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Protalphadon ✝

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Description

Protalphadon is a genus of small mammal from the late Cretaceous. Its fossils are found in Utah, Montana, New Jersey, South Dakota, Wyoming and Colorado. Originally the genus was assigned to Alphadon.

From Wikipedia article at https://en.wikipedia.org/wiki/Protalphadon, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4826791	https://www.gbif.org/species/4826791
PaleoBioDB ID (PBDB)	39985	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=39985

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Protalphadon

Taxonomy (PBDB)

Life : Animalia : Chordata : Mammalia : Protalphadon

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
genus	Protalphadon	Cifelli 1990

Scientific Name

Protalphadon Cifelli, 1990

Name Published In

J Vertebr Paleontol 10 (3)

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Protalphadon	genus	belongs to Didelphidae	stated without evidence	Cifelli, 1990
Protalphadon	genus	belongs to Didelphidae	implied	McKenna and Bell, 1997
Protalphadon	genus	belongs to Alphadontidae	stated without evidence	Kielan-Jaworowska et al., 2004
Protalphadon	genus	belongs to Peradectidae	stated without evidence	Goin et al., 2006
Protalphadon	genus	belongs to Alphadontidae	stated without evidence	Wilson et al., 2010
Protalphadon	genus	belongs to Metatheria	stated without evidence	Williamson et al., 2012

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

101 - 94 Ma
Late/Upper Cretaceous

Last Recorded Appearance

70.6 - 66.0 Ma
Late/Upper Cretaceous

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)

R. L. Cifelli. 1990. Cretaceous mammals from southern Utah. I. Marsupials from the Kaiparowits Formation (Judithian). Journal of Vertebrate Paleontology 10(3):295-319

Wikipedia

https://en.wikipedia.org/wiki/Protalphadon

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Alphadon lulli ✝ species	accepted (GBIF) listed (PBDB)		11	83.5 Ma Late/Upper Cretaceous	70.6 Ma Late/Upper Cretaceous
Protalphadon foxi ✝ species	accepted (GBIF) listed (PBDB)		1	70.6 Ma Late/Upper Cretaceous	70.6 Ma Late/Upper Cretaceous

Synonymy List

Year	Name and Author
1990	Protalphadon Cifelli
1997	Protalphadon McKenna and Bell
2004	Protalphadon Kielan-Jaworowska et al. pp. 443, 455-456 fig. 12.11D
2006	Protalphadon Goin et al.
2010	Protalphadon Wilson et al. p. 513
2012	Protalphadon Williamson et al.

References

Cifelli R. L. (1990) Cretaceous mammals from southern Utah. I. Marsupials from the Kaiparowits Formation (Judithian), Journal of Vertebrate Paleontology 10 3, 295-319

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

Kielan-Jaworowska Z., Cifelli R. L., et al (2004) Mammals from the age of dinosaurs: Origins, evolution, and structure, Columbia University Press, New York, 1-630

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

Wilson G. P., Dechesne M., et al (2010) New latest Cretaceous mammals from northeastern Colorado with biochronologic and biogeographic implications, Journal of Vertebrate Paleontology 30 2, 499-520

Williamson T. E., Brusatte S. L., et al (2012) The phylogeny and evolution of Cretaceous–Palaeogene metatherians: cladistic analysis and description of new early Palaeocene specimens from the Nacimiento Formation, New Mexico, Journal of Systematic Palaeontology 10 4, 625-651

J Vertebr Paleontol 10 (3) - 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

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

GBIF/Marine Science Institute, UCSB: Paleobiology Database - 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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