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Odobenus rosmarus

Taxonomy

Phoca rosmarus was named by Linnaeus (1758). It is extant. Its type specimen is none designated.

It was recombined as Trichechus rosmarus by Linnaeus (1766), Nilsson (1847), Gray (1850), Gray (1866), Vanden Broeck (1874), Lydekker (1885), Trouessart (1898), Trouessart (1904) and Turner (1912); it was recombined as Rosmarus rosmarus by Gill (1866); it was recombined as Odobaenus rosmarus by Allen (1880); it was recombined as Odobenus rosmarus by Brisson (1762), Hay (1902), Thomas (1911), Hay (1930), Scheffer and Rice (1963), Kardas (1965), Van Der Feen (1968), Fay (1985), Demere (1994), Demere et al. (2003) and Boessenecker and Churchill (2013).

Sister species

O. mandanoensis

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Synonyms

Odobenotherium lartetianum was named by Gratiolet (1858) [no type specimen number is listed by Gratiolet 1858].

It was synonymized subjectively with Trichechus rosmarus by Trouessart (1898) and Trouessart (1904); it was synonymized subjectively with Odobenotherium virginianum by Kellogg (1922).
Hemicaulodon effodiens was named by Cope (1869) [no type specimen number listed, probably in the MCZ. Ray (1975) states that he was unable to locate the holotype as of his publication at ANSP, AMNH, USNM, NJSM, YPM, PU, or Rutgers.]. It is not a trace fossil.

It was synonymized subjectively with Odobenus rosmarus by Ray (1975).
Trichechus virginianus was named by Dekay (1842). It is not extant.

It was recombined as Odobenotherium virginianum by Kellogg (1922); it was synonymized subjectively with Odobenus rosmarus by Demere (1994).
Odobenus virginianus was named by De Kay (1842).

It was synonymized subjectively with Trichechus rosmarus by Trouessart (1904); it was synonymized subjectively with Odobenus rosmarus by Demere (1994).
Trichechus orientalis was named by Dybowski (1922). It is extant.

It was synonymized subjectively with Odobenus rosmarus by Fay (1985).

Synonymy list

Year	Name and author
1758	Phoca rosmarus Linnaeus p. 38
1762	Odobenus rosmarus Brisson p. 30
1766	Trichechus rosmarus Linnaeus
1772	Phoca rosmarus Brunnich p. 34
1842	Odobenus virginianus De Kay
1842	Trichechus virginianus Dekay p. 56 figs. Plate 19, Figs 1 a, b
1847	Trichechus rosmarus Nilsson p. 318
1850	Trichechus rosmarus Gray p. 32
1858	Odobenotherium lartetianum Gratiolet p. 624
1866	Rosmarus rosmarus Gill p. 7
1866	Trichechus rosmarus Gray p. 36
1869	Hemicaulodon effodiens Cope p. 191 figs. Plate XI, Fig. 6
1869	Hemicaulodon effodiens Leidy p. 440
1874	Trichechus rosmarus Vanden Broeck p. 198
1880	Odobaenus rosmarus Allen p. 147
1885	Trichechus rosmarus Lydekker p. 197
1885	Hemicaulodon effodiens Woodward p. 424
1898	Trichechus rosmarus Trouessart p. 375
1898	Hemicaulodon effodiens Trouessart p. 1006
1902	Hemicaulodon effodiens Hay p. 583
1902	Odobenus rosmarus Hay p. 784
1902	Odobenus virginianus Hay p. 784
1903	Hemicaulodon effodiens Rhoads p. 246
1904	Trichechus rosmarus Trouessart p. 281
1904	Hemicaulodon effodiens Trouessart p. 751
1911	Odobenus rosmarus Thomas p. 134
1912	Trichechus rosmarus Turner p. 163
1922	Trichechus orientalis Dybowski p. 351
1922	Odobenotherium virginianum Kellogg p. 104
1930	Odobenus rosmarus Hay p. 559
1930	Odobenus virginianus Hay p. 560
1930	Hemicaulodon effodiens Hay p. 657
1963	Odobenus rosmarus Scheffer and Rice p. 3
1965	Odobenus rosmarus Kardas p. 376
1968	Odobenus rosmarus Van Der Feen p. 24
1985	Odobenus rosmarus Fay p. 1
1994	Odobenus rosmarus Demere p. 121
2003	Odobenus rosmarus Demere et al. p. 49 figs. Fig. 3.3
2013	Odobenus rosmarus Boessenecker and Churchill p. 10 fig. 8

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