| Description | Desmostylus is an extinct genus of herbivorous mammal of the family Desmostylidae living from the Chattian stage of the Late Oligocene subepoch through the Late Miocene subepoch (28.4 mya—7.250 Mya) and in existence for approximately 21.2 million years.
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| Source Data | |
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| Rank | genus |
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| Taxonomy (GBIF) | Life : Animalia : Chordata : Mammalia : Desmostylidae : Desmostylus |
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| Taxonomy (PBDB) | Life : Animalia : Chordata : Mammalia : Desmostyloidea : Desmostylidae : Desmostylus |
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| Taxonomic Status (GBIF) | accepted |
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Classification
(PBDB,GBIF) | |
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| Scientific Name | Desmostylus Marsh, 1888 |
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| Name Published In | Amer. J. Sci., (3) 35 |
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| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
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| Desmostylus | genus | belongs to Sirenia | stated without evidence | Marsh, 1888 | | Desmostylus | genus | belongs to Halicoridae | stated without evidence | Trouessart, 1898 | | Desmostylus | genus | belongs to Halitheriidae | stated without evidence | Hay, 1902 | | Desmostylus | genus | belongs to Halicoridae | stated without evidence | Trouessart, 1904 | | Desmostylus | genus | belongs to Halitheriidae | stated without evidence | Palmer, 1904 | | Desmostylus | genus | belongs to Desmostylidae | stated without evidence | Hay, 1915 | | Desmostylus | genus | belongs to Desmostyliformes | stated without evidence | Hay, 1923 | | Desmostylus | genus | belongs to Sirenia | stated without evidence | Clark and Arnold, 1923 | | Desmostylus | genus | belongs to Desmostylidae | stated without evidence | Hay, 1930 | | Desmostylus | genus | belongs to Desmostylidae | stated with evidence | VanderHoof, 1937 | | Desmostylus | genus | belongs to Desmostylidae | stated without evidence | Kretzoi, 1941 | | Desmostylus | genus | belongs to Desmostylia | stated without evidence | Domning et al., 1986 | | Desmostylus | genus | belongs to Desmostylidae | implied | Carroll, 1988 | | Desmostylus | genus | belongs to Desmostylia | stated without evidence | Hasegawa et al., 1995 | | Desmostylus | genus | belongs to Desmostylidae | stated without evidence | Inuzuka et al., 1995 | | Desmostylus | genus | belongs to Desmostylia | stated with evidence | Domning, 1996 | | Desmostylus | genus | belongs to Desmostylidae | stated without evidence | McKenna and Bell, 1997 | | Desmostylus | genus | belongs to Desmostylia | second hand | Sepkoski, 2002 | | Desmostylus | genus | belongs to Desmostylia | stated with evidence | Domning, 2008 | | Desmostylus | genus | belongs to Desmostylidae | stated with evidence | Beatty, 2009 | | Desmostylus | genus | belongs to Desmostylidae | stated without evidence | Boessenecker, 2011 | | Desmostylus | genus | belongs to Desmostylia | stated without evidence | Berta, 2017 | | Desmostylus | genus | belongs to Desmostylidae | stated without evidence | Matsui, 2017 | | Desmostylus | genus | belongs to Desmostylidae | stated with evidence | Matsui and Tsuihiji, 2019 |
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| Status (PBDB) | extinct |
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| Taxon Size (PBDB) | 2 |
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| First Recorded Appearance | 33.9 - 20.4 Ma
Cenozoic |
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| Last Recorded Appearance | 11.6 - 5.3 Ma
Miocene |
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| Environment | coastal (based on Desmostylia) |
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| Motility | actively mobile (based on Desmostylia) |
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| Diet | herbivore (based on Desmostylia) |
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| Reproduction | viviparous (based on Desmostylia) |
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| Ontogeny | modification of parts (based on Desmostylia) |
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| Taphonomy | hydroxylapatite (based on Desmostylia) |
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| Primary Reference (PBDB) | O. C. Marsh. 1888. Notice of a new fossil sirenian, from California. American Journal of Science 25(8):94-96 |
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| Wikipedia | https://en.wikipedia.org/wiki/Desmostylus |
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| Marsh O. C. Notice of a new fossil sirenian, from California, American Journal of Science 25 8, 94-96 |
| Trouessart E. L. , Catalogus mammalium tam viventium quam fossilum 5, 665-1264 |
| Hay O. P. (1902) , Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179, 1-868 |
| Palmer T. S. (1904) Index generum mammalium: a list of the genera and families of mammals, North American Fauna 23, 1-984 |
| Trouessart E. L. (1904) , Catalogus Mammalium Tam Viventium Quam Fossilium, Fourth Edition, 1-929 |
| Hay O. (1915) A contribution to the knowledge of the extinct sirenian Desmostylus hesperus Marsh, Proceedings of the United States National Museum 49, 381-397 |
| Clark B. L., Arnold R. (1923) Fauna of the Sooke Formation Vancouver Island, University of California Publications, Bulletin of the Department of Geological Sciences 14 5, 123-234 |
| Hay O. P. (1923) Characteristics of Sundry Fossil Vertebrates, Pan-American Geologist 39, 101-120 |
| Hay O. P. (1930) Second Bibliography and Catalogue of the Fossil Vertebrata of North America, Carnegie Institution of Washington 390 II, 1-1074 |
| Simpson G. G. (1932) Fossil Sirenia of Florida and the evolution of the Sirenia, Bulletin of the American Museum of Natural History 59 8, 419-503 |
| Nagao T. (1937) Desmostylella, a new genus of Desmostylidae from Japan, Proceedings of the Imperial Academy, Tokyo 13 3, 82-85 |
| VanderHoof V. L. (1937) A study of the Miocene sirenian Desmostylus, University of California Publications in Geological Sciences 24 8, 169-262 |
| Kretzoi M. (1941) Sirenavus hungaricus N. G. N. Sp., ein Neuer Prorastomide aus dem Mitteleozan (Lutetium) von Felsogallia in Ungarn, Annales Musei Nationalis Hungaricic Pars Mineralogica, Geologica et Palaeontologica 34, 146-156 |
| Reinhart R. H. (1959) A review of the Sirenia and Desmostylia, University of California Publications in Geological Sciences 36 1, 1-146 |
| Shikama T. (1966) Postcranial skeletons of Japanese Desmostylia, Palaeontological Society of Japan Special Papers 12, 1-202 |
| Dubrovo I. A., Sinel'nikova V. N. (1971) Neogene desmostylids of Kamchatka, Doklady Akademii Nausk SSSR 199 3, 670-673 |
| Domning D. P., Ray C. E., et al (1986) Two new Oligocene desmostylians and a discussion of Tethytherian systematics, Smithsonian Contributions to Paleobiology 59, 1-56 |
| Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698 |
| Hasegawa Y., Muramatsu T., et al (1995) A desmostylian tooth from the Tomikusa Group, Nagano Prefecture, Scientific Reports of the Yokohoma National University, Section II 41/42, 1-11 |
| Domning D. P. (1996) Bibliography and Index of the Sirenia and Desmostylia, Smithsonian Contributions to Paleobiology 80, 1-611 |
| McKenna M. C., Bell S. K. (1997) , Classification of Mammals Above the Species Level, 1-640 |
| Inuzuka N. (2000) Primitive late Oligocene desmostylians from Japan and Phylogeny of the Desmostylia, Bulletin of the Ashoro Museum of Paleontology 1, 91-123 |
| Barnes L. G., Goedert J. L. (2001) Stratigraphy and paleoecology of Oligocene and Miocene desmostylian occurrences in Western Washington State, U.S.A., Bulletin of the Ashoro Museum of Paleontology 2, 7-22 |
| Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560 |
| Domning D. P. (2008) Desmostylia, Evolution of Tertiary Mammals of North America, Volume II, 640-645 |
| Beatty B. L. (2009) New material of Cornwallius sookensis (Mammalia: Desmostylia) from the Yaquina Formation of Oregon, Journal of Vertebrate Paleontology 29 3, 894-909 |
| Boessenecker R. W. (2011) Herpetocetine (Cetacea: Mysticeti) dentaries from the Upper Miocene Santa Margarita Sandstone of Central California, PaleoBios 30 1, 1-12 |
| Berta A. (2017) , The Rise of Marine Mammals: 50 Million Years of Evolution, 1-198 |
| Matsui K. (2017) How can we reliably identify a taxon based on humeral morphology? Comparative morphology of desmostylian humeri, PeerJ 5, e4011 doi:10.7717/peerj.4011 |
| Matsui K., Tsuihiji T. (2019) The phylogeny of desmostylians revisited: proposal of new clades based on robust phylogenetic hypotheses, PeerJ 7, e7430 doi:10.7717/peerj.7430 |
| 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 |
| Sepkoski, J. J., Jr. (2002). A compendium of fossil marine animal genera. Bulletins of American Paleontology. 363, 1-560. - via The Interim Register of Marine and Nonmarine Genera |
| as per family - via The Interim Register of Marine and Nonmarine Genera |
| Amer. J. Sci., (3) 35 - via The Interim Register of Marine and Nonmarine Genera |
| Domning, 2010 - via The Interim Register of Marine and Nonmarine Genera |
Desmostylus ✝
