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Odobenidae (walrus)

Mammalia - Carnivora - Odobenidae

Taxonomy
Odobaenidae was named by Allen (1880). It is extant.

It was corrected as Odobenidae by Hay (1902), Kellogg (1922), Weber (1928), Hay (1930), Mitchell (1961), Scheffer and Rice (1963), Repenning and Tedford (1977), Kurten and Anderson (1980), Fay (1985), Carroll (1988), Tomida (1989), Berta et al. (1989), Riedman (1990), Berta (1991), Nowak (1991), Deméré (1994), Berta (1994), Berta (1994), Deméré (1994), Horikawa (1995), Kohno et al. (1995), Rice (1998), Rice (2002), Berta (2002), Deméré et al. (2003), Koretsky and Barnes (2006), Kohno (2006), Barnes (2008), Kohno and Ray (2008), Berta (2009), Rice (2009), Fulton and Strobeck (2010), Boessenecker (2013), Berta (2017), Boessenecker et al. (2018) and Berta (2018).

It was assigned to Phocomorpha by Berta (1994) and Berta (2002); to Pinnipedia by Hay (1930), Berta et al. (1989), Berta (1991), Nowak (1991), Deméré (1994), Berta (1994), Rice (1998) and Deméré et al. (2003); to Carnivora by Deméré (1994) and Kohno (2006); to Phocoidea by Rice (2002) and Rice (2009); to Otarioidea by Mitchell (1961), Scheffer and Rice (1963), Repenning and Tedford (1977), Fay (1985), Carroll (1988), Riedman (1990), Horikawa (1995), Koretsky and Barnes (2006), Barnes (2008) and Fulton and Strobeck (2010); to Pinnipedia by Cope (1889), Hay (1902), Weber (1928), Kurten and Anderson (1980), Tomida (1989) and Boessenecker (2013); and to Pinnipedia by Kellogg (1922), Kohno et al. (1995), Kohno and Ray (2008), Berta (2009), Berta (2017), Boessenecker et al. (2018) and Berta (2018).

Synonyms
Synonymy list
YearName and author
1866Rosmaridae Gill p. 7
1880Odobaenidae Allen p. 5
1889Odobaenidae Cope p. 876
1902Odobenidae Hay p. 783
1922Odobenidae Kellogg p. 101
1928Odobenidae Weber p. 349
1930Odobenidae Hay p. 559
1961Odobenidae Mitchell p. 4
1963Odobenidae Scheffer and Rice p. 3
1977Odobenidae Repenning and Tedford p. 8
1980Odobenidae Kurten and Anderson p. 200
1985Odobenidae Fay p. 1
1988Odobenidae Carroll
1989Odobenidae Berta et al. p. 61 figs. Fig. 3
1989Odobenidae Tomida p. 110
1990Odobenidae Riedman p. 58 figs. Table 2
1991Odobenidae Berta p. 29 figs. Fig. 22
1991Odobenidae Nowak
1994Odobenidae Berta p. 25 figs. Fig. 21
1994Odobenidae Deméré p. 77
1995Odobenidae Horikawa p. 322 figs. Table 4
1995Odobenidae Kohno et al. p. 113
1998Odobenidae Rice
2002Odobenidae Berta p. 923
2002Odobenidae Rice p. 231 figs. Table 1
2003Odobenidae Deméré et al. p. 49 figs. Fig. 3.3
2006Odobenidae Kohno p. 411
2006Odobenidae Koretsky and Barnes p. 144
2008Odobenidae Barnes p. 531
2008Odobenidae Kohno and Ray p. 44
2009Odobenidae Berta p. 863
2009Odobenidae Rice p. 235 figs. Table 1
2010Odobenidae Fulton and Strobeck p. 817 figs. Figure 1
2013Odobenidae Boessenecker p. 824
2017Odobenidae Berta p. 156
2018Odobenidae Berta p. 713 figs. Fig. 2
2018Odobenidae Boessenecker et al. p. 282

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
RankNameAuthor
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
Laurasiatheria
Scrotifera
Ferae()
CarnivoramorphaWyss and Flynn 1993
CarnivoraformesFlynn et al.
orderCarnivoraBowditch 1821
superfamilyArctoideaFlower 1869
Pinnipedimorpha
Pinnipedia()
familyOdobenidae()
familyOdobenidae()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinef
Locomotion: actively mobilec
Life habit: amphibiousf
Diet: insectivoref
Reproduction: viviparousf
Created: 2005-06-08 10:11:09
Modified: 2005-06-08 12:11:09
Source: f = family, c = class, subp = subphylum
References: Nowak 1991, Kohno et al. 1995, Carroll 1988, Hendy et al. 2009, Ji et al. 2002

Age range

Maximum range based only on fossils: base of the Burdigalian to the top of the Holocene or 20.44000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma

Collections (281 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Miocene - Pliocene23.03 - 2.588Netherlands Alachtherium sp., Trichechus huxleyi (53929)
Neogene23.03 - 2.588USA (Georgia) Ontocetus emmonsi (77597)
Neogene23.03 - 2.588USA (Florida) Ontocetus emmonsi (77598 77599)
Burdigalian20.44 - 15.97USA (Oregon) Proneotherium repenningi (18929)
Burdigalian - Langhian20.44 - 13.82USA (California) Pelagiarctos sp. (138432)
Langhian15.97 - 13.82Mexico (Baja California) Neotherium sp., Otariidae indet. (52183)
Langhian15.97 - 13.82Japan (Fukui) Prototaria primigena (59152 59166)
Langhian15.97 - 13.82Japan (Miyagi) Prototaria planicephala (59153)
Langhian15.97 - 13.82USA (California) Neotherium mirum (13297) Neotherium sp. (19595) Pelagiarctos thomasi (59059 59060)
Langhian - Serravallian15.97 - 11.62Russian Federation (Kamchatka) Kamtschatarctos sinelnikovae (59165)
Middle Miocene15.97 - 11.608Japan (Gunma) Neotherium sp. (101827)
Langhian - Tortonian15.97 - 7.246Mexico (Baja California Sur) Neotherium sp., Nanodobenus arandai (57778)
Middle Miocene - Early/Lower Pleistocene15.97 - 0.781Netherlands Odobenus sp., Ontocetus emmonsi (189573)
Serravallian13.82 - 11.62Netherlands Alachterium cretsii (75152)
Serravallian13.82 - 11.62Mexico (Baja California del Norte) Neotherium sp. (57777)
Serravallian13.82 - 11.62USA (California) Imagotaria sp. (46069)
Clarendonian13.6 - 10.3USA (California) Imagotaria downsi, Pontolis magnus (84331)
Tortonian11.62 - 7.246USA (Oregon) Pontoleon magnus (57128) Pontolis magnus (57057)
Tortonian11.62 - 7.246Japan (Hokkaido) Archaeodobenus akamatsui (172573) Pseudotaria muramotoi (61742)
Tortonian11.62 - 7.246USA (California) Desmatophocinae indet. (59982) Dusignathus sp. (52216) Imagotaria downsi (40514 45489 52213 58988 59156 59157 59158 59159 59160 59161 152097 152101) Imagotaria downsi, Desmatophocinae indet. (52184) Imagotaria sp. (13062 52185 52210) Imagotaria sp., Pontolis sp., Dusignathus santacruzensis, Gomphotaria pugnax, Odobenidae indet. (188305) Odobeninae indet. (50069) Pontolis magnus (52212) Pontolis sp., Imagotaria downsi (13300)