2009 in mammal paleontology
This article records new taxa of fossil mammals of every kind that have been described during the year 2009, as well as other significant discoveries and events related to paleontology of mammals that occurred in the year 2009.
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Mammals
- A study by J. R. Foster is published estimating the body masses of mammals from the Late Jurassic Morrison Formation by using the ratio of dentary length to body mass of modern marsupials as a reference. Foster concludes that Docodon was the most massive mammal genus of the formation at 141g and Fruitafossor was the least massive at 6g. The average Morrison mammal had a mass of 48.5g. A graph of the body mass distribution of Morrison mammal genera produced a right-skewed curve, meaning that there were more low-mass genera.[1]
- Fujiwara S.-I. (2009). "Olecranon orientation as an indicator of elbow joint angle in the stance phase, and estimation of forelimb posture in extinct quadruped animals". Journal of Morphology. 270 (9): 1107–1121. doi:10.1002/jmor.10748. PMID 19378290.
- Fujiwara S.-I., Kuwazuru O., Inuzuka N., Yochikawa N. (2009). "Relationship between scapular position and structural strength of rib cage in quadruped animals". Journal of Morphology. 270 (9): 1084–1094. doi:10.1002/jmor.10744. PMID 19378269.CS1 maint: multiple names: authors list (link)
- Mitchell G., van Sittert S.J., Skinner J.D. (2009). "Sexual selection is not the origin of long necks in giraffes". Journal of Zoology. 278 (4): 281–286. doi:10.1111/j.1469-7998.2009.00573.x.CS1 maint: multiple names: authors list (link)
Newly named mammals | ||||||||
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Name | Status | Authors | Age | Unit | Location | Notes | Images | |
Valid |
|
Middle Miocene |
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Valid |
|
Early Wasatchian |
A member of the family Apatemyidae. |
|||||
Valid |
|
Cenomanian |
||||||
Arvicanthis broekhuisi[5] |
Valid |
|
Komnina Formation |
A rodent belonging to the family Muridae, a species of Arvicanthis. |
||||
Bonisicyon[6] |
Valid |
|
Late Miocene |
A bear dog. The type species is Bonisicyon illacabo. |
||||
Choctawius[3] |
Valid |
|
Early Wasatchian |
A member of Primatomorpha belonging to the family Microsyopidae. The type species is C. foxi; genus also includes "Navajovius" mckennai Szalay (1969). |
||||
Colpocherus[3] |
Valid |
|
Early Wasatchian |
A member of the family Amphilemuridae. The type species is C. mississippiensis. |
||||
Corbarimys? nomadus[3] |
Valid |
|
Early Wasatchian |
|||||
Valid |
|
Aptian |
First Australian multituberculate. |
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Valid |
|
early Geiseltalian |
| |||||
Valid |
|
Late Oligocene |
A rhinoceros, a species of Diaceratherium. |
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Diacocherus dockeryi[3] |
Valid |
|
Early Wasatchian |
A member of Erinaceomorpha belonging to the group Litocherinae. |
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Disallomys[10] |
Valid |
|
Late Oligocene |
United States |
An aplodontiid rodent, a new genus for the species "Allomys" storeri Tedrow and Korth. Genus also contains two new species: Disallomys robustus and D. intermedius. |
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Douglassciurus sapphirus[11] |
Valid |
|
Late Oligocene |
United States |
||||
Valid |
|
Middle Eocene |
An anoplotheriine artiodactyl |
|||||
Valid |
|
Early Wasatchian |
||||||
Eogale[3] |
Valid |
|
Early Wasatchian |
A member of the family Miacidae. The type species is E. parydros. |
||||
Valid |
|
Early Thanetian |
The oldest, smallest and most primitive elephant relative. |
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Franimys? actites[3] |
Valid |
|
Early Wasatchian |
|||||
Valid |
|
late Middle Eocene |
Pondaung Formation |
|||||
Haplomylus meridionalis[3] |
Valid |
|
Early Wasatchian |
A member of the family Hyopsodontidae. |
||||
Heliscomys walshi[15] |
Valid |
|
Middle Eocene |
United States |
A heliscomyid rodent, a species of Heliscomys. |
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Howellictis[16] |
Valid |
|
Late Miocene |
A member of Mustelidae belonging to the subfamily Mellivorinae. The type species is H. valentini. |
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Valid |
|
Late Oligocene |
A thryonomyoid rodent |
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Legionarictis[18] |
Valid |
|
Miocene (Barstovian) |
United States |
A mustelid. The type species is Legionarictis fortidens. |
|||
Valid |
|
early Middle Eocene |
Habib Rahi Formation |
|
||||
Valid |
|
Late Oligocene |
Sarmiento Formation |
An astrapothere astrapotherid. |
||||
Valid |
|
Aptian/Albian |
Fuxin Formation |
A alticonodontine triconodontid |
||||
Valid |
|
Early Wasatchian |
||||||
Microtodon komanensis[5] |
Valid |
|
Early Pliocene |
Ptolemais Formation |
A rodent. |
|||
Valid |
|
Early Wasatchian |
||||||
Valid |
|
Early Wasatchian |
||||||
Miosengi[23] |
Valid |
|
Early Miocene |
Lothidok Formation |
An elephant shrew. The type species is M. butleri. |
|||
Valid |
|
Middle to late Pleistocene |
A fossil subspecies of the least weasel. |
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Myomimus igdeliensis[25] |
Valid |
|
||||||
Mytonolagus ashcrafti[26] |
Valid |
|
A member of the family Leporidae. |
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Valid |
|
Middle Oligocene |
A lophiomerycid ruminant |
|||||
Naranius americanus[3] |
Valid |
|
Early Wasatchian |
A member of the family Cimolestidae. |
||||
Valid |
|
Late Oligocene |
United States |
An aplodontiid rodent, a species of Niglarodon. |
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Notiolofos[28] |
Valid |
|
A member of Litopterna belonging to the family Sparnotheriodontidae; a replacement name for Notolophus Bond et al. (2006).[29] |
|||||
Occitanomys (Rhodomys) vandami[30] |
Valid |
|
A member of the family Muridae. |
|||||
Ochotona mediterranensis[31] |
Valid |
|
A pika. |
|||||
Oligospermophilus emryi[11] |
Valid |
|
Late Oligocene |
United States |
A cedromurine squirrel, a species of Oligospermophilus emryi. |
|||
Valid |
|
Early Wasatchian |
||||||
Valid |
|
Early Wasatchian |
||||||
Praesinomegaceros venustus[32] |
Valid |
|
Late Miocene (late Turolian) |
A megacerine deer, a species of Praesinomegaceros. |
||||
Proconsul meswae[33] |
Valid |
|
Early Miocene |
A species of Proconsul[33] or Ugandapithecus.[34] |
||||
Prosciurus clausulus[10] |
Valid |
|
Late Oligocene |
United States |
An aplodontiid rodent, a species of Prosciurus. |
|||
Valid |
|
Late Oligocene |
United States |
An erinaceid, a species of Proterix. |
||||
Pseudomeriones hansi[36] |
Valid |
|
A gerbil. |
|||||
Valid |
|
Early Miocene |
Extinct genus of pinniped. |
| ||||
Sallamys quispea[38] |
Valid |
|
Moquegua Formation |
A caviomorph rodent related to the group Octodontoidea. Originally described as a species of Sallamys; subsequently transferred to the genus Migraveramus by Pérez et al. (in press).[39] |
||||
Simplomys[40] |
Valid |
|
A dormouse. The type species is "Pseudodryomys" simplicidens De Bruijn (1966); genus also includes "Pseudodryomys" robustus De Bruijn (1967), "Pseudodryomys" aljaphi Hugueney et al. (1978) and "Pseudodryomys" julii Daams (1989), as well as new species S. meulenorum. |
|||||
Viverriscus[3] |
Valid |
|
Early Wasatchian |
A member of the family Viverravidae. The type species is V. omnivorus. |
||||
Valid |
|
Early Wasatchian |
A member of Soricomorpha belonging to the family Nyctitheriidae. |
|||||
Notes
References
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