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Periphragnis ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4829997	https://www.gbif.org/species/4829997
PaleoBioDB ID (PBDB)	43363	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=43363

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Chordata : Mammalia : Isotemnidae : Periphragnis

Taxonomy (PBDB)

Life : Animalia : Chordata : Mammalia : Notoungulata : Periphragnis

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
subclass	Tribosphenida
infraclass	Eutheria
order	Notoungulata	Roth 1903
suborder	Toxodontia	Ameghino 1887
genus	Periphragnis	Roth 1899

Scientific Name

Periphragnis Roth, 1899

Name Published In

Rev. Mus. La Plata, 9

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Periphragnis	genus	belongs to Mammalia	stated with evidence	Roth, 1899
Periphragnis	genus	belongs to Isotemnidae	stated with evidence	Simpson, 1967
Periphragnis	genus	belongs to Isotemnidae	implied	Carroll, 1988
Periphragnis	genus	belongs to Toxodonta	stated with evidence	Bradham et al., 2015

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

48.6 - 42.0 Ma
Eocene

Last Recorded Appearance

33.9 - 28.4 Ma
Oligocene

Environment

terrestrial (based on Eutheria)

Motility

actively mobile (based on Osteichthyes)

Diet

herbivore (based on Notoungulata)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

S. Roth. 1899. Aviso preliminar sobre mamíferos mesozóicos encontrados en Patagonia [Preliminary notice on Mesozoic mammals found in Patagonia]. Revista del Museo de La Plata 9:381-388

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Asmodeus circunflexus species	accepted (GBIF)	No associated record in PBDB
Calodontotherium palmeri species	accepted (GBIF)	No associated record in PBDB
Lemudeus angustidens ✝ species	accepted (GBIF) listed (PBDB)		1	37.2 Ma Eocene	37.2 Ma Eocene
Periphragnis circunflexus ✝ species	listed (PBDB)
Periphragnis cristatus ✝ species	accepted (GBIF) listed (PBDB)		1	37.2 Ma Eocene	37.2 Ma Eocene
Periphragnis exauctus ✝ species	listed (PBDB)		4	48.6 Ma Eocene	37.2 Ma Eocene
Periphragnis harmeri ✝ species	accepted (GBIF) listed (PBDB)		6	48.0 Ma Eocene	37.2 Ma Eocene
Periphragnis palmeri ✝ species	listed (PBDB)		1	37.2 Ma Eocene	37.2 Ma Eocene
Periphragnis vicentei ✝ species	accepted (GBIF) listed (PBDB)		1	33.9 Ma Oligocene	33.9 Ma Oligocene
Proasmodeus exauctus species	accepted (GBIF)	No associated record in PBDB

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Coelodontotherium Roth, 1903	GBIF	genus	Animalia : Chordata : Mammalia : Isotemnidae : *Coelodontotherium*

Synonymy List

Year	Name and Author
1899	Periphragnis Roth p. 387
1902	Proasmodeus Ameghino p. 23
1902	Tehuelia Roth p. 253
1903	Lemudeus Roth p. 144
1903	Coelodontotherium Roth p. 148
1967	Periphragnis Simpson
1988	Periphragnis Carroll
2015	Periphragnis Bradham et al.

References

Roth S. Aviso preliminar sobre mamíferos mesozóicos encontrados en Patagonia [Preliminary notice on Mesozoic mammals found in Patagonia], Revista del Museo de La Plata 9, 381-388

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

Simpson G. G. (1967) The beginning of the age of mammals in South America. Part II., Bulletin of the American Museum of Natural History 137, 1-260

Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698

Bradham J., Flynn J. J., et al (2015) New Notoungulates (Notostylopidae and Basal Toxodontians) from the Early Oligocene Tinguiririca Fauna of the Andean Main Range, Central Chile, American Museum Novitates 3841, 1-24

GBIF/Paleo Database - via The Interim Register of Marine and Nonmarine Genera

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

Rev. Mus. La Plata, 9 - via The Interim Register of Marine and Nonmarine Genera

as per family - 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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