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Brachydelphis

Description

Brachydelphis is a genus of pontoporiid known from the Late Miocene Pisco Formation of Peru and the Bahía Inglesa Formation of Chile.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4832654https://www.gbif.org/species/4832654
PaleoBioDB ID (PBDB)36685https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=36685
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Cetacea : Iniidae : Brachydelphis
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Cetacea : Pontoporiidae : Brachydelphis
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
superfamilyInioideade Muizon 1988
familyPontoporiidaeGray 1870
genusBrachydelphisMuizon 1988
Scientific NameBrachydelphis Muizon, 1988
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Brachydelphisgenusbelongs to Brachydelphinaestated without evidencede Muizon, 1988
Brachydelphisgenusbelongs to Pontoporiidaestated without evidenceBenton, 1993
Brachydelphisgenusbelongs to Brachydelphinaestated without evidenceCozzuol, 1996
Brachydelphisgenusbelongs to PontoporiidaeimpliedMcKenna and Bell, 1997
Brachydelphisgenusbelongs to Brachydelphinaestated without evidenceFordyce and de Muizon, 2001
Brachydelphisgenusbelongs to Pontoporiidaestated without evidenceHamilton et al., 2001
Brachydelphisgenusbelongs to Cetaceasecond handSepkoski, 2002
Brachydelphisgenusbelongs to Platanistoideastated without evidenceGeisler and Sanders, 2003
Brachydelphisgenusbelongs to Brachydelphidaestated without evidenceCozzuol, 2010
Brachydelphisgenusbelongs to Inioideastated without evidenceGeisler et al., 2011
Brachydelphisgenusbelongs to Pontoporiidaestated without evidenceGeisler et al., 2012
Brachydelphisgenusbelongs to Pontoporiidaestated with evidenceMarx et al., 2016
Brachydelphisgenusbelongs to Pontoporiidaestated without evidenceBerta, 2017
Status (PBDB)extinct
Taxon Size (PBDB)3
First Recorded Appearance16.0 - 11.6 Ma
Miocene
Last Recorded Appearance7.25 - 5.33 Ma
Miocene
Environmentmarine,freshwater (based on Odontoceti)
Motilityactively mobile (based on Cetacea)
Dietcarnivore (based on Odontoceti)
Reproductionviviparous (based on Odontoceti)
Ontogenymodification of parts (based on Cetacea)
Taphonomyhydroxylapatite (based on Odontoceti)
Primary Reference (PBDB)C. Muizon. 1988. Les vertebres fossiles de la Formation Pisco (Perou). Troisieme partie: Les Odontocetes (Cetacea, Mammalia) du Miocene. Editions Recherche sur les Civilisations (78):1-244
Wikipediahttps://en.wikipedia.org/wiki/Brachydelphis

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Brachydelphis jahuayensis
species
doubtful (GBIF)
listed (PBDB)
411.6 Ma
Miocene
11.6 Ma
Miocene
Brachydelphis mazeasi
species
accepted (GBIF)
listed (PBDB)
513.8 Ma
Miocene
7.25 Ma
Miocene

Synonymy List

YearName and Author
1988Brachydelphis Muizon pp. 108-127 figs. 52-65
1988Brachydelphis de Muizon p. 162
1993Brachydelphis Benton p. 762
1996Brachydelphis Cozzuol p. 326
1997Brachydelphis McKenna and Bell p. 386
2001Brachydelphis Fordyce and de Muizon p. 179
2001Brachydelphis Hamilton et al. p. 554
2002Brachydelphis Sepkoski, Jr.
YearName and Author
2003Brachydelphis Geisler and Sanders p. 28
2009Brachydelphis Gutstein et al. p. 507
2010Brachydelphis Cozzuol p. 199
2011Brachydelphis Geisler et al. p. 6 figs. Table 1
2012Brachydelphis Geisler et al. p. 207 figs. Figure 7
2016Brachydelphis Marx et al. p. 133
2017Brachydelphis Berta p. 164

References

Muizon C. (1988) Les vertebres fossiles de la Formation Pisco (Perou). Troisieme partie: Les Odontocetes (Cetacea, Mammalia) du Miocene, Editions Recherche sur les Civilisations 78, 1-244
de Muizon C. (1988) Les relations phylogenetiques des Delphinida (Cetacea, Mammalia), Annales de Paleontologie 74 4, 159-227
Benton M. J. (1993) , The Fossil Record 2, 1-845
Cozzuol M. A. (1996) The record of aquatic mammals in southern South America, Munchner Geowissenshaftliche Abhandlungen. A, Geoligie und Palaontologie 30, 321-342
McKenna M. C., Bell S. K. (1997) , Classification of Mammals Above the Species Level, 1-640
Fordyce R. E., de Muizon C. (2001) Evolutionary history of the cetaceans: a review, Secondary Adaptations of Tetrapods to Life in the Water, 169-233
Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560
Gutstein C. S., Cozzuol M. A., et al (2009) Patterns of skull variation of Brachydelphis (Cetacea, Odontoceti) from the Neogene of the Southeastern Pacific, Journal of Mammalogy 90 2, 504-519
Cozzuol M. A. (2010) Fossil record and the evolutionary history of Iniodea, Biology, Evolution, and Conservation of River Dolphins within South America and Asia, 193-217
Geisler J. H., McGowen M. R., et al (2011) A supermatrix analysis of genomic, morphological, and paleontological data from crown Cetacea, BMC Evolutionary Biology 11 112, 1-33
Geisler J. H., Godfrey S. J., et al (2012) A new genus and species of late Miocene inioid (Cetacea, Odontoceti) from the Meherrin River, North Carolina, U.S.A., Journal of Vertebrate Paleontology 32 1, 198-211
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
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
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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