PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Pseudorca crassidens (false killer whale)

Mammalia - Cetacea - Delphinidae

Taxonomy

Phocaena crassidens was named by Owen (1846) [type specimen lost type specimen lost]. It is extant. Its type locality is Stamford, which is in a Pleistocene marine horizon in the United Kingdom.

It was recombined as Orca crassidens by Gray (1846), Gray (1850), Gray (1864); it was recombined as Delphinus (Phocaena) crassidens by Pictet (1853); it was recombined as Pseudorca crassidens by Reinhardt (1862), Gray (1866), Gray (1868), Gray (1871), Scott (1873), Roger (1887), Newton (1891), Trouessart (1904), Turner (1912), Oliver (1922), Sherman (1952), Scheffer and Rice (1963), Hershkovitz (1966), Barnes (1977), Vidal (1991), Stacey et al. (1994), Rice (1998), Mead and Brownell (2005), Agnarsson and May-Collado (2008), Uhen et al. (2008), Geisler et al. (2011), Perrin et al. (2013), Jefferson (2021).

Synonyms

Orca (Pseudorca) meridionalis was named by Flower (1864). It is extant.

It was recombined as Pseudorca meridionalis by Gray (1866), Gray (1868), Gray (1871), Scott (1873); it was synonymized subjectively with Pseudorca crassidens by Hershkovitz (1966), Mead and Brownell (2005).
Orca meridionalis was named by Flower (1864). It is extant.

It was synonymized subjectively with Pseudorca crassidens by Stacey et al. (1994), Jefferson (2021).
Globicephalus grayi was named by Burmeister (1869). It is extant.

It was recombined as Globiocephalus grayi by Gray (1871); it was recombined as Pseudorca grayi by Ameghino (1889); it was synonymized subjectively with Pseudorca crassidens by Stacey et al. (1994), Jefferson (2021).
Pseudorca mediterranea was named by Giglioli (1882). It is extant.

It was synonymized subjectively with Pseudorca crassidens by Stacey et al. (1994), Jefferson (2021).
Orca destructor was named by Cope (1866). It is extant.

It was synonymized subjectively with Pseudorca crassidens by Hershkovitz (1966), Stacey et al. (1994), Mead and Brownell (2005), Jefferson (2021).

Synonymy list

Year	Name and author
1846	Orca crassidens Gray p. 33
1846	Phocaena crassidens Owen p. 516
1850	Orca crassidens Gray p. 94
1853	Delphinus (Phocaena) crassidens Pictet p. 382
1862	Pseudorca crassidens Reinhardt p. 103 figs. Fig. 1-4
1864	Orca (Pseudorca) meridionalis Flower
1864	Orca meridionalis Flower p. 420
1864	Orca crassidens Gray p. 245
1866	Orca destructor Cope p. 293
1866	Pseudorca crassidens Gray p. 290
1866	Pseudorca meridionalis Gray p. 291
1868	Pseudorca crassidens Gray p. 8
1868	Pseudorca meridionalis Gray p. 8
1869	Globicephalus grayi Burmeister p. 367
1871	Pseudorca crassidens Gray p. 80
1871	Pseudorca meridionalis Gray p. 80
1871	Globiocephalus grayi Gray p. 84
1873	Pseudorca crassidens Scott p. 91
1873	Pseudorca meridionalis Scott p. 92
1882	Pseudorca mediterranea Giglioli p. 268
1887	Pseudorca crassidens Roger p. 25
1889	Pseudorca grayi Ameghino p. 886
1891	Pseudorca crassidens Newton p. 77
1904	Pseudorca crassidens Trouessart p. 770
1912	Pseudorca crassidens Turner p. 113
1922	Pseudorca crassidens Oliver p. 577
1952	Pseudorca crassidens Sherman p. 99
1963	Pseudorca crassidens Scheffer and Rice p. 8
1966	Pseudorca crassidens Hershkovitz p. 79
1977	Pseudorca crassidens Barnes p. 323 figs. Table 1
1991	Pseudorca crassidens Vidal p. 5
1994	Pseudorca crassidens Stacey et al. pp. 1-3
1998	Pseudorca crassidens Rice p. 117
2005	Pseudorca crassidens Mead and Brownell p. 731
2008	Pseudorca crassidens Agnarsson and May-Collado p. 981 figs. Fig. 2
2008	Pseudorca crassidens Uhen et al. p. 593
2011	Pseudorca crassidens Geisler et al. p. 6 figs. Table 1
2013	Pseudorca crassidens Perrin et al. p. 571 figs. Table 1
2021	Pseudorca crassidens Jefferson p. 19

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