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Plesiocetopsis
Taxonomy
Cetotherium (Plesiocetopsis) was named by Brandt (1873) [Sepkoski's age data: T Mi-u T Plio-l]. It was considered monophyletic by Canto et al. (2010).
It was synonymized subjectively with Cetotherium by Lydekker (1887); it was Plesiocetus (Plesiocetopsis) by True (1912); it was synonymized subjectively with Plesiocetus by McKenna and Bell (1997); it was reranked as Plesiocetopsis by Kellogg (1928), Hay (1930), Kellogg (1931), Simpson (1945), Carroll (1988), Sepkoski (2002), Whitmore and Barnes (2008), Canto et al. (2010), Steeman (2010), Gol'din and Steeman (2015) and Berta (2017).
It was assigned to Cetotherium by Brandt (1873), Trouessart (1904) and Palmer (1904); to Plesiocetus by True (1912); to Physeteridae by Carroll (1988); to Cetacea by Sepkoski (2002); to Cetotheriidae by Kellogg (1928), Hay (1930), Kellogg (1931), Simpson (1945), Whitmore and Barnes (2008) and Canto et al. (2010); to Diorocetidae by Steeman (2010); and to Tranatocetidae by Gol'din and Steeman (2015) and Berta (2017).
It was synonymized subjectively with Cetotherium by Lydekker (1887); it was Plesiocetus (Plesiocetopsis) by True (1912); it was synonymized subjectively with Plesiocetus by McKenna and Bell (1997); it was reranked as Plesiocetopsis by Kellogg (1928), Hay (1930), Kellogg (1931), Simpson (1945), Carroll (1988), Sepkoski (2002), Whitmore and Barnes (2008), Canto et al. (2010), Steeman (2010), Gol'din and Steeman (2015) and Berta (2017).
It was assigned to Cetotherium by Brandt (1873), Trouessart (1904) and Palmer (1904); to Plesiocetus by True (1912); to Physeteridae by Carroll (1988); to Cetacea by Sepkoski (2002); to Cetotheriidae by Kellogg (1928), Hay (1930), Kellogg (1931), Simpson (1945), Whitmore and Barnes (2008) and Canto et al. (2010); to Diorocetidae by Steeman (2010); and to Tranatocetidae by Gol'din and Steeman (2015) and Berta (2017).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1873 | Cetotherium (Plesiocetopsis) Brandt p. 143 |
| 1904 | Cetotherium (Plesiocetopsis) Palmer p. 548 |
| 1904 | Cetotherium (Plesiocetopsis) Trouessart p. 780 |
| 1912 | Plesiocetus (Plesiocetopsis) True p. 3 |
| 1928 | Plesiocetopsis Kellogg p. 35 figs. Table 1 |
| 1930 | Plesiocetopsis Hay p. 572 |
| 1931 | Plesiocetopsis Kellogg p. 314 |
| 1945 | Plesiocetopsis Simpson p. 104 |
| 1988 | Plesiocetopsis Carroll |
| 2002 | Plesiocetopsis Sepkoski |
| 2008 | Plesiocetopsis Whitmore and Barnes p. 144 |
| 2010 | Plesiocetopsis Canto et al. p. 22 |
| 2010 | Plesiocetopsis Steeman p. 71 |
| 2015 | Plesiocetopsis Gol'din and Steeman p. 6 |
| 2017 | Plesiocetopsis Berta p. 168 |
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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.
G. †Plesiocetopsis Brandt 1873
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†Plesiocetopsis hupschii Van Beneden 1859
†Plesiocetopsis occidentalis Kellogg 1925
Diagnosis
No diagnoses are available