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Hemimastodon

Description

Hemimastodon ("half mastodont") is an extinct genus of proboscidea from the Late Miocene deposits of the Dera Bugti Beds in Pakistan.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4830697https://www.gbif.org/species/4830697
PaleoBioDB ID (PBDB)157613https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=157613
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Proboscidea : Hemimastodon
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Proboscidea : Hemimastodon
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
orderProboscidea
suborderElephantiformesTassy 1988
genusHemimastodonPilgrim 1913
Scientific NameHemimastodon Pilgrim, 1913
Name Published InPal. Ind., (N. S.) 4, no. 2
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Hemimastodonsubgenusbelongs to Tetrabelodonstated without evidenceOsborn, 1936
Hemimastodongenusbelongs to Elephantiformesstated without evidenceShoshani and Tassy, 1996
Hemimastodongenusbelongs to Hemimastodontidaestated without evidenceMcKenna and Bell, 1997
Hemimastodongenusbelongs to Elephantiformesstated without evidenceShoshani and Tassy, 2005
Status (PBDB)extinct
Taxon Size (PBDB)3
First Recorded Appearance23.0 - 16.0 Ma
Miocene
Last Recorded Appearance23.0 - 16.0 Ma
Miocene
Environmentterrestrial (based on Eutheria)
Motilityactively mobile (based on Osteichthyes)
Dietgrazer, browser (based on Proboscidea)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)J. Shoshani and P. Tassy. 2005. Advances in proboscidean taxonomy & classification, anatomy & physiology, and ecology & behavior. Quaternary International 126-128:5-20
Wikipediahttps://en.wikipedia.org/wiki/Hemimastodon

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Hemimastodon annectens
species
listed (PBDB)123.0 Ma
Miocene
23.0 Ma
Miocene
Tetrabelodon (Hemimastodon) crepusculi
species
listed (PBDB)
Tetrabelodon crepusculi
species
accepted (GBIF)No associated record in PBDB

Synonymy List

YearName and Author
1912Hemimastodon Pilgrim
1936Tetrabelodon (Hemimastodon) Osborn p. 271
1996Hemimastodon Shoshani and Tassy p. 352
1997Hemimastodon McKenna and Bell p. 499
2005Hemimastodon Shoshani and Tassy p. 9 figs. Table 2

References

Shoshani J., Tassy P. (2005) Advances in proboscidean taxonomy & classification, anatomy & physiology, and ecology & behavior, Quaternary International 126-128, 5-20
Shoshani J., Tassy P. (1996) Summary, conclusions, and a glimpse into the future, in J. Shoshani and P. Tassy, eds., The Proboscidea: Evolution and Palaeoecology of Elephants and Their Relatives, 335-348
McKenna M. C., Bell S. K. (1997) , Classification of Mammals Above the Species Level, 1-640
NZ cross ref or inferred from publ. title - 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
Pal. Ind., (N. S.) 4, no. 2 - 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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