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Microsyops ✝

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Description

Microsyops annectens is a plesiadapiform primate found in Middle Eocene in North America. It is in the family Microsyopidae. It was a tree-dwelling insectivore. It appears to have had a more developed sense of smell than other early primates.

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

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4827489	https://www.gbif.org/species/4827489
PaleoBioDB ID (PBDB)	40718	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=40718

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Chordata : Mammalia : Primates : Microsyopidae : Microsyops

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
family	Microsyopidae	Osborn and Wortman 1892
subfamily	Microsyopinae	Osborn and Wortman 1892
genus	Microsyops	Leidy 1872

Scientific Name

Microsyops Leidy, 1872

Name Published In

Proc. Acad. Nat. Sci. Philad, 1872

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Microsyops	genus	belongs to Microsyopidae	stated without evidence	Leidy, 1872
Microsyops	genus	belongs to Omnivora	stated with evidence	Leidy, 1873
Microsyops	genus	belongs to Pseudolemuridae	stated without evidence	Schlosser, 1877
Microsyops	genus	belongs to Limnotheriidae	stated without evidence	Hay, 1902
Microsyops	genus	belongs to Microsyopsidae	stated with evidence	Wortman, 1903
Microsyops	genus	belongs to Microsyopinae	stated without evidence	Stock, 1934
Microsyops	genus	belongs to Mixodectidae	stated without evidence	Stock, 1938
Microsyops	genus	belongs to Microsyopidae	stated without evidence	Van Valen, 1967
Microsyops	genus	belongs to Microsyopinae	stated with evidence	Gunnell, 1989
Microsyops	genus	belongs to Microsyopidae	implied	McKenna and Bell, 1997

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

55.8 - 50.3 Ma
Eocene

Last Recorded Appearance

46.2 - 40.4 Ma
Eocene

Environment

terrestrial (based on Mammalia)

Motility

actively mobile (based on Osteichthyes)

Diet

omnivore (based on Primates)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals.

Wikipedia

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

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Bathrodon annectens ✝ species	accepted (GBIF) listed (PBDB)	13	50.3 Ma Eocene	46.2 Ma Eocene
Cynodontomys angustidens ✝ species	accepted (GBIF) listed (PBDB)	42	55.8 Ma Eocene	50.3 Ma Eocene
Cynodontomys knightensis ✝ species	accepted (GBIF) listed (PBDB)	7	55.8 Ma Eocene	50.3 Ma Eocene
Cynodontomys latidens ✝ species	accepted (GBIF) listed (PBDB)	43	55.8 Ma Eocene	55.8 Ma Eocene
Limnotherium elegans ✝ species	accepted (GBIF) listed (PBDB)	64	55.8 Ma Eocene	50.3 Ma Eocene
Microsyops cardiorestes ✝ species	accepted (GBIF) listed (PBDB)	7	55.8 Ma Eocene	55.8 Ma Eocene
Microsyops kratos ✝ species	accepted (GBIF) listed (PBDB)	4	46.2 Ma Eocene	46.2 Ma Eocene
Microsyops scottianus ✝ species	accepted (GBIF) listed (PBDB)	33	55.8 Ma Eocene	50.3 Ma Eocene
Microsyops vicarius ✝ species	accepted (GBIF) listed (PBDB)

Synonymy List

Year	Name and Author
1872	Microsyops Leidy
1872	Palaeacodon Leidy
1872	Bathrodon Marsh
1872	Mesacodon Marsh
1872	Bathrodon Marsh p. 211
1872	Mesacodon Marsh p. 212
1873	Microsyops Leidy p. 320
1873	Palaeacodon Leidy p. 336
1877	Microsyops Schlosser p. 34
1882	Cynodontomys Cope p. 151
1902	Cynodontomys Hay p. 788
1902	Microsyops Hay p. 791

Year	Name and Author
1902	Bathrodon Hay p. 793
1902	Mesacodon Hay p. 794
1902	Palaeacodon Hay p. 794
1903	Microsyops Wortman p. 352
1934	Cynodontomys Stock p. 351
1934	Microsyops Stock p. 351
1938	Microsyops Stock p. 288
1967	Cynodontomys Van Valen
1967	Microsyops Van Valen
1989	Microsyops Gunnell p. 91
1997	Microsyops McKenna and Bell

References

Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals

Marsh O. C. Preliminary description of new Tertiary mammals. Part II, American Journal of Science 4 21, 202-224 doi:10.2475/ajs.s3-4.21.202

Leidy J. Part I. Contributions to the extinct vertebrate fauna of the western territories, Report of the United States Geological Survey of the Territories 1, 1-358

Schlosser M. Die Affen, Lemuren, Chiropteren, Insectivoren, Marsupialier, Creodonten und Carnivoren des Europaischen Tertiars, Beitrage zur Paleontologie Osterreich-Ungarns un des Orients 6, 1-224

Cope E. D. Contributions to the history of the Vertebrata of the lower Eocene of Wyoming and New Mexico, made during 1881, Proceedings of the American Philosophical Society 20 111, 139-197

Hay O. P. (1902) , Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179, 1-868

Wortman J. L. (1903) Studies of Eocene Mammalia in the Marsh Collection, Peabody Museum. Part II. Primates. Suborder Cheiromyoidea, The American Journal of Science, series 4 16, 345-368

Stock C. (1934) Microsyopsinae and Hyopsodontidae in the Sespe Upper Eocene, California, Proceedings of the National Academy of Sciences 20 6, 349-354

Stock C. (1938) A Tarsiid Primate and a Mixodectid from the Poway Eocene, California, Proceedings of the National Academy of Sciences 24 7, 288-293

Van Valen L. (1967) New Paleocene insectivores and insectivore classification, Bulletin of the American Museum of Natural History 135 5, 217-284

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

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

Proc. Acad. Nat. Sci. Philad, 1872 - 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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