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Australodelphis mirus

Description

Australodelphis mirus is an extinct Pliocene dolphin. A. mirus is known from fossils found in the Sørsdal Formation, Mule Peninsula, Vestfold Hills, East Antarctica. The genus has been described as an example of convergent evolution with beaked whales.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4971225https://www.gbif.org/species/4971225
PaleoBioDB ID (PBDB)62937https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=62937
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Cetacea : Delphinidae : Australodelphis : Australodelphis mirus
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Cetacea : Delphinidae : Australodelphis : Australodelphis mirus
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
-NeocetiFordyce and de Muizon 2001
suborderOdontocetiFlower 1867
infraorderDelphinidaMuizon 1984
superfamilyDelphinoideaFlower 1865
familyDelphinidaeGray 1821
genusAustralodelphisFordyce et al. 2002
speciesAustralodelphis mirusFordyce et al. 2002
Generic NameAustralodelphis
Scientific NameAustralodelphis mirus Fordyce et al., 2002
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Australodelphis mirusspeciesbelongs to Australodelphisstated without evidenceFordyce et al., 2002
Australodelphis mirusspeciesbelongs to Australodelphisstated with evidenceMurakami et al., 2014
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance5.33 - 3.60 Ma
Neogene
Last Recorded Appearance5.33 - 3.60 Ma
Neogene
Environmentmarine,freshwater (based on Odontoceti)
Motilityactively mobile (based on Cetacea)
Dietpiscivore, carnivore (based on Delphinidae)
Reproductionviviparous (based on Odontoceti)
Ontogenymodification of parts (based on Cetacea)
Taphonomyhydroxylapatite (based on Odontoceti)
Primary Reference (PBDB)R. E. Fordyce, P.G. Quilty, and J. Daniels. 2002. Australodelphis mirus, a bizarre new toothless ziphiid-like fossil dolphin (Cetacea: Delphinidae) from the Pliocene of Vestfold Hills, East Antarctica. Antarctic Science 14(1):37-54
Wikipediahttps://en.wikipedia.org/wiki/Australodelphis_mirus

Fossil Distribution

Synonymy List

YearName and Author
2002Australodelphis mirus Fordyce et al. pp. 40-49 figs. 2-5
2014Australodelphis mirus Murakami et al. p. 492 figs. Table 1

References

Fordyce R. E., Quilty PG, et al (2002) Australodelphis mirus, a bizarre new toothless ziphiid-like fossil dolphin (Cetacea: Delphinidae) from the Pliocene of Vestfold Hills, East Antarctica., Antarctic Science 14 1, 37-54
Murakami M., Shimada C., et al (2014) Eodelphis kabatensis, a new name for the oldest true dolphin Stenella kabatensis Horikawa, 1977 (Cetacea, Odontoceti, Delphinidae), from the upper Miocene of Japan, and the phylogeny and paleobiogeography of Delphinoidea, Journal of Vertebrate Paleontology 34 3, 491-511 doi:10.1080/02724634.2013.816720
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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