PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Didolodontidae

Mammalia - Panameriungulata - Didolodontidae

Taxonomy

Didolodontidae was named by Simpson (1934) [Emendation of Dilodidae Scott 1913.].

It was assigned to Didolodontoidea by Cifelli (1983); to Condylarthra by Simpson (1934), Simpson (1935), Simpson (1948), McKenna (1956), Simpson (1967), Simpson (1970) and Carroll (1988); and to Panameriungulata by Gelfo et al. (2007), Gelfo (2010) and Avilla and Mothé (2021).

Subtaxa

Archaeohyracotherium, Argyrolambda, Depaulacoutoia (syn. Paulacoutoia), Didolodus (syn. Lonchoconus, Cephanodus, Nephacodus), Enneoconus, Ernestokokenia (syn. Notoprotogonia), Escribania, Lamegoia, Paulogervaisia, Proectocion (syn. Oxybunotherium), Raulvaccia, Ricardocifellia, Salladolodus, Saltaodus, Umayodus

Synonyms

Bunolitopternidae was named by Schlosser (1823).

It was synonymized subjectively with Didolodontidae by Cifelli (1983).

It was assigned to Litopterni by Jaekel (1911).
Didolodidae was named by Scott (1913).

It was replaced with Didolodontidae by Simpson (1934).

It was assigned to Litopterna by Scott (1913).

Synonymy list

Year	Name and author
1823	Bunolitopternidae Schlosser p. 525
1911	Bunolitopternidae Jaekel p. 245
1913	Didolodidae Scott p. 489
1934	Didolodontidae Simpson p. 6
1935	Didolodontidae Simpson p. 7
1948	Didolodontidae Simpson
1956	Didolodontidae McKenna p. 737
1967	Didolodontidae Simpson
1970	Didolodontidae Simpson
1983	Didolodontidae Cifelli
1988	Didolodontidae Carroll
2007	Didolodontidae Gelfo et al.
2010	Didolodontidae Gelfo
2021	Didolodontidae Avilla and Mothé

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()

Rank	Name	Author
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Theriamorpha	(Rowe 1993)
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Euungulata
—	Panperissodactyla
order	Panameriungulata
family	Didolodontidae
family	Didolodontidae

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.

Fm. †Didolodontidae Simpson 1934

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G. †Archaeohyracotherium Ameghino 1906

†Archaeohyracotherium mediale Ameghino 1902

G. †Argyrolambda Ameghino 1904

G. †Depaulacoutoia Cifelli and Ortiz-Jaureguizar 2014

Invalid names: Paulacoutoia Cifelli 1983 [replaced]

G. †Didolodus Ameghino 1897

†Didolodus magnus Gelfo 2010

†Didolodus minor Simpson 1948

†Didolodus multicuspis Ameghino 1897

Invalid names: Argyrolambda conidens Ameghino 1904 [synonym], Argyrolambda conulifera Ameghino 1904 [synonym], Didolodus colligatus Ameghino 1902 [synonym], Didolodus crassicuspis Ameghino 1901 [synonym], Didolodus dispar Ameghino 1904 [synonym], Lonchoconus lanceolatus Ameghino 1901 [synonym], Nephacodus latigonus Ameghino 1902 [synonym]

Invalid names: Cephanodus Ameghino 1902 [synonym], Lonchoconus Ameghino 1901 [synonym], Nephacodus Ameghino 1902 [synonym]

G. †Enneoconus Ameghino 1901

G. †Ernestokokenia Ameghino 1901

†Ernestokokenia chaishoer Simpson 1935

†Ernestokokenia nitida Ameghino 1901

Invalid names: Enneoconus parvidens Ameghino 1901 [synonym], Ernestokokenia marginata Ameghino 1901 [synonym]

†Ernestokokenia patagonica Ameghino 1901

Invalid names: Euprotogonia trigonalis Ameghino 1901 [synonym]

†Ernestokokenia yirunhor Simpson 1935

Invalid names: Notoprotogonia Ameghino 1904 [synonym]

G. †Escribania Bonaparte et al. 1993

†Escribania chubutensis Bonaparte et al. 1993

†Escribania talonicuspis Gelfo et al. 2007

G. †Lamegoia Paula Couto 1952

†Lamegoia conodonta Paula Couto 1952

G. †Paulogervaisia Ameghino 1901

†Paulogervaisia inusta Ameghino 1901

†Paulogervaisia mamma Ameghino 1901

†Paulogervaisia porca Ameghino 1901

G. †Proectocion Ameghino 1904

†Proectocion argentinus Ameghino 1904

†Proectocion precisus Ameghino 1904

Invalid names: Oxybunotherium Pascual 1965 [synonym]

G. †Raulvaccia Bonaparte et al. 1993

†Raulvaccia peligrensis Bonaparte et al. 1993

G. †Ricardocifellia Mones 2015

†Ricardocifellia protocenica Paula Couto 1952

G. †Salladolodus Soria and Hoffstetter 1983

†Salladolodus deuterotherioides Soria and Hoffstetter 1983

G. †Saltaodus Gelfo et al. 2020

†Saltaodus sirolli Gelfo et al. 2020

G. †Umayodus Gelfo and Sigé 2011

†Umayodus raimondi Gelfo and Sigé 2011

Invalid names: Bunolitopternidae Schlosser 1823 [synonym], Didolodidae Scott 1913 [replaced]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

scansorialsubc

Diet:

insectivoresubc

Reproduction:

viviparoussubc

Created:

2005-09-06 20:43:42

Modified:

2005-09-06 22:44:32

Source: subc = subclass, c = class, subp = subphylum

References: Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Lillegraven 1979

Age range: base of the Danian to the top of the Early/Lower Oligocene or 66.00000 to 28.40000 Ma

Collections (32 total)

Time interval	Ma	Country or state	Original ID and collection number
Danian	66.0 - 61.6	Argentina (Chubut)	Escribania chubutensis, Escribania talonicuspis, Mioclaenidae indet. (95914)
Thanetian - Ypresian	59.2 - 47.8	Peru (Puno)	Didolodontidae indet., Umayodus raimondi (28230)
Riochican	57.0 - 55.8	Argentina (Chubut)	Ernestokokenia yirunhor (14205) Ernestokokenia yirunhor, Ernestokokenia chaishoer (13781)
Casamayoran	56.0 - 48.0	Chile	Ernestokokenia sp. (38880)
Casamayoran	56.0 - 48.0	Argentina (Chubut)	Didolodontidae indet. (49898 175742) Didolodus multicuspis, Didolodus crassicuspis, Ernestokokenia nitida, Ernestokokenia marginata, Didolodus dispar, Argyrolambda conidens (176285) Didolodus sp. (176304) Didolodus sp., Didolodus multicuspis (175743) Oxybunotherium praecursor (141758)
Ypresian	56.0 - 47.8	Argentina (Chubut)	Ernestokokenia sp. (133040)
Ypresian - Lutetian	56.0 - 41.3	Argentina (Salta)	Saltaodus sirolli (211360)
Early/Lower Eocene	55.8 - 48.6	Brazil (Rio de Janeiro)	Didolodontidae indet., Ernestokokenia protocenica, Lamegoia conodonta (118314)
Mustersan	48.0 - 42.0	Argentina (Chubut)	Didolodontidae indet. (49901) Paulogervaisia inusta (176194)
Lutetian	47.8 - 41.3	Argentina (Salta)	Ernestokokenia sp. (211419)
Lutetian	47.8 - 41.3	Argentina (Chubut)	D. gen. et sp. nov. 7, D. gen. et sp. nov. 8 (176059) Didolodus minor (176170) Didolodus sp., Didolodus minor (44956)
Lutetian - Bartonian	47.8 - 38.0	Argentina (Chubut)	Didolodus multicuspis, Enneoconus parvidens, Prohyracotherium medialis, Nephacodus latigonus (176164)
Bartonian	41.3 - 38.0	Argentina (Chubut)	Didolodus magnus (176189) Didolodus multicuspis (176180 176186) Didolodus multicuspis, Lambdaconus mamma, Lambdaconus porcus, Lonchoconus lanceolatus, Ernestokokenia nitida, Paulogervaisia inusta, Didolodus colligatus, Proectocion argentinus, Proectocion precisus, Didolodus minor (13779) Ernestokokenia nitida (176181) Euprotogonia patagonica, Euprotogonia trigonalis (176163)
Bartonian	41.3 - 38.0	Argentina (Santa Cruz)	Didolodus multicuspis (176494)
Priabonian	38.0 - 33.9	Argentina (Catamarca)	Ernestokokenia sp. (41608)
Early/Lower Oligocene	33.9 - 28.4	Peru	Didolodus sp. (199563)
Deseadan	29.0 - 21.0	Bolivia	Salladolodus deuterotherioides (95688)
Deseadan	29.0 - 21.0	Bolivia (La Paz)	Salladolodus deuterotheroides (133596)