Mergen (Quarry 1): Middle Eocene, Mongolia
collected by Mongolian Academy of Sciences and American Museum of Natural History 1981-1983 1991-1992
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Gruiformes
- Eogruidae
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Eogrus sp.
Wetmore 1934
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Dashzeveg 1991 | |||||||||
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Mammalia
- Acreodi
- Mesonychidae
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Harpagolestes cf. orientalis
Szalay and Gould 1966
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Dashzeveg 1991 | |||||||||
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Mammalia
- Perissodactyla
- Lophialetidae
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Lophialetes sp.
Matthew and Granger 1925
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Dashzeveg and Hooker 1997 | |||||||||
| PSS 41/4-6 and 60-65 | ||||||||||
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= Lophialetes expeditus
Matthew and Granger 1925
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Dashzeveg and Meng 1998 | |||||||||
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Mammalia
- Perissodactyla
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Breviodon minutus
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Rhinocerotoidea indet.
Gray 1821
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Dashzeveg and Hooker 1997 | |||||||||
| PSS 41-67 | ||||||||||
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Mammalia
- Perissodactyla
- Hyracodontidae
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Triplopus mergenensis n. sp.
Dashzeveg 1991
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Dashzeveg 1991 | |||||||||
| PSS 41-1 - type; referred material: PSS 41-2 | ||||||||||
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Ardynia sp.
Matthew and Granger 1923
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Dashzeveg and Hooker 1997 | |||||||||
| PSS 41-66 | ||||||||||
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Mammalia
- Perissodactyla
- Helaletidae
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Irdinolophus mongoliensis
(Osborn 1923)
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Dashzeveg and Hooker 1997 | |||||||||
| original and current combination Desmatotherium mongoliense | ||||||||||
| PSS 41-3 | ||||||||||
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Mammalia
- Helohyidae
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Gobiohyus sp.
Matthew and Granger 1925
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Dashzeveg 1991 | |||||||||
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Mammalia
- Changlelestidae
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Zaraalestes sp.
Storch and Dashzeveg 1997
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Mammalia
- Lagomorpha
- Leporidae
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Gobiolagus sp.
Burke 1941
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Mammalia
- Rodentia
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Yuomys sp.
Li 1975
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Mammalia
- Rodentia
- Gobiomyidae
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Mergenomys orientalis n. gen., n. sp.
Dashzeveg and Meng 1998
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| PSS 41/43 - holotype; referred material: PSS 41/23 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Mongolia |
| Coordinates: | 43.6° North, 109.6° East (view map) |
| Paleocoordinates: | 45.0° North, 103.3° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2-3 | ||
| Key time interval: | Middle Eocene | ||
| Age range of interval: | 47.80000 - 37.71000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | bulk,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | Mongolian Academy of Sciences and American Museum of Natural History | Collection dates: | 1981-1983 and 1991-1992 |
Metadata
| Database number: | 174909 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion | Research group: | vertebrate |
| Created: | 2015-11-30 05:58:56 | Last modified: | 2015-11-30 05:58:56 |
| Access level: | the public | Released: | 2015-11-30 05:58:56 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 45333. | D. Dashzeveg and J. Meng. 1998. New Eocene ctenodactyloid rodents from the Eastern Gobi Desert of Mongolia and a phylogenetic analysis of ctenodactyloids based on dental features. American Museum Novitates 3246 :1-20 [P. Wagner/P. Wagner] |
Secondary references:
| 60713 | D. Dashzeveg. 1991. Hyracodontids and rhinocerotids (Mammalia, Perissodactyla, Rhinocerotoidea) from the Paleogene of Mongolia. Palaeovertebrata 21(1-2):1-84 [P. Mannion/P. Mannion] | |
| 1332 | D. Dashzeveg and J. J. Hooker. 1997. New ceratomorph perissodactyls (Mammalia) from the middle and late Eocene of Mongolia: Their implications for phylogeny and dating. Zoological Journal of the Linnean Society 120:105-138 [J. Alroy/J. Alroy/P. Mannion] |