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Ancylotherium hellenicum

Mammalia - Perissodactyla - Chalicotheriidae

Discussion

Origin of the name. Hellas, the name of the country found.

Taxonomy
Ancylotherium hellenicum was named by Koufos (2012). Its type specimen is PNT-160, a skull, and it is a 3D body fossil. Its type locality is Pentalophos 1, which is in a Vallesian terrestrial conglomerate/sandstone in the Nea Messimvria Formation of Greece.

Synonymy list
YearName and author
2012Ancylotherium hellenicum Koufos

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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()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
RankNameAuthor
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
Tapiromorpha(Haeckel 1873)
Ancylopoda()
superfamilyChalicotherioideaGill 1872
familyChalicotheriidaeGill 1872
subfamilySchizotheriinae
genusAncylotheriumGaudry 1863
specieshellenicum

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.

Ancylotherium hellenicum Koufos 2012
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Diagnosis
ReferenceDiagnosis
G. D. Koufos 2012Small size; elongated skull; well-developed post-orbital process with open supra-orbital foramen; mesial margin of the orbit above the distal margin of the M3; stout and shallow zygomatic arc; elongated, oval-shaped and parallel to the nasals preorbital fossa; narrow and deep palate; elliptical and wide choanae with their mesial border well behind the M3; elongated, low and narrow snout; shallow mandibular corpus with increased depth distally and straight ventral border; no ventral expansion in the mandibular angle; strong cingulum in the teeth; short tooth rows; decreased M3/m3.