Cogger et al., 1983:33)



BMNH 1947.2.19.88 (Cogger et al., 1983:33)

Type locality: southern side of the mouth of Prince Regent River, Kimberley region, Western Australia, Australia (Tyler et al., 1981)






Original scientific description:

Gray, J. E. (1841). Description of some new species and four new genera of reptiles from western Australia, discovered by John Gould, Esq.. Annals and Magazine of Natural History, Series 1, 7: 86-91.


Other references:

Barker, J., Grigg, G. and Tyler, Michael J. (1995). A Field Guide to Australian Frogs. Surrey Beatty and Sons Pty Ltd, New South Wales.

Cogger, Harold G., Cameron, Elizabeth E. and Cogger, Heather M. (1983). Myobatrachidae, pp. 12-34. In: Zoological Catalogue of Australia. I. Amphibia and Reptilia. Canberra: Australian Government Publishing Service. vi + 313 pp. [p. 33]

Cutajar, Timothy P., Portway, Christopher D., Gillard, Grace L. and Rowley, Jodi J. L. (2022). Australian Frog Atlas: Species’ Distribution Maps Informed by the FrogID Dataset. Technical Reports of the Australian Museum Online 36: 1-48.

Davies, Margaret. (1987). Taxonomy and systematics of the genus Uperoleia Gray (Anura: Leptodactylidae). PhD thesis, University of Adelaide.

Farman, Roy M., Archer, Michael and Hand, Suzanne J. (2023). A geometric morphometric analysis of variation in Australianfrog ilia and taxonomic interpretations. Journal of Morphology 284(10): e21642.

Jean-Marc Hero, Dale Roberts, Paul Horner. (2004). Uperoleia marmorata. The IUCN Red List of Threatened Species 2004: e.T22742A9384483. Accessed on 13 November 2022.

Martin, Thomas E., Bennett, Gareth C., Fairbairn, Andrew J. and Mooers, A. Ø. (2023). ‘Lost’ taxa and their conservation implications. Animal Conservation 26(1): 14-24. [Appendix S2 (1617 taxa not seen >10 years); Appendix S3 (562 taxa not seen >50 years)]

Tyler, M. J., Davies, M. and Martin, A. A. (1981). Australian frogs of the leptodactylid genus Uperoleia Gray. Australian Journal of Zoology, Supplemental Series 29 (79): 1-64.

Tyler, Michael J., Smith, L. A. and Johnstone, R. E. (1994). Frogs of Western Australia. Perth: Western Australian Museum.


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