| Small-billed moa-nalo Temporal range: Holocene
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|---|---|
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| Reconstruction of species’ appearance: small-billed moa-nalo (right), Maui Nui large-billed moa-nalo (left) | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Anseriformes |
| Family: | Anatidae |
| Genus: | †Ptaiochen Olson & James, 1991[1] |
| Species: | †P. pau
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| Binomial name | |
| †Ptaiochen pau Olson & James 1991
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| Synonyms | |
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The small-billed moa-nalo (Ptaiochen pau), also known as the stumbling moa-nalo, is a species of moa-nalo, one of a group of extinct, flightless, large goose-like ducks, which evolved in the Hawaiian Islands of the North Pacific Ocean. It was described in 1991 from subfossil material collected in September 1982 by Storrs Olson, Helen James and others, from the Auwahi Cave on the southern slopes of Haleakalā, on the island of Maui.[1]
- ^ a b Olson, Storrs L.; James, Helen F. (1991). "Descriptions of thirty-two new species of birds from the Hawaiian Islands: Part I. Non-Passeriformes" (PDF). Ornithological Monographs. 45 (45): 38–42. doi:10.2307/40166794. JSTOR 40166794.[permanent dead link]