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Dissacus ✝

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Description

Dissacus is a genus of extinct carnivorous jackal to coyote-sized mammals within the family Mesonychidae whose fossils are found in Paleocene to Early Eocene aged strata in France, Asia and southwest North America, 66—50.3 mya, existing for approximately 15.7 million years.

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

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4832496	https://www.gbif.org/species/4832496
PaleoBioDB ID (PBDB)	42912	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=42912

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Chordata : Mammalia : Cetacea : Mesonychidae : Dissacus

Taxonomy (PBDB)

Life : Animalia : Chordata : Mammalia : Acreodi : Mesonychidae : Dissacus

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	Acreodi	Matthew 1909
-	Mesonychia
family	Mesonychidae	Cope 1875
genus	Dissacus	Cope 1881

Scientific Name

Dissacus Cope, 1881

Name Published In

Amer. Natural., 15,

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Dissacus	genus	belongs to Mesonychidae	stated without evidence	Cope, 1881
Dissacus	genus	belongs to Mesonychidae	stated with evidence	Scott, 1892
Dissacus	genus	belongs to Mesonychidae	stated without evidence	Hay, 1902
Dissacus	genus	belongs to Mesonychinae	stated without evidence	Szalay and Gould, 1966
Dissacus	genus	belongs to Mesonychidae	stated without evidence	Chow et al., 1973
Dissacus	genus	belongs to Mesonychidae	implied	Carroll, 1988
Dissacus	genus	belongs to Mesonychinae	stated with evidence	Zhou et al., 1995
Dissacus	genus	belongs to Mesonychidae	stated without evidence	McKenna and Bell, 1997
Dissacus	genus	belongs to Mesonychidae	stated with evidence	Geisler and McKenna, 2007
Dissacus	genus	belongs to Mesonychidae	stated without evidence	Rose et al., 2012
Dissacus	genus	belongs to Mesonychidae	stated with evidence	Solé et al., 2018

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

66.0 - 63.3 Ma
Paleocene

Last Recorded Appearance

55.8 - 47.8 Ma
Eocene

Environment

terrestrial (based on Eutheria)

Motility

actively mobile (based on Osteichthyes)

Diet

carnivore (based on Mesonychidae)

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/Dissacus

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Dissacus argenteus ✝ species	accepted (GBIF) listed (PBDB)		3	61.7 Ma Paleocene	56.8 Ma Paleocene
Dissacus blayaci ✝ species	accepted (GBIF) listed (PBDB)		2	56.0 Ma Paleocene	55.8 Ma Eocene
Dissacus bohaiensis ✝ species	accepted (GBIF) listed (PBDB)		1	55.8 Ma Eocene	55.8 Ma Eocene
Dissacus europaeus ✝ species	accepted (GBIF) listed (PBDB)		3	59.2 Ma Paleocene	56.0 Ma Paleocene
Dissacus filholi ✝ species	listed (PBDB)		2	56.0 Ma Paleocene	56.0 Ma Paleocene
Dissacus indigenus ✝ species	accepted (GBIF) listed (PBDB)
Dissacus magushanensis ✝ species	accepted (GBIF) listed (PBDB)		2	61.7 Ma Paleocene	61.7 Ma Paleocene
Dissacus praenuntius ✝ species	accepted (GBIF) listed (PBDB)		30	61.7 Ma Paleocene	55.8 Ma Eocene
Dissacus progressus ✝ species	accepted (GBIF) listed (PBDB)		1	55.8 Ma Eocene	55.8 Ma Eocene
Dissacus raslanloubatieri ✝ species	accepted (GBIF) listed (PBDB)		2	56.0 Ma Paleocene	55.8 Ma Eocene
Dissacus rotundus ✝ species	accepted (GBIF) listed (PBDB)		1	66.0 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Dissacus rougierae ✝ species	accepted (GBIF) listed (PBDB)		1	56.0 Ma Paleocene	56.0 Ma Paleocene
Dissacus serior ✝ species	accepted (GBIF) listed (PBDB)
Dissacus serratus ✝ species	listed (PBDB)		3	58.7 Ma Paleocene	58.7 Ma Paleocene
Dissacus shanghoensis ✝ species	accepted (GBIF) listed (PBDB)		2	66.0 Ma Late/Upper Cretaceous	66.0 Ma Late/Upper Cretaceous
Dissacus shangoensis species	accepted (GBIF)	No associated record in PBDB
Dissacus willwoodensis ✝ species	accepted (GBIF) listed (PBDB)
Dissacus zanabazari ✝ species	accepted (GBIF) listed (PBDB)		1	55.8 Ma Eocene	55.8 Ma Eocene
Dissacus zengi ✝ species	accepted (GBIF) listed (PBDB)
Hyaenodictis filholi species	accepted (GBIF)	No associated record in PBDB
Mesonyx navajovius ✝ species	accepted (GBIF) listed (PBDB)		12	66.0 Ma Late/Upper Cretaceous	56.8 Ma Paleocene
Plagiocristodon serratus species	accepted (GBIF)	No associated record in PBDB

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Hyaenodictis Lemoine, 1891	GBIF	genus	Animalia : Chordata : Mammalia : Cetacea : Mesonychidae : *Hyaenodictis*

Synonymy List

Year	Name and Author
1880	Hyoenodictis Lemoine p. 5
1881	Dissacus Cope
1891	Hyaenodictis Lemoine p. 272
1892	Dissacus Scott p. 303
1894	Plesidissacus Lemoine p. 353
1902	Dissacus Hay p. 749
1966	Dissacus Szalay and Gould p. 134
1973	Dissacus Chow et al.
1977	Dissacus Chow et al.

Year	Name and Author
1988	Dissacus Carroll
1995	Dissacus Zhou et al. p. 397
1997	Dissacus McKenna and Bell p. 367
1998	Dissacus Archibald p. 317
1998	Dissacus Gingerich p. 427 figs. FIgure 1
2001	Dissacus Thewissen et al. p. suppl.
2007	Dissacus Geisler and McKenna p. 190
2012	Dissacus Rose et al.
2018	Dissacus Solé et al.

References

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

Scott W. B. A revision of the North American Creodonta with notes on some genera which have been referred to that group, Proceedings of the Academy of Natural Sciences, Philadelphia 44, 291-323

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

Szalay F. S., Gould S. J. (1966) Asiatic Mesonychidae (Mammalia, Condylarthra), Bulletin of the American Museum of Natural History 132 2, 129-173

Chow M. M., Chang Y.-P., et al (1973) New mammalian genera and species from the Paleocene of Nanhsiung, N. Kwangtung, Vertebrata PalAsiatica 11 1, 31-35

Chow M., Zhang Y., et al (1977) Paleocene mammalian fauna from the Nanxiong Basin, Guangdong Province, Paleontologica Sinica, new series C 20

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

Zhou X., Zhai R., et al (1995) Skull of a new mesonychid (Mammalia, Mesonychia) from the late Paleocene of China, Journal of Vertebrate Paleontology 15 2, 387-400

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

Archibald J. D. (1998) Archaic ungulates ("Condylarthra"), Evolution of Tertiary Mammals of North America 1, 292-331

Gingerich P. D. (1998) Paleobiological perspectives on Mesonychia, Archaeoceti, and the origin of whales, Emergence of Whales: Evolutionary Patterns in the Origin of Cetacea, 423-449

Thewissen J. G. M, Williams E. M., et al (2001) Skeletons of terrestrial cetaceans and the relationship of whales to artiodactyls, Nature 413, 277-281

Geisler J. H., McKenna M. C. (2007) A new species of mesonychian mammal from the lower Eocene of Mongolia and its phylogenetic relationships, Acta Palaeontologica Polonica 52 1, 189-212

Rose K. D., Chew A. E., et al (2012) Earliest Eocene mammalian fauna from the Paleocene-Eocene Thermal Maximum at Sand Creek Divide, southern Bighorn Basin, Wyoming, University of Michigan Papers on Paleontology 36, 1-122

Solé F., Godinot M., et al (2018) The European Mesonychid Mammals: Phylogeny, Ecology, Biogeography, and Biochronology, Journal of Mammalian Evolution 25, 339-379 doi:10.1007/s10914-016-9371-8

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

Amer. Natural., 15, - 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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