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Platyosphys ✝

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Description

Platyosphys is a genus of basilosaurine basilosaurid from Middle Eocene (Bartonian) of the eastern United States, Western Sahara, and Ukraine.

From Wikipedia article at https://en.wikipedia.org/wiki/Platyosphys, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4832522	https://www.gbif.org/species/4832522
PaleoBioDB ID (PBDB)	36815	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=36815

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Chordata : Mammalia : Cetacea : Hapalodectidae : Platyosphys

Taxonomy (PBDB)

Life : Animalia : Chordata : Mammalia : Cetacea : Basilosauridae : Platyosphys

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Triploblastica	Lankester 1877
-	Nephrozoa	Jondelius et al. 2002
-	Deuterostomia	Grobben 1908
phylum	Chordata	Haeckel 1847
subphylum	Vertebrata	Lamarck 1801
superclass	Gnathostomata	Gegenbauer 1874
-	Osteichthyes
-	Sarcopterygii	Romer 1955
subclass	Dipnotetrapodomorpha
subclass	Tetrapodomorpha
-	Tetrapoda
-	Reptiliomorpha	Säve-Söderbergh 1934
-	Anthracosauria	Säve-Söderbergh 1934
-	Batrachosauria
-	Cotylosauria
-	Amniota	Haeckel 1866
-	Synapsida	Osborn 1903
-	Therapsida
infraorder	Cynodontia
-	Epicynodontia	Hopson and Kitching 2001
infraorder	Eucynodontia	Kemp 1982
-	Probainognathia	Hopson 1990
-	Mammaliamorpha	Rowe 1988
-	Mammaliaformes	Rowe 1988
class	Mammalia	Linnaeus 1758
order	Cetacea	Brisson 1762
-	Pelagiceti	Uhen 2008
family	Basilosauridae	Cope 1867
genus	Platyosphys	Kellogg 1936

Scientific Name

Platyosphys Kellogg, 1936

Name Published In

Publ. Carneg. Instn., no. 482

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Platyosphys	genus	belongs to Basilosauridae	stated without evidence	Kellogg, 1936
Platyosphys	genus	belongs to Prozeuglodontidae	stated without evidence	Moustafa, 1954
Platyosphys	genus	belongs to Zeuglodontidae	stated without evidence	Mchedlidze, 1970
Platyosphys	genus	belongs to Archaeoceti	stated without evidence	Whitmore and Sanders, 1977
Platyosphys	genus	belongs to Basilosauridae	implied	Carroll, 1988
Platyosphys	genus	belongs to Archaeoceti	implied	McKenna and Bell, 1997
Platyosphys	genus	belongs to Zeuglodontidae	stated without evidence	Gritsenko, 2001
Platyosphys	genus	belongs to Cetacea	second hand	Sepkoski, 2002
Platyosphys	genus	belongs to Cetacea	stated without evidence	Fordyce, 2003
Platyosphys	genus	belongs to Protocetidae	stated without evidence	van Vliet, 2004
Platyosphys	genus	nomen dubium Cetacea	stated without evidence	Uhen and Pyenson, 2007
Platyosphys	genus	nomen dubium Basilosauridae	stated without evidence	Goldin and Zvonok, 2013
Platyosphys	genus	belongs to Basilosauridae	stated without evidence	Gingerich and Zouhri, 2015

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

56.0 - 38.0 Ma
Eocene

Last Recorded Appearance

38.0 - 33.9 Ma
Paleogene

Environment

marine (based on Cetacea)

Motility

actively mobile (based on Cetacea)

Diet

carnivore (based on Cetacea)

Reproduction

viviparous (based on Cetacea)

Ontogeny

modification of parts (based on Cetacea)

Taphonomy

hydroxylapatite (based on Cetacea)

Primary Reference (PBDB)

R. Kellogg. 1936. A Review of the Archaeoceti. Carnegie Institution of Washington 482:1-366

Wikipedia

https://en.wikipedia.org/wiki/Platyosphys

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Platyosphys aithai ✝ species	accepted (GBIF) listed (PBDB)	1	41.3 Ma Eocene	41.3 Ma Eocene
Platyosphys einori ✝ species	accepted (GBIF) listed (PBDB)	1	56.0 Ma Paleocene	56.0 Ma Paleocene
Zeuglodon paulsonii ✝ species	accepted (GBIF) listed (PBDB)	4	38.0 Ma Eocene	38.0 Ma Eocene

Synonymy List

Year	Name and Author
1936	Platyosphys Kellogg p. 97
1945	Platyosphys Simpson p. 100
1954	Platyosphys Moustafa p. 87
1970	Platyosphys Mchedlidze p. 51
1977	Platyosphys Whitmore and Sanders p. 305
1988	Platyosphys Carroll
1997	Platyosphys McKenna and Bell p. 369

Year	Name and Author
2001	Platyosphys Gritsenko p. 18
2002	Platyosphys Sepkoski, Jr.
2003	Platyosphys Fordyce p. 162
2004	Platyosphys van Vliet p. 143
2015	Platyosphys Gingerich and Zouhri p. 279
2017	Platyosphys Berta p. 159

References

Kellogg R. (1936) A Review of the Archaeoceti, Carnegie Institution of Washington 482, 1-366

Simpson G. G. (1945) The principles of classification and a classification of mammals, Bulletin of the American Museum of Natural History 85, 1-350

Mchedlidze G. A. (1970) , Nekotorye obschie cherty istorii kitoobraznykh. Chast I, 1-111

Whitmore F. C., Sanders A. E. (1977) Review of the Oligocene Cetacea, Systematic Zoology 25, 304-320

Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698

McKenna M. C., Bell S. K. (1997) , Classification of Mammals Above the Species Level, 1-640

Gritsenko V. (2001) New species Platiosphys [Platyosphys] einori (Archaeoceti) from Oligocenic deposits of Kyiv, Visnyk Heolohila Kyivskyi Natsionalyi Universytet Imeni Tarasa Shevchenka 20, 17-20

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560

van Vliet H. J. (2004) Wadi Hitan, het dal der walvissen over oerwalvissen in Egypte en de evolutie der walvissen, Grondboor & Hamer 6, 141-147

Gingerich P. D., Zouhri S. (2015) New fauna of archaeocete whales (Mammalia, Cetacea) from the Bartonian middle Eocene of southern Morocco, Journal of African Earth Sciences 111, 273-286 doi:10.1016/j.jafrearsci.2015.08.006

Berta A. (2017) , The Rise of Marine Mammals: 50 Million Years of Evolution, 1-198

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

SN2000/McKenna & Bell, 1997 - via The Interim Register of Marine and Nonmarine Genera

SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - via The Interim Register of Marine and Nonmarine Genera

Sepkoski, J. J., Jr. (2002). A compendium of fossil marine animal genera. Bulletins of American Paleontology. 363, 1-560. - via The Interim Register of Marine and Nonmarine Genera

Publ. Carneg. Instn., no. 482 - 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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