PBDB Taxon

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

Sagmatias

Mammalia - Cetacea - Delphinidae

Taxonomy

Sagmatias was named by Cope (1866). It is extant. It was considered monophyletic by Weber (1928).

It was synonymized subjectively with Lagenorhynchus by McKenna and Bell (1997) and Mead and Brownell (2005).

It was assigned to Delphininae by Gill (1871), Gill (1872) and Weber (1928); to Lissodelphinae by LeDuc et al. (1999) and Fordyce and de Muizon (2001); to Delphinidae by Scammon and Cope (1869), Cope (1890), Trouessart (1904), Palmer (1904) and Murakami et al. (2014); and to Lissodelphininae by Perrin et al. (2013) and Vollmer et al. (2019).

Species

S. amblodon, S. australis (syn. Tursio chiloensis), S. cruciger (syn. Delphinus bivittatus, Lagenorhynchus wilsoni, Delphinus obscurus, Delphinus albigena, Phocaena homeii, Phocaena dorbignyi), S. obliquidens (syn. Lagenorhynchus ognevi, Delphinus longidens), S. obscurus (syn. Prodelphinus petersii, Delphinus breviceps, Delphinus breviceps, Delphinus fitzroyi, Clymenia similis, Tursio panope, Lagenorhynchus similis)

Synonymy list

Year	Name and author
1866	Sagmatias Cope p. 294
1869	Sagmatias Scammon and Cope p. 21
1871	Sagmatias Gill p. 125
1872	Sagmatias Gill p. 95
1890	Sagmatias Cope p. 609
1904	Sagmatias Palmer p. 616
1904	Sagmatias Trouessart p. 767
1928	Sagmatias Weber p. 389
1999	Sagmatias LeDuc et al. p. 639 figs. Figure 2
2001	Sagmatias Fordyce and de Muizon p. 179
2013	Sagmatias Perrin et al. p. 571
2014	Sagmatias Murakami et al. p. 507 figs. Figure 10
2019	Sagmatias Vollmer et al.

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Theriamorpha	(Rowe 1993)

Rank	Name	Author
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Euungulata
—	Artiodactylamorpha
—	Artiodactyla	()
—	Whippomorpha
order	Cetacea
—	Pelagiceti
—	Neoceti
suborder	Odontoceti
infraorder	Delphinida
superfamily	Delphinoidea
family	Delphinidae
subfamily	Lissodelphininae	()
genus	Sagmatias

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. Sagmatias Cope 1866

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Sagmatias amblodon Cope 1866

Sagmatias australis Peale 1848

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Invalid names: Tursio chiloensis Philippi 1900 [synonym]

Sagmatias cruciger Quoy and Gaimard 1824

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Invalid names: Delphinus albigena Quoy and Gaimard 1824 [synonym], Delphinus bivittatus Lesson and Garnot 1826 [synonym], Delphinus obscurus Gray 1850 [synonym], Lagenorhynchus wilsoni Lillie 1915 [synonym], Phocaena dorbignyi Philippi 1893 [synonym], Phocaena homeii Smith 1828 [synonym]

Sagmatias obliquidens Gill 1865 [Pacific white-sided dolphin]

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Invalid names: Delphinus longidens Cope 1866 [synonym], Lagenorhynchus ognevi Slensov 1955 [synonym]

Sagmatias obscurus Gray 1828

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Lagenorhynchus obscurus posidonia Philippi 1893

Invalid names: Clymenia similis Gray 1868 [synonym], Delphinus breviceps Wiegmann 1840 [synonym], Delphinus breviceps Jacquinot and Pucheran 1853 [synonym], Delphinus fitzroyi Waterhouse 1838 [synonym], Lagenorhynchus similis Gray 1868 [synonym], Prodelphinus petersii Reinhardt 1889 [synonym], Tursio panope Canto 1896 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean

Composition:

hydroxyapatitesubo

Form:

roller-shapedo

Ontogeny:

modification of partso

Environment:

marine, freshwatersubo

Locomotion:

actively mobileo

Life habit:

aquatico

Depth habitat:

surfaceo

Diet:

piscivoref

Diet 2:

carnivoref

Reproduction:

viviparoussubo

Created:

2005-06-08 10:11:09

Modified:

2005-06-08 12:11:09

Source: f = family, subo = suborder, o = order

References: Uhen 2004, Nowak 1991

Age range

Maximum range based only on fossils: Holocene or 0.01170 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 0.0 Ma

Collections (11 total)

Time interval	Ma	Country or state	Original ID and collection number
Holocene	0.0117 - 0.0	Chile	Lagenorhynchus australis (168127)
Holocene	0.0117 - 0.0	Antarctica	Lagenorhynchus australis (168128)
Holocene	0.0117 - 0.0	South Africa	Lagenorhynchus cruciger (168133) S. obscurus (86897)
Holocene	0.0117 - 0.0	USA (California)	Lagenorhynchus obliquidens (86895)
Holocene	0.0117 - 0.0	USA (Oregon)	Lagenorhynchus obliquidens (168129)
Holocene	0.0117 - 0.0	Japan	Lagenorhynchus obliquidens (54129 82088 168130)
Holocene	0.0117 - 0.0	New Zealand	Lagenorhynchus cruciger (168131)
Holocene	0.0117 - 0.0	Argentina	Lagenorhynchus australis (168126)