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Polydolops ✝

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Photo Gallery

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4826430	https://www.gbif.org/species/4826430
PaleoBioDB ID (PBDB)	40071	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=40071

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Chordata : Mammalia : Paucituberculata : Polydolopidae : Polydolops

Taxonomy (PBDB)

Life : Animalia : Chordata : Mammalia : Polydolopimorphia : Polydolopidae : Polydolops

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Triploblastica	Lankester 1877
-	Nephrozoa	Jondelius et al. 2002
-	Deuterostomia	Grobben 1908
phylum	Chordata	Haeckel 1847
subphylum	Vertebrata	Lamarck 1801
superclass	Gnathostomata	Gegenbauer 1874
-	Osteichthyes
-	Sarcopterygii	Romer 1955
subclass	Dipnotetrapodomorpha
subclass	Tetrapodomorpha
-	Tetrapoda
-	Reptiliomorpha	Säve-Söderbergh 1934
-	Anthracosauria	Säve-Söderbergh 1934
-	Batrachosauria
-	Cotylosauria
-	Amniota	Haeckel 1866
-	Synapsida	Osborn 1903
-	Therapsida
infraorder	Cynodontia
-	Epicynodontia	Hopson and Kitching 2001
infraorder	Eucynodontia	Kemp 1982
-	Probainognathia	Hopson 1990
-	Mammaliamorpha	Rowe 1988
-	Mammaliaformes	Rowe 1988
class	Mammalia	Linnaeus 1758
-	Theriamorpha
-	Theriiformes
-	Trechnotheria	McKenna 1975
-	Cladotheria	McKenna 1975
-	Boreosphenida
subclass	Theria	Parker and Haswell 1897
subclass	Metatheria
suborder	Polydolopimorphia	Archer 1984
family	Polydolopidae	Ameghino 1897
genus	Polydolops	Ameghino 1897

Scientific Name

Polydolops Ameghino, 1897

Name Published In

Argent. Époc. Geol.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Polydolops	genus	belongs to Polydolopidae	stated with evidence	Ameghino, 1897
Polydolops	genus	belongs to Polydolopidae	stated without evidence	Simpson, 1935
Polydolops	genus	belongs to Polydolopidae	stated with evidence	Simpson, 1948
Polydolops	genus	belongs to Polydolopinae	stated with evidence	Marshall, 1982
Polydolops	genus	belongs to Polydolopidae	implied	McKenna and Bell, 1997
Polydolops	genus	belongs to Polydolopinae	stated with evidence	Flynn and Wyss, 1999
Polydolops	genus	belongs to Polydolopimorphia	stated without evidence	Goin et al., 2006
Polydolops	genus	belongs to Polydolopidae	stated with evidence	Goin et al., 2009

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

59.0 - 57.0 Ma
Paleocene

Last Recorded Appearance

29.0 - 21.0 Ma
Cenozoic

Environment

terrestrial (based on Mammalia)

Motility

actively mobile (based on Osteichthyes)

Diet

omnivore (based on Metatheria)

Reproduction

viviparous (based on Theria)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

F. Ameghino. 1897. Mammiféres crétacés de l’Argentine (Deuxième contribution à la connaissance de la fauna mammalogique de couches à Pyrotherium) [Cretaceous mammals of Argentina (second contribution to the knowledge of the mammalian fauna of the Pyrotherium Beds)]. Boletin Instituto Geografico Argentino 18(4–9):406-521

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Polydolops clavulus ✝ species	accepted (GBIF) listed (PBDB)	1	48.6 Ma Eocene	48.6 Ma Eocene
Polydolops crassus ✝ species	listed (PBDB)	1	48.6 Ma Eocene	48.6 Ma Eocene
Polydolops kamektsen ✝ species	accepted (GBIF) listed (PBDB)	1	55.8 Ma Eocene	55.8 Ma Eocene
Polydolops rothi ✝ species	accepted (GBIF) listed (PBDB)	3	56.0 Ma Paleocene	47.8 Ma Eocene
Polydolops serra ✝ species	accepted (GBIF) listed (PBDB)	9	48.6 Ma Eocene	48.6 Ma Eocene
Polydolops tetragonus ✝ species	accepted (GBIF) listed (PBDB)
Polydolops thomasi ✝ species	accepted (GBIF) listed (PBDB)	17	48.6 Ma Eocene	48.6 Ma Eocene
Polydolops unicus ✝ species	accepted (GBIF) listed (PBDB)	2	56.0 Ma Paleocene	47.8 Ma Eocene
Polydolops winecage ✝ species	accepted (GBIF) listed (PBDB)	1	55.8 Ma Eocene	55.8 Ma Eocene

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

Year	Name and Author
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.

References

Ameghino F. Mammiféres crétacés de l’Argentine (Deuxième contribution à la connaissance de la fauna mammalogique de couches à Pyrotherium) [Cretaceous mammals of Argentina (second contribution to the knowledge of the mammalian fauna of the Pyrotherium Beds)], Boletin Instituto Geografico Argentino 18 4–9, 406-521

Ameghino F. (1902) Notices préliminaires sur des mammifères nouveaux des terrains Crétacé de Patagonie {preliminary notes on new mammals from the Cretaceous terrains of Patagonia], Boletin de la Academia Nacional de Ciencias de Córdoba 17, 5-70

Ameghino F. (1904) Nuevas especies de mamíferos, cretáceos y terciarios de la República Argentina [New species of mammals, Cretaceous and Tertiarty, from the Argentine Republic], Anales de la Sociedad Cientifica Argentina 56–58, 1-142

Simpson G. G. (1935) Descriptions of the oldest known South American mammals, from the Rio Chico Formation, American Museum Novitates 793, 1-25

Simpson G. G. (1948) The beginning of the age of mammals in South America. Part I, Bulletin of the American Museum of Natural History 91, 1-232

Paula Couto C. d. (1952) Fossil mammals from the beginning of the Cenozoic in Brazil. Marsupialia: Polydolopidae and Borhyaenidae, American Museum Novitates 1559, 1-27

Marshall L. G. (1982) Systematics of the extinct South American marsupial family Polydolopidae, Fieldiana Geology 12, 1-109

McKenna M. C., Bell S. K. (1997) , Classification of Mammals Above the Species Level, 1-640

Flynn J. J., Wyss A. W. (1999) New Marsupials from the Eocene-Oligocene transition of the Andean main range, Chile, Journal of Vertebrate Paleontology 19 3, 533-549 doi:http://dx.doi.org/10.1080/02724634.1999.10011163

Goin F. J., Pascual R., et al (2006) The earliest Tertiary therian mammal from South America, Journal of Vertebrate Paleontology 26 2, 505-510

Goin F. J., Candela A. M., et al (2009) Earliest South American paucituberculatans and their significance in the understanding of ‘pseudodiprotodont’ marsupial radiations, Zoological Journal of the Linnean Society 155, 867-884

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

SN2000/McKenna & Bell, 1997 - via The Interim Register of Marine and Nonmarine Genera

SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - via The Interim Register of Marine and Nonmarine Genera

as per family - via The Interim Register of Marine and Nonmarine Genera

Argent. Époc. Geol. - via The Interim Register of Marine and Nonmarine Genera

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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