Fleming Fjord Formation
The Fleming Fjord Formation is an Upper Triassic geological formation in the northeastern coast of Jameson Land, Greenland.
| Fleming Fjord Formation Stratigraphic range: Norian-Rhaetian ~ | |
|---|---|
 Eosauropus tracks from the Fleming Fjord Formation | |
| Type | Geological formation |
| Unit of | Scoresby Land Group |
| Sub-units | Edderfugledal, Malmros Klint & Ørsted Dal Members |
| Underlies | Kap Stewart Group |
| Overlies | Gippsdalen Formation |
| Area | 3,000 km2 (1,200 sq mi) |
| Thickness | 200–300 m (660–980 ft) |
| Lithology | |
| Primary | Mudstone, claystone |
| Other | Limestone, sandstone |
| Location | |
| Coordinates | 71.8°N 23.6°W |
| Approximate paleocoordinates | 45.7°N 2.8°W |
| Region | East Greenland |
| Country |  Greenland |
| Extent | Jameson Land |
| Type section | |
| Named for | Fleming Fjord |
  Fleming Fjord Formation (Greenland) | |
Description
It is of Norian to Rhaetian age and is subdivided into three members; at the base the Edderfugledal Member, followed by the Malmros Klint Member with the Ørsted Dal Member at the top. It was deposited in a large shallow to ephemeral lake.[1]
Vertebrate paleofauna
The fauna of Fleming Fjord includes:[2]
Fish
- "Lepidotes" fish[2]
- Selachimorpha indet. (coprolites)[3]
Cynodonts
- cf. Brachyzostrodon sp.[6]
- Haramiyavia clemmenseni[6]
- Kalaallitkigun jenkinsi[6]
- Kuehneotherium sp.[6]
- Mitredon cromptoni[6]
Reptiles
- cf. Brachychirotherium[7]
- Eosauropus cimarronensis (tracks)[8]
- Proganochelys quenstedti[9]
- Phytosauria indet.[2]
- Issi saaneq[10]
- Theropoda indet. (tracks)[8]
See also
References
- Clemmensen, L.B.; Kent, D.V.; Jenkins, F.A.,Jr. (1998). "A Late Triassic lake system in East Greenland: facies, depositional cycles and palaeoclimate" (PDF). Palaeogeography, Palaeoclimatology, Palaeoecology. Elsevier. 140 (1–4): 135–159. doi:10.1016/s0031-0182(98)00043-1. Retrieved 2 December 2012.
- Clemmensen, Lars B.; Milàn, Jesper; Adolfssen, Jan Schulz; Estrup, Eliza Jarl; Frobøse, Nicolai; Klein, Nicole; Mateus, Octávio; Wings, Oliver (2015-12-16). "The vertebrate-bearing Late Triassic Fleming Fjord Formation of central East Greenland revisited: stratigraphy, palaeoclimate and new palaeontological data". Geological Society, London, Special Publications. 434 (1): 31–47. doi:10.1144/sp434.3. ISSN 0305-8719. S2CID 130069487.
- Hansen, Bitten Bolvig; Milàn, Jesper; Clemmensen, Lars B.; Adolfssen, Jan Schulz; Estrup, Eliza Jarl; Klein, Nicole; Mateus, Octávio; Wings, Oliver (2015-12-17). "Coprolites from the Late Triassic Kap Stewart Formation, Jameson Land, East Greenland: morphology, classification and prey inclusions". Geological Society, London, Special Publications. 434 (1): 49–69. doi:10.1144/sp434.12. ISSN 0305-8719. S2CID 130321311.
- Marco Marzola; Octávio Mateus; Neil H. Shubin; Lars B. Clemmensen (2017). "Cyclotosaurus naraserluki, sp. nov., a new Late Triassic cyclotosaurid (Amphibia, Temnospondyli) from the Fleming Fjord Formation of the Jameson Land Basin (East Greenland)". Journal of Vertebrate Paleontology. 37 (2): e1303501. doi:10.1080/02724634.2017.1303501. hdl:10362/33003. S2CID 134255506.
- Farish A. Jenkins, Jr.; Neil H. Shubin; Stephen M. Gatesy; Anne Warren (2008). "Gerrothorax pulcherrimus from the Upper Triassic Fleming Fjord Formation of East Greenland and a reassessment of head lifting in temnospondyl feeding". Journal of Vertebrate Paleontology. 28 (4): 935–950. doi:10.1671/0272-4634-28.4.935. S2CID 86523094.
- Tomasz Sulej; Grzegorz Krzesiński; Mateusz Tałanda; Andrzej S. Wolniewicz; Błażej Błażejowski; Niels Bonde; Piotr Gutowski; Maksymilian Sienkiewicz; Grzegorz Niedźwiedzki (2020). "The earliest-known mammaliaform fossil from Greenland sheds light on origin of mammals". Proceedings of the National Academy of Sciences of the United States of America. 117 (43): 26861–26867. doi:10.1073/pnas.2012437117. PMC 7604429. PMID 33046636. S2CID 222320190.
- Klein, Hendrik; Milàn, Jesper; Clemmensen, Lars B.; Frobøse, Nicolaj; Mateus, Octávio; Klein, Nicole; Adolfssen, Jan S.; Estrup, Eliza J.; Wings, Oliver (2015-12-16). "Archosaur footprints (cf.Brachychirotherium) with unusual morphology from the Upper Triassic Fleming Fjord Formation (Norian–Rhaetian) of East Greenland". Geological Society, London, Special Publications. 434 (1): 71–85. doi:10.1144/sp434.1. ISSN 0305-8719. S2CID 56216714.
- Lallensack, Jens; Klein, Hendrik; Milán, Jesper; Wings, Oliver; Mateus, Octávio; Clemmensen, Lars (2017). "Sauropodomorph dinosaur trackways from the Fleming Fjord Formation of East Greenland: evidence for Late Triassic sauropods". Acta Palaeontologica Polonica. 62. doi:10.4202/app.00374.2017. ISSN 0567-7920.
- Prothero, D. R. (2015). The Story of Life in 25 Fossils: Tales of Intrepid Fossil Hunters and the Wonders of Evolution. New York, NY: Columbia University Press. ISBN 9780231539425.
- Beccari, V.; Mateus, O.; Wings, O.; Milàn, J.; Clemmensen, L. B. (2021). "Issi saaneq gen. et sp. nov.—A New Sauropodomorph Dinosaur from the Late Triassic (Norian) of Jameson Land, Central East Greenland". Diversity. 13 (11): 561. doi:10.3390/d13110561.
Bibliography
- , and . 2021. Northward dispersal of dinosaurs from Gondwana to Greenland at the mid-Norian (215–212 Ma, Late Triassic) dip in atmospheric pCO2. Proceedings of the National Academy of Sciences of the United States of America 118. e2020778118. doi:10.1073/pnas.2020778118
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