Didolodus

Extinct genus of mammals

Didolodus
Temporal range: Mid Eocene (Divisaderan)
~40.4–37.2 Ma
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Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Family: Didolodontidae
Genus: Didolodus
Ameghino 1897
Species
  • D. latigonus
  • D. magnus
  • D. minor
  • D. multicuspis (type)
Synonyms
  • Cephanodus Ameghino 1902
  • Lonchoconus Ameghino 1901
  • Nephacodus Ameghino 1902

Didolodus is an extinct genus of mammals from Middle Eocene Argentina. It is an ungulate mammal of uncertain affinities, possibly related to Litopterna, though this is uncertain due to the lack of reliable post-cranial remains, and for now remains Meridiungulata incertae sedis.[1] Its remains were found in the Sarmiento Formation of Patagonia.[2]

Didolodus probably was a quick-footed creature which probably lived like early ungulates such as Propalaeotherium, based on its highly similar teeth. It was around 60 centimetres (2.0 ft) in length, with short limbs and a long tail.[3]

Phylogeny

Cladogram after Gelfo and Sigé, 2011:[4]

Protungulatum

Phenacodus

Kollpaniinae

Simoclaenus

Molinodus

Tiuclaenus

Andinodus

Pucanodus

Didolodontidae

Paulacoutoia protocenica

Lamegoia conodonta

Paulogervaisia inusta

Didolodus

Didolodus magnus

Didolodus multicuspis

Didolodus minor

Ernestokokenia

Ernestokokenia nitida

Ernestokokenia chaishoer

Ernestokokenia yirunhor

Escribania chubutensis

Escribania talonicuspis

Raulvaccia peligrensis

Umayodus raimondi

References

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  • Prehistoric mammals portal
  1. ^ Javier Nicolás, The alleged astragalar remains of Didolodus Ameghino, 1897 (Mammalia, Panameriungulata) and a critic of isolated bone association models, 2012
  2. ^ Didolodus at Fossilworks.org
  3. ^ Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 246. ISBN 1-84028-152-9.
  4. ^ Javier N. Gelfo and Bernard Sigé (2011). "A new didolodontid mammal from the late Paleocene–earliest Eocene of Laguna Umayo, Peru" (PDF). Acta Palaeontologica Polonica. 56 (4): 665–678. doi:10.4202/app.2010.0067.
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Xenungulata, Pyrotheria, Astrapotheria, and other minor groups
Kollpaniidae?
  • Andinodus
  • Molinodus
  • Pucanodus
  • Simoclaenus
  • Tiuclaenus
Didolodontidae
Xenungulata
Carodniidae
Pyrotheria
Colombitheriidae
Pyrotheriidae
Astrapotheria
Trigonostylopidae
Astrapotheriidae
Albertogaudryinae
Astrapotheriinae
Uruguaytheriinae
Carodnia vieirai

Pyrotherium romeroi

Astrapotherium magnum
Litopterna
Protolipternidae
Amilnedwardsiidae
Sparnotheriodontidae
Indaleciidae
Notonychopidae
Lopholipterna
Adianthidae
Macraucheniidae
Cramaucheniinae
Macraucheniinae
Proterotheriidae
Anisolambdinae
Proterotheriinae
Megadolodinae
Uncertain placement
Theosodon garretorum

Macrauchenia patachonica

Diadiaphorus majusculus
incertae sedis
Notioprogonia
  • Satshatemnus
  • Seudenius
Henricosborniidae
Notostylopidae
Toxodontia
Homalodotheriidae
Isotemnidae
Eutoxodontia
Leontiniidae
Notohippidae
Toxodontidae
Nesodontinae
Toxodontinae
Typotheria
Archaeopithecidae
Oldfieldthomasiidae
Interatheriidae
Interatheriinae
Notopithecinae
Mesotheriidae
Mesotheriinae
Archaeohyracidae
Hegetotheriidae
Hegetotheriinae
Pachyrukhinae
Pachyrukhini
Thomashuxleya rostrata

Huilatherium pluriplicatum

Toxodon platensis
Taxon identifiers
Didolodus


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