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Chonecetus

Description

Chonecetus is an extinct genus of primitive baleen whale of the family Aetiocetidae that lived in the Oligocene period. Its fossils have been found in Canada, in the northeast Pacific. It was first named by L.S. Russell in 1968, and contains one species, C. sookensis.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4832525https://www.gbif.org/species/4832525
PaleoBioDB ID (PBDB)36694https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=36694
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Cetacea : Hapalodectidae : Chonecetus
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Cetacea : Aetiocetidae : Chonecetus
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
suborderMysticetiCope 1891
familyAetiocetidaeEmlong 1966
genusChonecetusRussell 1968
Scientific NameChonecetus Russell, 1968
Name Published InCan. J. Earth Sci. 5
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Chonecetusgenusbelongs to Archaeocetistated without evidenceRussell, 1968
Chonecetusgenusbelongs to Cetaceastated without evidenceWhitmore and Sanders, 1977
Chonecetusgenusbelongs to CetaceaimpliedCarroll, 1988
Chonecetusgenusbelongs to Chonecetinaestated without evidenceBarnes et al., 1995
Chonecetusgenusbelongs to CetaceaimpliedMcKenna and Bell, 1997
Chonecetusgenusbelongs to Aetiocetidaestated without evidenceKimura and Ozawa, 2002
Chonecetusgenusbelongs to Cetaceasecond handSepkoski, 2002
Chonecetusgenusbelongs to Chonecetinaestated without evidenceGeisler and Sanders, 2003
Chonecetusgenusbelongs to Aetiocetidaestated without evidenceSteeman, 2007
Chonecetusgenusbelongs to Aetiocetidaestated with evidenceBoessenecker and Fordyce, 2015
Chonecetusgenusbelongs to Aetiocetidaestated without evidenceFordyce and Marx, 2016
Chonecetusgenusbelongs to Aetiocetidaestated with evidenceFordyce and Marx, 2018
Status (PBDB)extinct
Taxon Size (PBDB)4
First Recorded Appearance28.1 - 23.0 Ma
Cenozoic
Last Recorded Appearance28.1 - 23.0 Ma
Cenozoic
Environmentmarine (based on Mysticeti)
Motilityactively mobile (based on Cetacea)
Dietcarnivore, suspension feeder (based on Mysticeti)
Reproductionviviparous (based on Cetacea)
Ontogenymodification of parts (based on Cetacea)
Taphonomyhydroxylapatite (based on Mysticeti)
Primary Reference (PBDB)L. S. Russell. 1968. A new cetacean from the Oligocene Sooke Formation of Vancouver Island, British Colombia. Canadian Journal of Earth Science 5:929-933
Wikipediahttps://en.wikipedia.org/wiki/Chonecetus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Aetiocetus tomitai
species
accepted (GBIF)
listed (PBDB)
128.1 Ma
Oligocene
28.1 Ma
Oligocene
Chonecetus sookensis
species
accepted (GBIF)
listed (PBDB)
128.1 Ma
Oligocene
28.1 Ma
Oligocene
Morawanocetus yabukii
species
accepted (GBIF)
listed (PBDB)
128.1 Ma
Oligocene
28.1 Ma
Oligocene

Synonymy List

YearName and Author
1968Chonecetus Russell p. 929
1977Chonecetus Whitmore and Sanders p. 305
1988Chonecetus Carroll
1995Chonecetus Barnes et al.
1995Morawanocetus Barnes et al.
1997Chonecetus McKenna and Bell p. 368
2002Chonecetus Kimura and Ozawa
2002Chonecetus Sepkoski, Jr.
2003Chonecetus Geisler and Sanders p. 27
2006Chonecetus Bouetel and Muizon p. 383
2007Chonecetus Steeman p. 880
2008Chonecetus Uhen p. 445 figs. Table 1
2008Morawanocetus Uhen p. 445 figs. Table 1
2008Chonecetus Uhen et al. p. 611
2010Chonecetus Fitzgerald p. 370 figs. Table 1
2010Morawanocetus Fitzgerald p. 370 figs. Table 1
YearName and Author
2011Chonecetus Geisler et al. p. 6 figs. Table 1
2015Chonecetus Boessenecker and Fordyce figs. Table 1
2015Chonecetus Marx and Fordyce figs. Figure 2
2015Morawanocetus Marx and Fordyce figs. Figure 2
2015Morawanocetus Tsai and Ando
2016Chonecetus Fordyce and Marx p. 114 figs. Fig. 4
2016Morawanocetus Fordyce and Marx p. 114 figs. Fig. 4
2016Chonecetus Marx et al. p. 105
2016Morawanocetus Marx et al. p. 105
2017Chonecetus Berta p. 166
2017Morawanocetus Berta p. 166
2017Chonecetus Hernández Cisneros et al. p. 156
2017Chonecetus Tsai and Kohno figs. Table 1
2017Morawanocetus Tsai and Kohno
2018Chonecetus Fordyce and Marx p. 5 figs. Fig. 4

References

Russell L. S. (1968) A new cetacean from the Oligocene Sooke Formation of Vancouver Island, British Colombia, Canadian Journal of Earth Science 5, 929-933
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
Barnes L. G., Kimura M., et al (1995) Classification and distribution of Oligocene Aetiocetidae (Mammalia; Cetacea; Mysticeti) from western North America and Japan, The Island Arc 3 4, 392-431
McKenna M. C., Bell S. K. (1997) , Classification of Mammals Above the Species Level, 1-640
Kimura T., Ozawa T. (2002) A new cetothere (Cetacea: Mysticeti) from the early Miocene of Japan, Journal of Vertebrate Paleontology 22 3, 684-702
Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560
Bouetel V., Muizon C. (2006) The anatomy and relationships of Piscobalaena nanna (Cetacea, Mysticeti), a Cetotheriidae s.s. from the early Pliocene of Peru, Geodiversitas 28 2, 319-395
Steeman M. E. (2007) Cladistic analysis and a revised classification of fossil and recent mysticetes, Zoological Journal of the Linnean Society 150, 875-894
Uhen M. D. (2008) A new Xenorophus-like odontocete cetacean form the Oligocene of North Carolina and a discussion of the basal odontocete radiation, Journal of Systematic Palaeontology 6 4, 433-452 doi:10.1017/S1477201908002472
Uhen M. D., Fordyce R. E., et al (2008) Mysticeti, Evolution of Tertiary Mammals of North America II, 607-628
Fitzgerald E. M. G. (2010) The morphology and systematics of Mammalodon colliveri (Cetacea: Mysticeti), a toothed mysticete from the Oligocene of Australia, Zoological Journal of the Linnean Society 158, 367-476
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
Boessenecker R. W., Fordyce R. E. (2015) A new genus and species of eomysticetid (Cetacea: Mysticeti) and a reinterpretation of ‘Mauicetus’ lophocephalus Marples, 1956: Transitional baleen whales from the upper Oligocene of New Zealand, Zoological Journal of the Linnean Society doi:10.1111/zoj.12297
Marx F. G., Fordyce R. E. (2015) Baleen boom and bust: a synthesis of mysticete phylogeny, diversity and disparity, Royal Society Open Science 2, 140434 doi:10.1098/rsos.140434
Tsai C.-H., Ando T. (2015) Niche Partitioning in Oligocene Toothed Mysticetes (Mysticeti: Aetiocetidae), Journal of Mammalian Evolution doi:10.1007/s10914-015-9292-y
Fordyce R. E., Marx F. G. (2016) Mysticetes baring their teeth: a new fossil whale, Mammalodon hakataramea, from the Southwest Paci c, Memoirs of Museum Victoria 74, 107-116
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
Hernández Cisneros A. E., González Barba G., et al (2017) Oligocene cetaceans from Baja California Sur, Mexico, Boletín de la Sociedad Geológica Mexicana 69 1, 149-173
Tsai C.-H., Kohno N. (2017) Multiple origins of gigantism in stem baleen whales, The Science of Nature 103 89 doi:10.1007/s00114-016-1417-5
Fordyce R. E., Marx F. G. (2018) Gigantism Precedes Filter Feeding in Baleen Whale Evolution, Current Biology 28, 1-7 doi:10.1016/j.cub.2018.04.027
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
Can. J. Earth Sci. 5 - 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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