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Pleurostylodon modicus

Mammalia - Notoungulata - Isotemnidae

Taxonomy
Pleurostylodon modicus was named by Ameghino (1897). It is a 3D body fossil. Its type locality is Casamayoran of Patagonia, which is in a Casamayoran terrestrial horizon in Argentina. It is the type species of Pleurostylodon.

Synonyms
Synonymy list
YearName and author
1897Trimerostephanos biconus Ameghino p. 484
1897Pleurostylodon modicus Ameghino p. 485
1897Parastylops coelodus Ameghino p. 491
1901Anchistrum sulcosum Ameghino p. 373
1901Tychostylops marculus Ameghino p. 400
1901Pleurostylodon divisus Ameghino p. 417
1901Pleurostylodon plexus Ameghino p. 417
1901Dialophus simus Ameghino p. 418
1902Pleurostylodon biconus Ameghino p. 29
1902Pleurostylodon sinuosus Ameghino p. 29
1902Dimerostephanos attritus Ameghino p. 31
1904Pleurostylodon limpidus Ameghino p. 91
1904Pleurostylodon obscurus Ameghino p. 91
1904Paratemnus geminatus Ameghino p. 93
1967Pleurostylodon modicus Simpson

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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()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—AfrotheriaStanhope et al. 1998
—Paenungulatomorpha
—PaenungulataSimpson 1945
—Sudamericungulata
orderNotoungulata
suborderToxodontiaAmeghino 1887
familyIsotemnidae
genusPleurostylodon
speciesmodicus

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.

†Pleurostylodon modicus Ameghino 1897
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Invalid names: Anchistrum sulcosum Ameghino 1901 [synonym], Dialophus simus Ameghino 1901 [synonym], Dimerostephanos attritus Ameghino 1902 [synonym], Parastylops coelodus Ameghino 1897 [synonym], Paratemnus geminatus Ameghino 1904 [synonym], Pleurostylodon divisus Ameghino 1901 [synonym], Pleurostylodon limpidus Ameghino 1904 [synonym], Pleurostylodon obscurus Ameghino 1904 [synonym], Pleurostylodon plexus Ameghino 1901 [synonym], Pleurostylodon sinuosus Ameghino 1902 [synonym], Trimerostephanos biconus Ameghino 1897 [synonym], Tychostylops marculus 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: Lillegraven 1979, MacFadden et al. 1996, Ji et al. 2002, Carroll 1988, Hendy et al. 2009

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

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Casamayoran56.0 - 48.0Argentina (Chubut) Pleurostylodon modicus, Parastylops coelodus, Pleurostylodon plexus, Pleurostylodon sinuosus, Pleurostylodon limpidus (type locality: 176285) Pleurostylodon obscurus (176283)
Bartonian41.3 - 38.0Argentina (Chubut) Pleurostylodon modicus (176163 176178 176180 176181 176182 176184 176185 176187 176191) Pleurostylodon modicus, Dialophus simus (176168) Trimerostephanos biconus, Pleurostylodon modicus, Anchistrum sulcosum, Tychostylops marculus, Pleurostylodon divisus, Dimerostephanos attritus, Paratemnus geminatus (13779)