PBDB Taxon

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

Platychoerops

Osteichthyes - Primates - Plesiadapidae

Taxonomy

Platychoerops was named by Charlesworth (1855). It is not extant. Its type is Platychoerops richardsoni.

It was assigned to Leptictidae by Lydekker (1885); and to Plesiadapidae by Simpson (1937), Simpson (1940), Hill (1953), Gunnell (1989), Hooker (1994), McKenna and Bell (1997), Boyer et al. (2012), Boyer et al. (2012).

Species

P. antiquus, P. boyeri, P. daubrei, P. richardsoni (syn. Miolophus planiceps) (type species), P. russelli, Plesiadapis (Subunicuspidens)

Synonyms

Miolophus was named by Owen (1865). It is not extant.

It was synonymized objectively with Platychoerops by Lydekker (1885), Gingerich (1976).
Plesiadapis (Subunicuspidens) was named by Lemoine (1887). It is not extant.

It was considered an invalid subgroup of Platychoerops by Gingerich (1976).

It was assigned to Plesiadapis by Lemoine (1887).

Synonymy list

Year	Name and author
1855	Platychoerops Charlesworth
1865	Miolophus Owen p. 339
1885	Platychoerops Lydekker p. 361
1887	Plesiadapis (Subunicuspidens) Lemoine p. 193
1937	Platychoerops Simpson p. 165
1940	Platychoerops Simpson p. 202
1953	Platychaerops Hill p. 722
1989	Platychoerops Gunnell p. 147
1994	Platychoerops Hooker
1997	Platychoerops McKenna and Bell
2012	Platychoerops Boyer et al.
2012	Platychoerops Boyer et al.

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

Rank	Name	Author
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Euarchontoglires	Murphy et al. 2001
—	Euarchonta
order	Primates
—	Euprimateformes
superfamily	Plesiadapoidea
family	Plesiadapidae	Trouessart 1897
genus	Platychoerops	Charlesworth 1855

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. †Platychoerops Charlesworth 1855

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†Platychoerops antiquus Boyer et al. 2012

†Platychoerops boyeri De Bast et al. 2018

†Platychoerops daubrei Lemoine 1880

†Platychoerops richardsoni Charlesworth 1855

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Invalid names: Miolophus planiceps Owen 1865 [objective synonym]

†Platychoerops russelli Gingerich 1976

Invalid names: Miolophus Owen 1865 [objective synonym], Plesiadapis (Subunicuspidens) Lemoine 1887 [invalid subgroup]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsuperf

Locomotion:

actively mobilec

Life habit:

arborealsuperf

Diet:

herbivoresuperf

Reproduction:

viviparoussuperf

Created:

2005-08-24 13:55:49

Modified:

2005-08-24 15:55:49

Source: superf = superfamily, c = class, subp = subphylum

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

Age range: base of the Late/Upper Paleocene to the top of the MP 8 + 9 or 59.24000 to 48.07000 Ma

Collections (14 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Paleocene	59.24 - 56.0	France (Oise)	P. sp. (166598)
Thanetian	59.24 - 56.0	France (Champagne-Ardenne)	P. antiquus (68428)
Early/Lower Eocene	56.0 - 48.07	United Kingdom	P. richardsoni (87930)
MP 8 + 9	56.0 - 48.07	France (Picardie)	P. daubrei (84997)
Ypresian	56.0 - 48.07	France (Oise)	P. sp. (68174)
Ypresian	56.0 - 48.07	United Kingdom (England)	P. daubrei, P. russelli (174239) P. richardsonii (13299 68436) P. sp. (38868)
Ypresian	56.0 - 48.07	France (Champagne-Ardenne)	P. daubrei (87958)
Ypresian	56.0 - 48.07	France (Marne)	P. daubrei (35533 35535 35537) P. richardsonii (35539)