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Masracetus markgrafi

Mammalia - Cetacea - Basilosauridae

Taxonomy
Masracetus markgrafi was named by Gingerich (2007). Its type specimen is SMNS 11414, a set of vertebrae (lumbar vertebrae), and it is a 3D body fossil. Its type locality is Dimeh, which is in a Priabonian offshore sandstone in the Birket Qarun Formation of Egypt.

Synonymy list
YearName and author
2007Masracetus markgrafi Gingerich p. 375
2011Masracetus markgrafi Schouten p. 18
2013Masracetus markgrafi El-kheir et al. p. 462
2017Masracetus markgrafi Martínez-Cáceres et al. p. 15
2018Masracetus markgrafi Uhen
2020Masracetus markgrafi Zalmout et al. p. 128

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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
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Whippomorpha
orderCetacea
—Pelagiceti
familyBasilosauridae
genusMasracetus
speciesmarkgrafi

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.

†Masracetus markgrafi Gingerich 2007
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Diagnosis
ReferenceDiagnosis
M. Martínez-Cáceres et al. 2017Large basilosaurid lacking the vertebral elongation observed in Basilosaurus. Masracetus is slightly larger than Cynthiacetus with a lower lumbar length-to-width ratio Llum/Wlum (Gingerich 2007).