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

Palaeosyopinae

Mammalia - Perissodactyla - Brontotheriidae

Taxonomy
Palaeosyopinae was named by Steinmann and Döderlein (1890).

It was synonymized subjectively with Lambdotheriinae by Hay (1902).

It was assigned to Brontotheridae by Mader (1998); and to Brontotheriidae by Mihlbachler (2008) and Mader (2010).

Synonymy list
YearName and author
1890Palaeosyopinae Steinmann and Döderlein
1998Palaeosyopinae Mader p. 529
2008Palaeosyopinae Mihlbachler p. 408
2010Palaeosyopinae Mader

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
RankNameAuthor
Mammaliamorpha
Mammaliaformes
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
familyBrontotheriidae()
subfamilyPalaeosyopinaeSteinmann and Döderlein 1890
subfamilyPalaeosyopinaeSteinmann and Döderlein 1890

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.

Subfm. †Palaeosyopinae Steinmann and Döderlein 1890
show all | hide all
G. †Palaeosyops Leidy 1870
hide
+
Invalid names: Eometarhinus huerfanensis Osborn 1919 [synonym]
Palaeosyops junius Leidy 1873
Palaeosyops manteoceras Osborn in Matthew 1899
Palaeosyops paludosus Leidy 1870
+
Invalid names: Canis marshii Hay 1899 [synonym], Limnohyops matthewi Osborn 1908 [synonym], Palaeosyops humilis Leidy 1872 [synonym], Palaeosyops laevidens Cope 1873 [synonym], Palaeosyops longirostris Earle 1892 [synonym], Palaeosyops major Leidy 1871 [synonym], Palaeosyops minor Earle 1891 [synonym], Palaeosyops minor Marsh 1871 [synonym], Palaeosyops priscus Osborn 1908 [synonym]
Palaeosyops robustus Marsh 1872
+
Invalid names: Palaeosyops copei Osborn 1908 [synonym], Palaeosyops diaconus Cope 1873 [synonym], Palaeosyops grangeri Osborn 1908 [synonym], Palaeosyops laticeps Leidy 1872 [synonym], Palaeosyops leidyi Osborn 1908 [synonym]
Invalid names: Eometarhinus Osborn 1919 [synonym], Limnohyops Marsh 1890 [synonym], Limnohyus Marsh 1872 [synonym], Palaeosyops ultimus Matthew 1897 [nomen nudum]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-08-31 14:53:16
Modified: 2005-08-31 16:53:16
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Ji et al. 2002, Mader 1998, Lillegraven 1979, Carroll 1988

Age range: Bridgerian or 50.30000 to 46.20000 Ma

Collections (55 total)


Time interval Ma Country or state Original ID and collection number
Wasatchian - Bridgerian55.8 - 46.2USA (Wyoming) Palaeosyops fontinalis (15463) Palaeosyops sp. (16134)
Bridgerian50.3 - 46.2USA (Colorado) Eometarhinus huerfanensis, Palaeosyops fontinalis (16239) Palaeosyops fontinalis (16231 16240 16242 16298 16398 180105)
Bridgerian50.3 - 46.2USA (Montana) Palaeosyops fontinalis (16401)
Bridgerian50.3 - 46.2USA (Wyoming) Eotitanops sp. (16487) Limnohyops laevidens, Palaeosyops major (16205) Limnohyops laticeps (16282) Limnohyops monoconus, Palaeosyops major, Palaeosyops paludosus (16228) Palaeosyops fontinalis (15837 16089 16094 16095 16097 16115 16116 16117 16198 16219 16232 16258 16259 16264 16291 16311 16320 16321 16326 16338 16352 16362 16380 16383 16394 16489 27269) Palaeosyops grangeri (16448) Palaeosyops laevidens, Palaeosyops paludosus (16201 16284) Palaeosyops leidyi (16420) Palaeosyops major (16212 16414) Palaeosyops paludosus (16226 16455) Palaeosyops robustus, Limnohyops laticeps (16279) Palaeosyops robustus, Limnohyops laticeps, Palaeosyops leidyi (16235) Palaeosyops robustus, Palaeosyops paludosus (16236) Palaeosyops sp. (16135 16647 129895)