PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Polydolops

Osteichthyes - Polydolopidae

Taxonomy

Polydolops was named by Ameghino (1897). Its type is Polydolops thomasi. It is the type genus of Polydolopidae, Polydolopinae.

It was assigned to Polydolopinae by Marshall (1982), Flynn and Wyss (1999); to Polydolopimorphia by Goin et al. (2006); and to Polydolopidae by Ameghino (1897), Simpson (1935), Simpson (1948), Paula Couto (1952), McKenna and Bell (1997), Goin et al. (2009).

Species

Pliodolops kamektsen, Pliodolops primulus, Pliodolops rothi, Pliodolops winecage, P. clavulus, P. crassus, P. serra (syn. Anissodolops serrifer, P. bocurhor, Amphidolops serrifer), P. tetragonus, P. thomasi (syn. Orthodolops sciurinus, P. simplex, P. thomasi paahi, P. thomasi crassus, P. thomasi thomasi, P. thomasi mara, P. fur) (type species), P. unicus

Species lacking formal opinion data

P. borcurhor, P. dailyi, P. seymoureinsis, P. seymouriensis

Synonyms

Pliodolops was named by Ameghino (1902).

It was synonymized subjectively with Polydolops by Simpson (1948), Marshall (1982).

It was assigned to Polydolopidae by Ameghino (1902).
Orthodolops was named by Ameghino (1904).

It was synonymized subjectively with Polydolops by Simpson (1948), Marshall (1982).

It was assigned to Polydolopidae by Ameghino (1904).
Archaeodolops was named by Ameghino (1904).

It was synonymized subjectively with Polydolops by Simpson (1948), Marshall (1982).

It was assigned to Polydolopidae by Ameghino (1904).
Anissodolops was named by Ameghino (1904).

It was synonymized subjectively with Polydolops by Simpson (1948), Marshall (1982).

It was assigned to Polydolopidae by Ameghino (1904).

Synonymy list

Year	Name and author
1897	Polydolops Ameghino p. 497
1902	Pliodolops Ameghino p. 41
1904	Anissodolops Ameghino p. 108
1904	Archaeodolops Ameghino p. 108
1904	Orthodolops Ameghino p. 108
1935	Polydolops Simpson p. 4
1948	Polydolops Simpson
1952	Polydolops Paula Couto
1982	Polydolops Marshall
1997	Polydolops McKenna and Bell
1999	Polydolops Flynn and Wyss p. 535
2006	Polydolops Goin et al.
2009	Polydolops Goin et al.

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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	()

Rank	Name	Author
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
subclass	Metatheria	()
—	Marsupialiformes
suborder	Polydolopimorphia	Archer 1984
family	Polydolopidae
genus	Polydolops

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. †Polydolops Ameghino 1897

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†Polydolops clavulus Ameghino 1902

†Polydolops crassus Ameghino 1902

†Polydolops serra Ameghino 1902

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Invalid names: Amphidolops serrifer Ameghino 1902 [synonym], Anissodolops serrifer Ameghino 1902 [synonym], Polydolops bocurhor Simpson 1948 [synonym]

†Polydolops tetragonus Ameghino 1897

†Polydolops thomasi Ameghino 1897

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Invalid names: Orthodolops sciurinus Ameghino 1904 [synonym], Polydolops fur Ameghino 1902 [synonym], Polydolops simplex Ameghino 1904 [synonym], Polydolops thomasi crassus Ameghino 1902 [synonym], Polydolops thomasi mara Simpson 1948 [synonym], Polydolops thomasi paahi Simpson 1948 [synonym], Polydolops thomasi thomasi Simpson 1948 [synonym]

†Polydolops unicus Tejedor et al. 2009

Invalid names: Anissodolops Ameghino 1904 [synonym], Archaeodolops Ameghino 1904 [synonym], Orthodolops Ameghino 1904 [synonym], Pliodolops Ameghino 1902 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialc

Locomotion:

actively mobilec

Life habit:

scansorialsubc

Diet:

omnivoresubc

Reproduction:

viviparoussubc

Created:

2011-04-28 11:05:11

Modified:

2011-04-27 20:05:35

Source: subc = subclass, c = class, subp = subphylum

References: Carroll 1988, Hendy et al. 2009, Lillegraven 1979, Hopson 1973, Clemens 1979

Age range: base of the Riochican to the top of the Deseadan or 57.00000 to 21.00000 Ma

Collections (29 total)

Time interval	Ma	Country or state	Original ID and collection number
Riochican	57.0 - 56.0	Argentina (Chubut)	P. kamektsen (14205) P. winecage (13781)
Ypresian	56.0 - 48.07	Argentina (Chubut)	Archaeodolops clavulus (13780) Pliodolops sp. (133040)
Ypresian	56.0 - 48.07	Antarctica	P. dailyi, P. seymoureinsis, P. sp. (100414)
Casamayoran	56.0 - 48.0	Argentina (Chubut)	P. serra (175738 175739) P. thomasi (49898 141758 175742) P. thomasi, P. serra, P. clavulus, Orthodolops sciurinus (176285)
Ypresian - Lutetian	56.0 - 41.03	Argentina (Chubut)	Pliodolops kamektsen, Pliodolops rothi (231392)
Early/Lower Eocene - Middle Eocene	56.0 - 37.71	Argentina (Chubut)	P. rothi (175735)
Eocene	56.0 - 33.9	Antarctica	P. dailyi, P. seymouriensis, P. sp. (153447)
Lutetian	48.07 - 41.03	Argentina (Chubut)	Pliodolops primulus, P. rothi, P. unicus (133039 176059) P. borcurhor, P. thomasi (176170) P. thomasi (176171) P. thomasi, P. serra, P. bocurhor (44956)
Middle Eocene	48.07 - 37.71	Argentina (Chubut)	P. thomasi (176674)
Mustersan	48.0 - 42.0	Argentina (Chubut)	P. mayoi (175761)
Bartonian	41.03 - 37.71	Argentina (Chubut)	P. thomasi (49900 176185 176186 176492) P. thomasi, P. serra (176167) P. thomasi, P. serra, P. fur, P. crassus, Pliodolops primulus, P. simplex, Anissodolops serrifer (13779)
Bartonian - Priabonian	41.03 - 33.9	Antarctica	P. dailyi, P. seymouriensis (173115)
Deseadan	29.0 - 21.0	Bolivia (La Paz)	Polydolopidae indet. (14208)