PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Allodesmus

Mammalia - Carnivora - Desmatophocidae

Taxonomy

Allodesmus was named by Kellogg (1922) [Sepkoski's age data: T Mi-l T Mi-m Sepkoski's reference number: 746]. Its type is Allodesmus kernensis.

It was assigned to Otariidae by Kellogg (1922), Hay (1930); to Allodesmidae by Kellogg (1931); to Desmatophocinae by Mitchell (1966), Barnes (1972); to Desmatophocini by McKenna and Bell (1997); to Carnivora by Sepkoski (2002); to Phocoidea by Berta (1994), Rice (1998), Berta (2002), Berta (2009); to Allodesminae by Mitchell (1968), Barnes (1989), Barnes and Hirota (1995), Kohno (1996), Barnes (2008), Tonomori et al. (2018), Boessenecker and Churchill (2018); to Desmatophocidae by Repenning and Tedford (1977), Carroll (1988), Deméré et al. (2003), Fulton and Strobeck (2010), Boessenecker (2011), Boessenecker and Churchill (2013), Berta (2017), Velez-Juarbe (2018); and to Phocomorpha by Kienle and Berta (2019).

Species

A. demerei, A. kernensis (syn. A. gracilis, A. kelloggi) (type species), A. naorai, A. packardi, A. sinanoensis (syn. A. megallos, A. sadoensis), A. uraiporensis

Synonyms

Brachyallodesmus was named by Barnes and Hirota (1995).

It was synonymized subjectively with Allodesmus by Deméré et al. (2003), Boessenecker and Churchill (2018).

It was assigned to Allodesminae by Barnes and Hirota (1995), Barnes (2008); and to Desmatophocidae by Berta (2017).
Megagomphos was named by Barnes and Hirota (1995).

It was synonymized subjectively with Allodesmus by Boessenecker and Churchill (2018).

It was assigned to Allodesminae by Barnes and Hirota (1995); and to Desmatophocidae by Berta (2017).

Synonymy list

Year	Name and author
1922	Allodesmus Kellogg p. 26 figs. Fig. 1-17
1930	Allodesmus Hay p. 557
1931	Allodesmus Kellogg p. 227
1966	Allodesmus Mitchell p. 4
1968	Allodesmus Mitchell p. 1897
1972	Allodesmus Barnes p. 5
1977	Allodesmus Repenning and Tedford p. 74
1988	Allodesmus Carroll
1989	Allodesmus Barnes p. 23
1994	Allodesmus Berta p. 412
1995	Brachyallodesmus Barnes and Hirota p. 332
1995	Megagomphos Barnes and Hirota p. 335
1995	Allodesmus Barnes and Hirota p. 339
1996	Allodesmus Kohno p. 389
1997	Allodesmus McKenna and Bell p. 255
1998	Allodesmus Rice
2002	Allodesmus Berta p. 923
2002	Allodesmus Sepkoski
2003	Allodesmus Deméré et al. p. 49 figs. Fig. 3.3
2008	Allodesmus Barnes p. 530
2008	Brachyallodesmus Barnes p. 531
2009	Allodesmus Berta p. 863
2010	Allodesmus Fulton and Strobeck p. 817 figs. Figue 1
2011	Allodesmus Boessenecker p. 2 figs. Table 1
2013	Allodesmus Boessenecker and Churchill p. 10 fig. 8
2017	Allodesmus Berta p. 158
2017	Brachyallodesmus Berta p. 158
2017	Megagomphos Berta p. 158
2018	Allodesmus Boessenecker and Churchill p. 19 figs. Table 9
2018	Allodesmus Tonomori et al. p. 3
2018	Allodesmus Velez-Juarbe p. 9
2019	Allodesmus Kienle and Berta

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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

Rank	Name	Author
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Ferae	()
—	Carnivoramorpha	Wyss and Flynn 1993
—	Carnivoraformes	Flynn et al.
order	Carnivora
suborder	Caniformia	Kretzoi 1943
infraorder	Canoidea	(Simpson 1931)
superfamily	Arctoidea	Flower 1869
—	Panpinnipedia	Wolsan et al. 2020
—	Pinnipedimorpha
—	Pinnipedia	()
family	Desmatophocidae
subfamily	Allodesminae	()
genus	Allodesmus

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. †Allodesmus Kellogg 1922

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†Allodesmus demerei Boessenecker and Churchill 2018

†Allodesmus kernensis Kellogg 1922

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Invalid names: Allodesmus gracilis Barnes and Hirota 1995 [synonym], Allodesmus kelloggi Mitchell 1966 [synonym]

†Allodesmus naorai Kohno 1996

†Allodesmus packardi Barnes 1972

†Allodesmus sinanoensis Nagao 1941

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Invalid names: Allodesmus megallos Barnes and Hirota 1995 [synonym], Allodesmus sadoensis Barnes and Hirota 1995 [synonym]

†Allodesmus uraiporensis Tonomori et al. 2018

Invalid names: Brachyallodesmus Barnes and Hirota 1995 [synonym], Megagomphos Barnes and Hirota 1995 [synonym]

Diagnosis

Reference	Diagnosis
W. Tonomori et al. 2018	Presence of prenarial shelf; presence of facet for tympanohyal within hyoid fossa; transversely expanded posterior lacerate foramen; weak and smooth lingual cingulum of P1–2; single-rooted P3–4 and M1; medially prominent calcaneal tuber, overlapping entocuneiform/mesocuneiform articulation. Dental formula: I3 · C1 · P4 · M1–2/I2 · C1 · P4 · M1–2 [13,14].