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Palaechthon ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4827447	https://www.gbif.org/species/4827447
PaleoBioDB ID (PBDB)	40727	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=40727

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Chordata : Mammalia : Primates : Palaechthonidae : Palaechthon

Taxonomy (PBDB)

Life : Animalia : Chordata : Mammalia : Primates : Palaechthon

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
order	Primates	Linnaeus 1758
suborder	Plesiadapiformes	Simons and Tattersall 1972
genus	Palaechthon	Gidley 1923

Scientific Name

Palaechthon Gidley, 1923

Name Published In

Proc. U.S. Nat. Mus., 63, art. 1

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Palaechthon	genus	belongs to Palaechthonidae	stated without evidence	Gidley, 1923
Palaechthon	genus	belongs to Anaptomorphidae	stated with evidence	Simpson, 1937
Palaechthon	genus	belongs to Paromomyinae	stated with evidence	Simpson, 1940
Palaechthon	genus	belongs to Purgatoriinae	stated with evidence	Van Valen and Sloan, 1965
Palaechthon	genus	belongs to Palaechthonini	stated without evidence	Szalay, 1969
Palaechthon	genus	subjective synonym of Plesiolestes	stated without evidence	Gingerich et al., 1983
Palaechthon	genus	belongs to Palaechthoninae	stated with evidence	Gunnell, 1989
Palaechthon	genus	belongs to Palaechthonidae	implied	McKenna and Bell, 1997
Palaechthon	genus	belongs to Primates	stated with evidence	Bloch et al., 2007
Palaechthon	genus	belongs to Plesiadapiformes	stated with evidence	Rose et al., 2011

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

63.3 - 61.7 Ma
Paleocene

Last Recorded Appearance

61.7 - 56.8 Ma
Paleocene

Environment

terrestrial (based on Plesiadapiformes)

Motility

actively mobile (based on Osteichthyes)

Diet

insectivore, omnivore (based on Plesiadapiformes)

Reproduction

viviparous (based on Plesiadapiformes)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

P. D. Gingerich, P. Houde, and D. W. Krause. 1983. A New Earliest Tiffanian (Late Paleocene) Mammalian Fauna from Bangtail Plateau, Western Crazy Mountain Basin, Montana. Journal of Paleontology 57(5)

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Palaechthon alticuspis ✝ species	accepted (GBIF) listed (PBDB)	4	63.3 Ma Paleocene	61.7 Ma Paleocene
Palaechthon woodi ✝ species	accepted (GBIF) listed (PBDB)	6	63.3 Ma Paleocene	61.7 Ma Paleocene
Talpohenach torrejonius ✝ species	accepted (GBIF) listed (PBDB)	2	63.3 Ma Paleocene	63.3 Ma Paleocene

Synonymy List

Year	Name and Author
1923	Palaechthon Gidley
1937	Palaechthon Simpson p. 148
1940	Palaechthon Simpson p. 198
1965	Palaechthon Van Valen and Sloan p. 743
1969	Palaechthon Szalay
1977	Talpohenach Kay and Cartmill
1989	Palaechthon Gunnell p. 15
1997	Palaechthon McKenna and Bell
2007	Palaechthon Bloch et al. p. 1162
2011	Palaechthon Rose et al.

References

Gingerich P. D., Houde P., et al (1983) A New Earliest Tiffanian (Late Paleocene) Mammalian Fauna from Bangtail Plateau, Western Crazy Mountain Basin, Montana, Journal of Paleontology 57 5

Simpson G. G. (1937) The Fort Union of the Crazy Mountain field, Montana and its mammalian faunas, Bulletin of the United States National Museum 169, 1-287

Simpson G. G. (1940) Studies on the earliest primates, Bulletin of the American Museum of Natural History 77 4, 185-212

Van Valen L. M., Sloan R. E. (1965) The earliest primates, Science 150 3697, 743-745

Szalay F. S. (1969) Mixodectidae, Microsyopidae, and the insectivore-primate transition, Bulletin of the American Museum of Natural History 140 4, 193-330

Gunnell G. F. (1989) Evolutionary History of Microsyopoidea (Mammalia, ?Primates) and the Relationship Between Plesiadapiformes and Primates, University of Michigan Papers on Paleontology 27, 1-157

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

Bloch J. I., Silcox M. T., et al (2007) New Paleocene skeletons and the relationship of plesiadapiformes to crown-clade primates, Proceedings of the National Academy of Sciences, USA 104 4, 1159-1164

Rose K. D., Chester S. G. B., et al (2011) New fossils of the oldest North American euprimate Teilhardina brandti (Omomyidae) from the Paleocene–Eocene Thermal Maximum, American Journal of Physical Anthropology 146, 281-305 doi:10.1002/ajpa.21579

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

Proc. U.S. Nat. Mus., 63, art. 1 - 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

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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