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Masracetus

Description

Masracetus (from Arabic Masr, "Egypt", and Greek ketos, "whale") is an extinct genus of basilosaurid ancient whale known from the Late Eocene (Priabonian, 37.2 to 33.9 million years ago) of Egypt.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4970855https://www.gbif.org/species/4970855
PaleoBioDB ID (PBDB)118888https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=118888
Rankgenus
Taxonomy (GBIF,PBDB)Life : Animalia : Chordata : Mammalia : Cetacea : Basilosauridae : Masracetus
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SynapsidaOsborn 1903
-Therapsida
infraorderCynodontia
-EpicynodontiaHopson and Kitching 2001
infraorderEucynodontiaKemp 1982
-ProbainognathiaHopson 1990
-MammaliamorphaRowe 1988
-MammaliaformesRowe 1988
classMammaliaLinnaeus 1758
orderCetaceaBrisson 1762
-PelagicetiUhen 2008
familyBasilosauridaeCope 1867
genusMasracetusGingerich 2007
Scientific NameMasracetus Gingerich, 2007
Name Published InArticle title: Stromerius nidensis, new archaeocete (Mammalia, Cetacea) from the Upper Eocene Qasr el-Sagha Formation, Fayum, Egypt.
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Masracetusgenusbelongs to Basilosauridaestated without evidenceGingerich, 2007
Masracetusgenusbelongs to Dorudontinaestated without evidenceSchouten, 2011
Masracetusgenusbelongs to Basilosauridaestated without evidenceEl-kheir et al., 2013
Masracetusgenusbelongs to DorudontinaeimpliedGao and Ni, 2015
Masracetusgenusbelongs to Basilosauridaestated with evidenceMarx et al., 2016
Masracetusgenusbelongs to Basilosauridaestated without evidenceBerta, 2017
Masracetusgenusbelongs to Basilosauridaestated with evidenceUhen, 2018
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance38.0 - 33.9 Ma
Paleogene
Last Recorded Appearance38.0 - 33.9 Ma
Paleogene
Environmentmarine (based on Cetacea)
Motilityactively mobile (based on Cetacea)
Dietcarnivore (based on Cetacea)
Reproductionviviparous (based on Cetacea)
Ontogenymodification of parts (based on Cetacea)
Taphonomyhydroxylapatite (based on Cetacea)
Primary Reference (PBDB)P. D. Gingerich. 2007. Stromerius nidensis, New Archaeocete (Mammalia, Cetacea) From The Upper Eocene Qasr El-Sagha Formation, Fayum, Egypt. Contributions from the Museum of Paleontology, The University of Michigan 31(13):363-378
Wikipediahttps://en.wikipedia.org/wiki/Masracetus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Masracetus markgrafi
species
accepted (GBIF)
listed (PBDB)
438.0 Ma
Eocene
38.0 Ma
Eocene

Synonymy List

YearName and Author
2007Masracetus Gingerich p. 375
2011Masracetus Martinez-Cáceres and Muizon
2011Masracetus Schouten p. 18
2013Masracetus El-kheir et al. p. 462
2013Masracetus Uhen p. 4 figs. Figure 9
2015Masracetus Gao and Ni p. 156 figs. Table 1
2016Masracetus Marx et al. p. 101
2017Masracetus Berta p. 159
2017Masracetus Martínez-Cáceres et al. p. 11
2018Masracetus Uhen

References

Gingerich P. D. (2007) Stromerius nidensis, New Archaeocete (Mammalia, Cetacea) From The Upper Eocene Qasr El-Sagha Formation, Fayum, Egypt, Contributions from the Museum of Paleontology, The University of Michigan 31 13, 363-378
Martinez-Cáceres M., Muizon C. (2011) A new basilosaurid (Cetacea, Pelagiceti) from the Late Eocene to Early Oligocene Otuma Formation of Peru, Comptes Rendus Palevol 10, 517-526 doi:0.1016/j.crpv.2011.03.006
Schouten S. (2011) De wervels van Basilosauridae: een overzicht van en een vergelijking met raadselachtige vondsten uit de Noordzee, Cranium 28 2, 17-25
El-kheir G. A. A., El Anbaawy M. I., et al (2013) Dentary of Masracetus markgrafi, Archaeocete in the north of Lake Qaroun, Fayoum Egypt, Journal of American Science 9 12, 459-469
Uhen M. D. (2013) A review of North American Basilosauridae, Alabama Museum of Natural History Bulletin 31 2, 1-45
Marx F. G., Lambert O., et al (2016) Cetacean Paleobiology, 1-319
Berta A. (2017) , The Rise of Marine Mammals: 50 Million Years of Evolution, 1-198
Martínez-Cáceres M., Lambert O., et al (2017) The anatomy and phylogenetic affinities of Cynthiacetus peruvianus, a large Dorudon-like basilosaurid (Cetacea, Mammalia) from the late Eocene of Peru, Geodiversitas 39 1, 1-163 doi:10.5252/g2017n1a1
Uhen M. D. (2018) Basilosaurids and Kekenodontids, Encyclopedia of Marine Mammals, 3rd Edition, 78-80
inferred from original work (title) - via The Interim Register of Marine and Nonmarine Genera
refer original publication - via The Interim Register of Marine and Nonmarine Genera
web search (AJR) - via The Interim Register of Marine and Nonmarine Genera
www.organismnames.com (Jul 2012) / web search - via The Interim Register of Marine and Nonmarine Genera
Article title: Stromerius nidensis, new archaeocete (Mammalia, Cetacea) from the Upper Eocene Qasr el-Sagha Formation, Fayum, Egypt. - via The Interim Register of Marine and Nonmarine Genera
Contributions from the Museum of Paleontology University of Michigan 31. - via The Interim Register of Marine and Nonmarine Genera
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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