PBDB Taxon

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Henricosbornia

Mammalia - Notoungulata - Henricosborniidae

Taxonomy

Henricosbornia was named by Ameghino (1901). Its type is Henricosbornia lophodonta. It is the type genus of Henricosbornidae.

It was assigned to Henricosbornidae by Ameghino (1901); and to Henricosborniidae by Simpson (1935), Simpson (1948) and Carroll (1988).

Species

H. ampla, H. lophodonta (syn. Prohyracotherium patagonicum, Microstylops clarus, Polystylops progrediens, Selenoconus spiculatus, Pantostylops incompletus, Hemistylops trigonostyloides, H. alouatina, Selenoconus centralis, Pantostylops completus, H. subconica, Pantostylops typus, Microstylops monoconus, Peripantostylops orehor, Hemistylops paucicuspidatus, H. waitehor, Prohyracotherium matutinum, Selenoconus senex) (type species), H. minuta

Synonyms

Selenoconus was named by Ameghino (1901). It is the type genus of Selenoconidae.

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

It was assigned to Phenacodontidae by Ameghino (1901); and to Selenoconidae by Ameghino (1902).
Pantostylops was named by Ameghino (1901). It is the type genus of Pantostylopidae.

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

It was assigned to Pantostylopidae by Ameghino (1901).
Microstylops was named by Ameghino (1901).

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

It was assigned to Pantostylopidae by Ameghino (1901).
Prohyracotherium was named by Ameghino (1902).

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

It was assigned to Hyracotheriidae by Ameghino (1902).
Hemistylops was named by Ameghino (1904).

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

It was assigned to Pantostylopidae by Ameghino (1904).
Polystylops was named by Ameghino (1904).

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

It was assigned to Pantostylopidae by Ameghino (1904).
Monolophodon was named by Roth (1903). It is not extant.

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

It was assigned to Notostylopidae by Roth (1904).

Synonymy list

Year	Name and author
1901	Henricosbornia Ameghino p. 357
1901	Selenoconus Ameghino p. 385
1901	Pantostylops Ameghino p. 426
1901	Microstylops Ameghino p. 429
1902	Prohyracotherium Ameghino p. 15
1902	Selenoconus Ameghino p. 20
1903	Monolophodon Roth
1904	Hemistylops Ameghino p. 49
1904	Polystylops Ameghino p. 51
1904	Monolophodon Roth
1935	Henricosbornia Simpson p. 12
1948	Henricosbornia Simpson
1988	Henricosbornia Carroll

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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	()
genus	Henricosbornia

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.

G. †Henricosbornia Ameghino 1901

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†Henricosbornia ampla Ameghino 1904

†Henricosbornia lophodonta Ameghino 1901

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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]

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

Age range: base of the Casamayoran to the top of the Bartonian or 56.00000 to 38.00000 Ma

Collections (17 total)

Time interval	Ma	Country or state	Original ID and collection number
Riochican	57.0 - 55.8	Argentina (Chubut)	Peripantostylops orehor, H. waitehor (14205) Polystylops sp., H. sp., H. lophodonta (13781)
Casamayoran	56.0 - 48.0	Argentina (Chubut)	H. 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)	H. sp. (133040)
Early/Lower Eocene	55.8 - 48.6	Brazil (Rio de Janeiro)	H. sp. (38793)
Early/Lower Eocene - Middle Eocene	55.8 - 37.71	Argentina (Chubut)	Monolophodon minutus (175735)
Lutetian	47.8 - 41.3	Argentina (Chubut)	H. lophodonta (44956 133039 176059 176170 176172 176173) H. lophodonta, H. ampla (176165)
Lutetian - Bartonian	47.8 - 38.0	Argentina (Chubut)	Selenoconus centralis, Selenoconus senex, Pantostylops typus, Pantostylops incompletus, H. alouatina, H. subconica, Polystylops progrediens, Polystylops amplus (176164)
Bartonian	41.3 - 38.0	Argentina (Chubut)	H. lophodonta (13779 176167 176180)