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Hypsamasia

Description

Hypsamasia is an extinct embrithopod mammal that lived during the middle Eocene. Dental remains of this herbivore have been found in the Kartal Formation near the village Saribeylar (40.1°N 32.7°E / 40.1; 32.7, paleocoordinates 38.2°N 28.2°E / 38.2; 28.2) north of Ankara in what is today Anatolia.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4832892https://www.gbif.org/species/4832892
PaleoBioDB ID (PBDB)134681https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=134681
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Palaeoamasidae : Hypsamasia
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Embrithopoda : Arsinoitheriidae : Hypsamasia
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
subclassTribosphenida
infraclassEutheria
-PlacentaliaOwen 1837
-AfrotheriaStanhope et al. 1998
-TethytheriaMcKenna 1975
orderEmbrithopoda
familyArsinoitheriidaeAndrews 1904
subfamilyPalaeoamasiinaeSen and Heintz 1979
genusHypsamasiaMaas Thewissen & Kappelman 1998
Scientific NameHypsamasia Maas, Thewissen & Kappelman, 1998
Name Published InBull Carnegie Mus Nat Hist 34, 29 January
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Hypsamasiagenusbelongs to Palaeoamasiinaestated with evidenceMaas et al., 1998
Status (PBDB)extant
Taxon Size (PBDB)2
Extant Size (PBDB)1 (50%)
First Recorded Appearance47.8 - 41.3 Ma
Eocene
Environmentterrestrial (based on Eutheria)
Motilityactively mobile (based on Osteichthyes)
Dietinsectivore (based on Mammaliaformes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)M. C. Maas, J. G. M. Thewissen, and J. Kappelman. 1998. Hypsamasia seni (Mammalia: Embrithopoda) and other mammals from the Eocene Kartal Formation of Turkey. Bulletin of the Carnigie Museum of Natural History 34:286-297
Wikipediahttps://en.wikipedia.org/wiki/Hypsamasia

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Hypsamasia seni
species
accepted (GBIF)
listed (PBDB)
147.8 Ma
Eocene
47.8 Ma
Eocene

Synonymy List

YearName and Author
1998Hypsamasia Maas et al. p. 288 figs. Fig. 2, 3
2016Hypsamasia Erdal et al.

References

Maas M. C., Thewissen J. G. M., et al (1998) Hypsamasia seni (Mammalia: Embrithopoda) and other mammals from the Eocene Kartal Formation of Turkey, Bulletin of the Carnigie Museum of Natural History 34, 286-297
Erdal O., Antoine P.-O., et al (2016) New material of Palaeoamasia kansui (Embrithopoda, Mammalia) from the Eocene of Turkey and a phylogenetic analysis of Embrithopoda at the species level, Palaeontology 59 5, 631-655
GBIF/Paleo Database - via The Interim Register of Marine and Nonmarine Genera
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
Bull Carnegie Mus Nat Hist 34, 29 January - 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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