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Propalaeotherium hassiacum

Osteichthyes - Perissodactyla - Palaeotheriidae

Taxonomy
Propalaeotherium hassiacum was named by Haupt (1925).

Synonyms
Synonymy list
YearName and author
1925Propalaeotherium hassiacum Haupt
1977Lophiotherium magnum Matthes pp. 24, 37-38 figs. pl. LXXIV 4, LXXVI 1
1986Propalaeotherium hassiacum Franzen and Haubold pp. 15-16
1986Propalaeotherium hassiacum Hooker p. 343

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
superfamilyEquoidea
familyPalaeotheriidaeBonaparte 1850
subfamilyPachynolophinaePaulow 1877
genusPropalaeotheriumGervais
specieshassiacumHaupt 1925

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.

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Invalid names: Lophiotherium magnum Matthes 1977 [synonym]
Diagnosis
ReferenceDiagnosis
J. L. Franzen and H. Haubold 1986Skull-length 200-250 mm, between P. voigti and P. argentonicum, phylogenetically between Propachynolophus gaudryi (LEMOINE, 1878) and Propalaeotherium isslanum. In comparison to P. isslanum molars more brachyobunodont. Mesostyle on upper molars present, usually weaker than those of P. isslanum. Posterolingual the upper premolars, especially upper P4, often strongly shortened, so the tooth has a nearly triangular horizontal outline. In comparison to P. isslanum postprotocristid and posthypocristid are clearer lophs. Entoconid of lower P4 weaker than that of P. isslanum, or completely absent. Lower P1 with two roots. Teeth robuster than those of P. isselanum. Limbs are broader and shorter compared to P. parvulum and P. voigti (especially the feet): feet not as short than that of P. isslanum.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialg
Locomotion: actively mobilec
Life habit: ground dwellingg
Diet: folivoreg
Diet 2: frugivoreg
Reproduction: viviparoussubc
Created: 2005-09-01 01:48:48
Modified: 2005-09-01 08:25:41
Source: g = genus, subc = subclass, c = class, subp = subphylum
References: Legendre 1988, Hendy et al. 2009, Carroll 1988, Lillegraven 1979

Age range: base of the Early/Lower Eocene to the top of the Lutetian or 56.00000 to 41.03000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Eocene56.0 - 48.07Germany (Sachsen-Anhalt) Propalaeotherium hassiacum, Lophiotherium magnum, Propalaeotherium isselanum, Propalaeotherium helveticum (45749)
Eocene56.0 - 33.9Germany (Sachsen-Anhalt) Propalaeotherium hassiacum (45774)
Lutetian48.07 - 41.03Germany (Sachsen-Anhalt) Lophiotherium magnum (45001) Propalaeotherium hassiacum (45000 45750) Propalaeotherium hassiacum, Propalaeotherium helveticum, Propalaeotherium isselanum, Lophiotherium magnum (44999) Propalaeotherium helveticum, Lophiotherium magnum (13322)
Middle Eocene48.07 - 37.71Germany (Sachsen-Anhalt) Propalaeotherium hassiacum (45772 45773)