PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Lagenorhynchus acutus

Taxonomy

Delphinus (Grampus) acutus was named by Gray (1828) [Type locality unknown (Hershkovitz, 1866).]. It is extant. Its type specimen is Leiden Zoological Musuem?, a skull.

It was recombined as Electra acutua by Gray (1871); it was recombined as Leucopleurus acutus by LeDuc et al. (1999), Geisler et al. (2011), Perrin et al. (2013), Vollmer et al. (2019); it was recombined as Lagenorhynchus acutus by Gray (1846), Gray (1850), Gray (1864), Gray (1866), Gray (1866), Scott (1873), Trouessart (1904), Turner (1912), Fraser and Purves (1960), Scheffer and Rice (1963), Hershkovitz (1966), Rice (1998), Mead and Brownell (2005), Jefferson (2021).

Synonyms

Leucopleurus arcticus was named by Gray (1868). It is extant.

It was synonymized subjectively with Lagenorhynchus acutus by Hershkovitz (1966), Jefferson (2021).
Lagenorhynchus gubernator was named by Cope (1876). It is extant.

It was synonymized subjectively with Lagenorhynchus acutus by Mead and Brownell (2005).
Lagenorhynchus perspicillatus was named by Cope (1876). It is extant.

It was synonymized subjectively with Lagenorhynchus acutus by Mead and Brownell (2005), Jefferson (2021).
Delphinus eschrichtii was named by Schlegel (1841). It is extant.

It was synonymized subjectively with Lagenorhynchus acutus by Jefferson (2021).
Delphinus leucopleurus was named by Rasch (1843). It is extant.

It was recombined as Lagenorhynchus leucopleurus by Gray (1846), Gray (1850), Gray (1864), Gray (1866), Gray (1866), Scott (1873); it was synonymized subjectively with Lagenorhynchus acutus by Mead and Brownell (2005), Jefferson (2021).

Synonymy list

Year	Name and author
1828	Delphinus (Grampus) acutus Gray
1841	Delphinus eschrichtii Schlegel
1843	Delphinus leucopleurus Rasch
1846	Lagenorhynchus leucopleurus Gray p. 34
1846	Lagenorhynchus acutus Gray p. 36
1847	Delphinus leucopleurus Nilsson p. 598
1850	Lagenorhynchus leucopleurus Gray p. 97
1850	Lagenorhynchus acutus Gray p. 101
1864	Lagenorhynchus leucopleurus Gray p. 238
1864	Lagenorhynchus acutus Gray p. 239
1866	Lagenorhynchus acutus Gray p. 216
1866	Lagenorhynchus leucopleurus Gray p. 216
1866	Lagenorhynchus acutus Gray p. 270
1866	Lagenorhynchus leucopleurus Gray p. 273
1868	Leucopleurus arcticus Gray p. 7
1871	Electra acutua Gray p. 76
1871	Leucopleurus arcticus Gray p. 78
1873	Lagenorhynchus acutus Scott p. 84
1873	Lagenorhynchus leucopleurus Scott p. 85
1876	Lagenorhynchus gubernator Cope
1876	Lagenorhynchus perspicillatus Cope
1904	Lagenorhynchus acutus Trouessart p. 767
1912	Lagenorhynchus acutus Turner p. 128
1960	Lagenorhynchus acutus Fraser and Purves p. 112 figs. Figure 26
1963	Lagenorhynchus acutus Scheffer and Rice p. 6
1966	Lagenorhynchus acutus Hershkovitz p. 60
1998	Lagenorhynchus acutus Rice p. 113
1999	Leucopleurus acutus LeDuc et al. p. 639 figs. Figure 2
2005	Lagenorhynchus acutus Mead and Brownell p. 729
2011	Leucopleurus acutus Geisler et al. p. 6 figs. Table 1
2013	Leucopleurus acutus Perrin et al. p. 571 figs. Table 1
2019	Leucopleurus acutus Vollmer et al.
2021	Lagenorhynchus acutus Jefferson p. 45

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Time interval	Ma	Country or state	Original ID and collection number
Gelasian	2.588 - 1.806	United Kingdom (England)	Lagenorhynchus acutus (48093)
Holocene	0.0117 - 0.0	Netherlands	Leucopleurus acutus (125083)