PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Henricosborniidae

Mammalia - Notoungulata - Henricosborniidae

Taxonomy

Henricosbornidae was named by Ameghino (1901). Its type is Henricosbornia.

It was corrected as Henricosborniidae by Simpson (1934), Simpson (1935), Simpson (1948), Pascual et al. (1978), Marshall and de Muizon (1983), Carroll (1988) and López (2010).

It was assigned to Prosimiae by Ameghino (1901); to Notioprogonia by Simpson (1934), Simpson (1935), Simpson (1948), Pascual et al. (1978) and Carroll (1988); and to Notoungulata by Gregory (1910), Marshall and de Muizon (1983) and López (2010).

Subtaxa

Acamana, Henricosbornia (syn. Polystylops, Selenoconus, Microstylops, Monolophodon, Hemistylops, Prohyracotherium, Pantostylops) (type genus), Nanolophodon, Orome, Othnielmarshia (syn. Postpithecus), Peripantostylops, Simpsonotus

Synonyms

Pantostylopidae was named by Ameghino (1901). Its type is Pantostylops.

It was synonymized subjectively with Henricosborniidae by Simpson (1948).

It was assigned to Tillodonta by Ameghino (1901).
Selenoconidae was named by Ameghino (1902). Its type is Selenoconus.

It was synonymized subjectively with Henricosborniidae by Simpson (1948).

It was assigned to Condylarthra by Ameghino (1902).

Synonymy list

Year	Name and author
1901	Henricosbornidae Ameghino p. 357
1901	Pantostylopidae Ameghino p. 426
1902	Selenoconidae Ameghino p. 20
1910	Henricosbornidae Gregory p. 466
1934	Henricosborniidae Simpson
1935	Henricosborniidae Simpson p. 11
1948	Henricosborniidae Simpson
1978	Henricosborniidae Pascual et al.
1983	Henricosborniidae Marshall and de Muizon p. 147
1988	Henricosborniidae Carroll
2010	Henricosborniidae López

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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

Rank	Name	Author
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Afrotheria	Stanhope et al. 1998
—	Paenungulatomorpha
—	Paenungulata	Simpson 1945
—	Sudamericungulata
order	Notoungulata
family	Henricosborniidae	()
family	Henricosborniidae	()

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. †Henricosborniidae Ameghino 1901

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G. †Acamana Simpson et al. 1962

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†Acamana ambiguus Simpson et al. 1962

G. †Henricosbornia Ameghino 1901

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†Henricosbornia ampla Ameghino 1904

†Henricosbornia lophodonta Ameghino 1901

Invalid names: Hemistylops paucicuspidatus Ameghino 1904 [synonym], Hemistylops trigonostyloides Ameghino 1904 [synonym], Henricosbornia alouatina Ameghino 1904 [synonym], Henricosbornia subconica Ameghino 1904 [synonym], Henricosbornia waitehor Simpson 1935 [synonym], Microstylops clarus Ameghino 1901 [synonym], Microstylops monoconus Ameghino 1904 [synonym], Pantostylops completus Ameghino 1902 [synonym], Pantostylops incompletus Ameghino 1901 [synonym], Pantostylops typus Ameghino 1901 [synonym], Peripantostylops orehor Simpson 1935 [synonym], Polystylops progrediens Ameghino 1904 [synonym], Prohyracotherium matutinum Ameghino 1902 [synonym], Prohyracotherium patagonicum Ameghino 1902 [synonym], Selenoconus centralis Ameghino 1901 [synonym], Selenoconus senex Ameghino 1901 [synonym], Selenoconus spiculatus Ameghino 1902 [synonym]

†Henricosbornia minuta Roth 1904

Invalid names: Hemistylops Ameghino 1904 [synonym], Microstylops Ameghino 1901 [synonym], Monolophodon Roth 1903 [synonym], Pantostylops Ameghino 1901 [synonym], Polystylops Ameghino 1904 [synonym], Prohyracotherium Ameghino 1902 [synonym], Selenoconus Ameghino 1901 [synonym]

G. †Nanolophodon Castro et al. 2021

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†Nanolophodon tutuca Castro et al. 2021

G. †Orome Bauzá et al. 2019

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†Orome deepi Bauzá et al. 2019

G. †Othnielmarshia Ameghino 1901

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†Othnielmarshia curvicrista Ameghino 1901

†Othnielmarshia lacunifera Ameghino 1901

†Othnielmarshia reflexa Ameghino 1901

Invalid names: Postpithecus Ameghino 1901 [synonym]

G. †Peripantostylops Ameghino 1904

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†Peripantostylops minutus Ameghino 1901

Invalid names: Selenoconus agilis Ameghino 1901 [synonym]

G. †Simpsonotus Pascual et al. 1978

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†Simpsonotus major Pascual et al. 1978

†Simpsonotus praecursor Pascual et al. 1978

Invalid names: Pantostylopidae Ameghino 1901 [synonym], Selenoconidae Ameghino 1902 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

scansorialsubc

Diet:

herbivoreo

Reproduction:

viviparoussubc

Created:

2009-01-05 17:11:49

Modified:

2009-01-05 19:11:49

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

References: Ji et al. 2002, Lillegraven 1979, Carroll 1988, MacFadden et al. 1996, Hendy et al. 2009

Age range: base of the Riochican to the top of the Deseadan or 57.00000 to 21.00000 Ma

Collections (28 total)

Time interval	Ma	Country or state	Original ID and collection number
Selandian - Thanetian	61.6 - 56.0	Argentina (Jujuy)	Simpsonotus major (175869 175870) Simpsonotus praecursor (175868)
Riochican	57.0 - 55.8	Argentina (Chubut)	Othnielmarshia sp., Polystylops sp., Henricosbornia sp., Henricosbornia lophodonta (13781) Peripantostylops orehor, Henricosbornia waitehor (14205)
Casamayoran	56.0 - 48.0	Argentina (Chubut)	Henricosbornia lophodonta, Microstylops clarus, Prohyracotherium patagonicum, Prohyracotherium matutinum, Selenoconus spiculatus, Pantostylops completus, Hemistylops paucicuspidatus, Hemistylops trigonostyloides, Microstylops monoconus (176285)
Ypresian	56.0 - 47.8	Argentina (Chubut)	Henricosbornia sp., Peripantostylops sp., Orome deepi (133040) Orome deepi (203121)
Early/Lower Eocene	55.8 - 48.6	Brazil (Rio de Janeiro)	Henricosbornia sp. (38793) Nanolophodon tutuca (118314)
Early/Lower Eocene - Middle Eocene	55.8 - 37.71	Argentina (Chubut)	Monolophodon minutus (175735)
Early/Lower Eocene - Middle Eocene	55.8 - 37.71	Argentina (Mendoza)	Henricosborniidae indet. (212321)
Lutetian	47.8 - 41.3	Argentina (Chubut)	Henricosbornia lophodonta (133039 176173) Henricosbornia lophodonta, Othnielmarshia lacunifera (176059 176172) Henricosbornia lophodonta, Othnielmarshia lacunifera, Peripantostylops minutus (44956 176170) Henricosbornia lophodonta, Othnielmarshia lacunifera, Peripantostylops minutus, Henricosbornia ampla (176165)
Lutetian - Bartonian	47.8 - 38.0	Argentina (Chubut)	Othnielmarshia lacunifera, Postpithecus curvicrista, Postpithecus reflexus, Selenoconus centralis, Selenoconus senex, Selenoconus agilis, Pantostylops typus, Pantostylops incompletus, Pantostylops minutus, Henricosbornia alouatina, Henricosbornia subconica, Polystylops progrediens, Polystylops amplus (176164)
Divisaderan	42.0 - 36.0	Argentina (Mendoza)	Acamana ambiguus (92669)
Bartonian	41.3 - 38.0	Argentina (Chubut)	Henricosbornia lophodonta (13779 176167 176180)
Deseadan	29.0 - 21.0	Bolivia (La Paz)	Acamana sp. (133596)
Deseadan	29.0 - 21.0	Argentina (Chubut)	Henricosborniidae indet. (14211 186602)
Deseadan	29.0 - 21.0	Bolivia	Acamana sp. (95688)