PBDB Taxon

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

Ptilodus

Mammalia - Multituberculata - Ptilodontidae

Taxonomy

Ptilodus was named by Cope (1881). It is not extant. Its type is Ptilodus mediaevus. It is the type genus of Ptilodontidae.

It was assigned to Plagiaulacinae by Hay (1902); and to Ptilodontidae by Cope (1881), Simpson (1929), Hay (1930), Gazin (1969), McKenna and Bell (1997), Kielan-Jaworowska and Hurum (2001), Scott et al. (2002) and Scott et al. (2013).

Species

P. ferronensis, P. fractus, P. gnomus, P. kummae, P. mediaevus (syn. Chirox plicatus) (type species), P. montanus (syn. P. admirabilis, P. gracilis), P. tsosiensis, P. wyomingensis

Synonyms

Chirox was named by Cope (1884).

It was synonymized subjectively with Ptilodus by Gidley (1909), Granger and Simpson (1929), Hay (1930), Simpson (1937), Matthew (1937), Schiebout (1974) and Rigby (1980).

It was assigned to Marsupialia by Cope (1884); and to Bolodontidae by Hay (1902).

Synonymy list

Year	Name and author
1881	Ptilodus Cope
1884	Chirox Cope p. 321–322
1902	Chirox Hay p. 557
1902	Ptilodus Hay p. 559
1929	Ptilodus Simpson p. 11
1930	Ptilodus Hay p. 379
1969	Ptilodus Gazin p. 3
1997	Ptilodus McKenna and Bell
2001	Ptilodus Kielan-Jaworowska and Hurum p. 418
2002	Ptilodus Scott et al. p. 692
2013	Ptilodus Scott et al.

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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

Rank	Name	Author
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Allotheria	()
order	Multituberculata	Cope 1884
suborder	Cimolodonta	()
superfamily	Ptilodontoidea	()
family	Ptilodontidae	Cope 1887
genus	Ptilodus

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. †Ptilodus Cope 1881

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†Ptilodus ferronensis Gazin 1941

†Ptilodus fractus Dorr 1952

†Ptilodus gnomus Scott et al. 2002

†Ptilodus kummae Krause 1977

†Ptilodus mediaevus Cope 1881

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Invalid names: Chirox plicatus Cope 1884 [synonym]

†Ptilodus montanus Douglass 1908

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Invalid names: Ptilodus admirabilis Hay 1930 [synonym]

†Ptilodus tsosiensis Sloan 1981

†Ptilodus wyomingensis Jepsen 1940

Invalid names: Chirox Cope 1884 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean				s.d.
p4 height	14	2.06				0.060

Composition:

phosphaticsubp

Environment:

terrestrialc

Locomotion:

actively mobilec

Life habit:

arborealg

Diet:

herbivoreg

Created:

2005-09-01 17:43:33

Modified:

2005-09-01 19:43:33

Source: g = genus, c = class, subp = subphylum

References: Hopson 1973, Jenkins and Krause 1983, Krause 1982, Carroll 1988, Hendy et al. 2009

Age range: base of the Torrejonian to the top of the Late/Upper Paleocene or 63.80000 to 55.80000 Ma

Collections (92 total)

Time interval	Ma	Country or state	Original ID and collection number
Puercan	66.0 - 63.3	USA (New Mexico)	P. tsosiensis (14760)
Puercan	66.0 - 63.3	USA (Montana)	P. tsosiensis (14766)
Puercan	66.0 - 63.3	Canada (Saskatchewan)	P. tsosiensis (14768)
Puercan	66.0 - 63.3	USA (Wyoming)	P. sp. (14730) P. tsosiensis (14724 14729 14732)
Puercan	66.0 - 63.3	USA (Utah)	P. tsosiensis (14692)
Danian	66.0 - 61.6	USA (North Dakota)	P. wyomingensis (14962)
To2	63.8 - 60.9	Canada (Alberta)	P. gnomus, P. sp. (14894) P. montanus (99007)
Torrejonian	63.8 - 60.9	USA (New Mexico)	P. mediaevus (14893)
Torrejonian	63.8 - 60.9	Canada (Alberta)	P. sp. (14828) P. wyomingensis (143200 194573 194575)
Torrejonian	63.8 - 60.9	USA (Wyoming)	P. mediaevus (14886) P. sp. (14896 14897 14898 14899 14901 14903 14904 14905) P. wyomingensis (14912)
Torrejonian	63.8 - 60.9	USA (Texas)	P. mediaevus (14884 14948 14956) P. sp. (14829)
Torrejonian	63.8 - 60.9	USA (Montana)	P. montanus (14885 14906 14913 14919 14920)
Torrejonian	63.8 - 60.9	USA (Utah)	P. ferronensis (14830)
Torrejonian - Tiffanian	63.8 - 56.8	USA (Wyoming)	P. mediaevus (14858) P. sp., P. mediaevus (14851)
Ti1	61.7 - 56.8	Canada (Alberta)	P. sp., P. gnomus (14939)
Ti3	61.7 - 56.8	Canada (Alberta)	P. sp. (14928 14992)
Ti4	61.7 - 56.8	Canada (Saskatchewan)	P. kummae (14978)
Tiffanian	61.7 - 56.8	Canada (Alberta)	P. kummae (14995) P. sp. (14929 14945 14954 14957 14959 14973)
Tiffanian	61.7 - 56.8	USA (North Dakota)	P. kummae (14976 14977) P. montanus (14931) P. sp. (15006) P. sp., P. wyomingensis (15000)
Tiffanian	61.7 - 56.8	USA (Wyoming)	Neoplagiaulax fractus (14944 15034) P. kummae (14952 15055 15059 15066 15069 190436) P. montanus (14926 14965) P. sp. (14999 15012 15013 15016 15027 15031 15036 15061 15067) P. sp., Ectypodus hazeni (14989) P. sp., P. kummae (14936 15017)
Tiffanian	61.7 - 56.8	USA (California)	P. sp. (14872)
Tiffanian	61.7 - 56.8	USA (Colorado)	P. kummae (14967 174227)
Tiffanian	61.7 - 56.8	USA (Montana)	P. kummae (15033) P. montanus (14937) P. sp. (14955 15025 15037 15047 15048 15064)
Late/Upper Paleocene	58.7 - 55.8	USA (Wyoming)	P. kummae (15018 15024)
Clarkforkian	56.2 - 54.9	USA (Wyoming)	P. kummae (15028)
Clarkforkian	56.2 - 54.9	USA (Colorado)	P. sp. (15219 15252)