PBDB Taxon

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Dorudontinae

Osteichthyes - Cetacea - Basilosauridae

Taxonomy

Dorudontidae was named by Miller (1923). It is not extant. Its type is Dorudon. It was considered paraphyletic by Uhen (2008).

It was considered an invalid subgroup of Basilosauridae by Uhen (2013); it was reranked as the subfamily Dorudontinae by Slijper (1936), Fordyce (1982), Barnes et al. (1985), Fordyce and Barnes (1994), Fordyce et al. (1995), Uhen (1996), Kohler and Fordyce (1997), Uhen (1998), Uhen and Gingerich (2001), Uhen (2002), van Vliet (2004), Uhen (2004), Fordyce (2006), Bouetel and Muizon (2006), Bianucci and Landini (2007), McLeod and Barnes (2008), Uhen (2008), Fordyce and Roberts (2009), Uhen (2009), Uhen et al. (2011), Gao and Ni (2015), Mahdy et al. (2019), Gingerich et al. (2022).

It was assigned to Zeuglodontes by Hay (1930); to Zeuglodontidae by Slijper (1936); to Basilosauroidea by Rice (1998); to Archaeoceti by Miller (1923), Kellogg (1928), Kellogg (1936), Simpson (1945), Keyes (1973), Whitmore and Sanders (1977), Thurmond and Jones (1981), Hooker (1986), Rice (2002); and to Basilosauridae by Fordyce (1982), Barnes et al. (1985), Fordyce and Barnes (1994), Fordyce et al. (1995), Uhen (1996), Kohler and Fordyce (1997), McKenna and Bell (1997), Uhen (1998), Uhen and Gingerich (2001), Fordyce and de Muizon (2001), Uhen (2002), van Vliet (2004), Uhen (2004), Fordyce (2006), Bouetel and Muizon (2006), Bianucci and Landini (2007), McLeod and Barnes (2008), Uhen (2008), Fordyce and Roberts (2009), Uhen (2009), Uhen et al. (2011), Gao and Ni (2015), Mahdy et al. (2019), Gingerich et al. (2022).

Subtaxa

Zeuglodon wanklyni

Synonyms

Zeuglodon wanklyni was named by Seeley (1876) [The species was based on a specimen seen by the author, but never deposited in the BMNH. The specimen has not been seen since.]. Its type specimen is BMNH M. 11090, a skull, and it is a 3D body fossil. Its type locality is Barton Cliff, which is in a Bartonian marine claystone in the Barton Clay Formation of the United Kingdom.

It was recombined as Basilosaurus wanklyni by Trouessart (1904), Kalmykov (2012); it was recombined as Zygorhiza wanklyni by Kellogg (1936), Hooker (1986), McLeod and Barnes (2008); it was considered a nomen nudum by Uhen (1996), Uhen (1998); it was considered an invalid subgroup of Basilosauridae by Gingerich et al. (2022).

Synonymy list

Year	Name and author
1876	Zeuglodon wanklyni Seeley
1894	Zeuglodon wanklyni Zittel p. 168
1898	Zeuglodon wanklyni Trouessart p. 1010
1903	Zeuglodon wanklyni Stromer p. 87
1904	Basilosaurus wanklyni Trouessart p. 753
1914	Zeuglodon wanklyni Abel p. 220
1923	Dorudontidae Miller
1925	Zeuglodon wanklyni Zittel p. 85
1928	Dorudontidae Kellogg p. 32 figs. Table 1
1930	Dorudontidae Hay p. 657
1936	Dorudontidae Kellogg p. 100
1936	Zygorhiza wanklyni Kellogg p. 176
1936	Dorudontinae Slijper p. 540
1945	Dorudontidae Simpson p. 100
1973	Dorudontidae Keyes p. 389
1977	Dorudontidae Whitmore and Sanders p. 305
1981	Dorudontidae Thurmond and Jones p. 192
1982	Dorudontinae Fordyce p. 422
1985	Dorudontinae Barnes et al. p. 25
1986	Dorudontidae Hooker p. 214
1986	Zygorhiza wanklyni Hooker p. 342
1994	Dorudontinae Fordyce and Barnes p. 428
1995	Dorudontinae Fordyce et al. p. 379
1996	Dorudontinae Uhen p. 41
1997	Dorudontinae Kohler and Fordyce p. 575
1997	Dorudontidae McKenna and Bell p. 369
1998	Dorudontidae Rice
1998	Dorudontinae Uhen p. 34
2001	Dorudontidae Fordyce and de Muizon p. 104
2001	Dorudontinae Uhen and Gingerich p. 2
2002	Dorudontidae Rice p. 231 figs. Table 1
2002	Dorudontinae Uhen p. 79
2004	Dorudontinae Uhen p. 12
2004	Dorudontinae van Vliet p. 143
2006	Dorudontinae Bouetel and Muizon p. 383
2006	Dorudontinae Fordyce p. 757 figs. Figure 3
2007	Dorudontinae Bianucci and Landini p. 45 figs. Table 2.1
2008	Dorudontinae McLeod and Barnes p. 93
2008	Zygorhiza wanklyni McLeod and Barnes p. 93
2008	Dorudontinae Uhen p. 561
2009	Dorudontinae Fordyce and Roberts p. 553
2009	Dorudontinae Uhen p. 93
2011	Dorudontinae Uhen et al. p. 960
2012	Basilosaurus wanklyni Kalmykov p. 179
2015	Dorudontinae Gao and Ni p. 156 figs. Table 1
2019	Dorudontinae Mahdy et al.
2022	Dorudontinae Gingerich et al. p. 2

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

Rank	Name	Author
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Euungulata
—	Artiodactylamorpha
—	Artiodactyla	()
—	Whippomorpha
order	Cetacea
—	Pelagiceti
family	Basilosauridae
subfamily	Dorudontinae	()
subfamily	Dorudontinae	()

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.

Subfm. †Dorudontinae Miller 1923

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Invalid names: Zeuglodon wanklyni Seeley 1876 [nomen nudum]

Diagnosis

Reference	Diagnosis
M. D. Uhen 2008	Dorudontines share the derived characteristics of members of the Basilosauridae, but lack elongate posterior thoracic, lumbar, and anterior caudal vertebrae. Dorudontine genera are very similar to one another, but each has a few autapomorphies that differentiate them.

Measurements

No measurements are available

Composition:

hydroxyapatiteo

Form:

roller-shapedo

Ontogeny:

modification of partso

Environment:

marineo

Locomotion:

actively mobileo

Life habit:

aquatico

Depth habitat:

surfaceo

Diet:

carnivoreo

Reproduction:

viviparouso

Created:

2005-03-06 14:19:05

Modified:

2017-04-17 10:41:18

Source: o = order

Reference: Uhen 2004

Age range: base of the Bartonian to the top of the Kaiatan or 41.03000 to 36.70000 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Bortonian - Kaiatan	42.6 - 36.7	New Zealand (North Canterbury)	Dorudontinae indet. (124710)
Bartonian	41.03 - 37.71	United Kingdom (England)	Zeuglodon wanklyni, Zeuglodon wanklyni (32915)
Priabonian	37.71 - 33.9	Antarctica (Seymour Island)	Dorudontinae indet. (100190)
Priabonian	37.71 - 33.9	Germany	Dorudontinae indet. (211084)
Priabonian	37.71 - 33.9	Senegal	Dorudontinae indet. (32990)
Priabonian	37.71 - 33.9	New Zealand (South Island)	Dorudontinae indet. (87886)