The Key to Scientific Names
- PACHYORNIS
‡ (Emeidae; † Heavy-footed Moa P. elephantopus) Gr. παχυς pakhus large, thick; ορνις ornis, ορνιθος ornithos bird; "Genus PACHYORNIS, Lydekker (gen. nov.). Syn. Palapteryx, Haast [1874] (non Owen, typically) ... Pachyornis elephantopus (Owen [1853]). Syn. Dinornis elephantopus, Owen [1853]. Palapteryx elephantopus, Haast [1874]. The type species." (Lydekker 1891); "Pachyornis Lydekker, 1891, Cat. Fossil Birds Brit.Mus: 316 — type (by original designation) Dinornis elephantopus Owen." (Checklist Birds New Zealand, 3rd ed., 1990, p. 2). The extinct Heavy-footed Moa is known only from subfossil remains.
Synon. Mauiornis, Pounamua.