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Rheiformes
Taxonomy
Rheiformes is an order. It is extant.
It was synonymized subjectively with Struthioniformes by Livezey and Zusi (2007).
It was assigned to Palaeognathae by Carroll (1988); to Palaeognathae by Clements et al. (2017); and to Palaeognathae by Acosta Hospitaleche and Picasso (2022) and Mayr (2022).
It was synonymized subjectively with Struthioniformes by Livezey and Zusi (2007).
It was assigned to Palaeognathae by Carroll (1988); to Palaeognathae by Clements et al. (2017); and to Palaeognathae by Acosta Hospitaleche and Picasso (2022) and Mayr (2022).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1988 | Rheiformes Carroll |
2017 | Rheiformes Clements et al. |
2022 | Rheiformes Acosta Hospitaleche and Picasso |
2022 | Rheiformes Mayr p. 29 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Or. Rheiformes
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Fm. Rheidae Bonaparte 1849 [rhea]
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G. †Opisthodactylus Ameghino 1891
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†Opisthodactylus horacioperezi Agnolin and Chafrat 2015
†Opisthodactylus kirchneri Noriega et al. 2017
†Opisthodactylus patagonicus Ameghino 1891
G. Rhea Brisson 1760
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Rhea americana Linnaeus 1758 [greater rhea]
†Rhea fossilis Moreno and Mercerat 1891
†Rhea nana Lydekker 1894
†Rhea pampeana Moreno and Mercerat 1891
Rhea pennata d'Orbigny 1834 [lesser rhea]
†Rhea subpampeana Moreno and Mercerat 1891
Rhea tarapacensis Chubb 1913 [Puna rhea]
Invalid names: Pterocnemia Gray 1870 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: subo = suborder, o = order | |||||
References: Marsh 1875, Benton 1983 |
Age range
Maximum range based only on fossils: base of the Early/Lower Eocene to the top of the Holocene or 55.80000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 48.6 Ma
Minimum age of oldest fossil (stem group age): 48.6 Ma
Collections (31 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Eocene | Brazil (Rio de Janeiro) | Diogenornis fragilis (38793) | |
Middle Eocene - Early/Lower Miocene | Argentina (Chubut) | Diogenornis sp. (234048) | |
Miocene | Argentina (Buenos Aires) | Rhea subpampeana (88835) | |
Neogene | Argentina | Rhea fossilis (88837) | |
Colhuehuapian | Argentina (Río Negro) | Opisthodactylus horacioperezi (89093) | |
Colhuehuapian | Argentina (Mendoza) | Pterocnemia mesopotamica (189522) | |
Santacrucian | Argentina (Santa Cruz) | Opisthodactylus patagonicus (27313 176563 176625 210153 210787) | |
Huayquerian | Argentina (La Pampa) | Pterocnemia sp. (87198) | |
Huayquerian | Argentina (Entre Rios) | Pterocnemia sp. (140471) Rheidae indet. (55600) | |
Messinian - Zanclean | Argentina (La Rioja) | Opisthodactylus kirchneri (152263) | |
Montehermosan | Argentina (Buenos Aires) | Heterorhea dabbenei, Hinasuri nehuensis (198863) Protorhea azarae (13503) | |
Montehermosan - Chapadmalalan | Argentina (Catamarca) | Opisthodactylus kirchneri (157795) | |
Lujanian | Argentina (Buenos Aires) | Rheidae indet. (63337) | |
Middle Pleistocene | Argentina (Buenos Aires) | Rhea sp. (63335) | |
Late/Upper Pleistocene | Argentina (Buenos Aires) | Rhea americana (73845) Rhea pampeana (88836) | |
Late/Upper Pleistocene | Brazil (Piauí) | Rhea sp. (211632) | |
Late/Upper Pleistocene | Argentina (Chubut) | Rhea sp. (71338) | |
Late/Upper Pleistocene | Argentina (Cordoba) | Rheidae indet. (191130) | |
Holocene | Argentina (Buenos Aires) | Rhea americana (63342) Rhea sp. (63338) | |
Holocene | Bolivia (Chuquisaca) | Rhea americana (70705) | |
Holocene | Argentina (Santa Cruz) | Rhea americana, Pterocnemia pennata (73843) | |
Holocene | Argentina | Rheidae indet. (93267) | |
Holocene | Argentina (Santiago del Estero) | Rhea americana (187627) |