Early Eocene mammals from the Driftwood Creek beds, Driftwood Canyon Provincial Park, northern British Columbia
The early Eocene is an important time in Cenozoic history because it marked the height of global warming, coincident with significant reorganization of the mammalian biota. In North America, our understanding of mammalian diversity during this interval is largely limited to a fossil record south of...
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Online Access: | https://ir.library.carleton.ca/pub/23172 https://doi.org/10.1080/02724634.2014.838175 |
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ftcarletonunivir:oai:carleton.ca:23172 2023-05-15T15:10:42+02:00 Early Eocene mammals from the Driftwood Creek beds, Driftwood Canyon Provincial Park, northern British Columbia Eberle, J.J. (Jaelyn J.) Rybczynski, N. (Natalia) Greenwood, D.R. (David R.) 2014-06-07 https://ir.library.carleton.ca/pub/23172 https://doi.org/10.1080/02724634.2014.838175 en eng https://ir.library.carleton.ca/pub/23172 doi:10.1080/02724634.2014.838175 Journal of Vertebrate Paleontology vol. 34 no. 4, pp. 739-746 info:eu-repo/semantics/article 2014 ftcarletonunivir https://doi.org/10.1080/02724634.2014.838175 2022-02-06T21:50:13Z The early Eocene is an important time in Cenozoic history because it marked the height of global warming, coincident with significant reorganization of the mammalian biota. In North America, our understanding of mammalian diversity during this interval is largely limited to a fossil record south of the 49th Parallel. New discoveries in the early Eocene Driftwood Creek beds (Ootsa Lake Group), northern British Columbia (∼55°N) double the known diversity of Eocene mammals from this Canadian province and provide a window into the mammalian community that lived near the northernmost lake of the Okanagan Highlands, a series of Eocene lake deposits extending north-south from Republic, Washington, to Smithers, northern British Columbia. A diverse insect and fish fauna has been described from Okanagan Highlands Eocene lake shales, together with a diverse flora, interpreted as a cool upland forested landscape. We report the tapiroid cf. Heptodon and an erinaceomorph lipotyphlan Silvacola acares, gen. et sp. nov., from the Driftwood Creek beds. Presence of cf. Heptodon is consistent with the late early Eocene age of the Driftwood Creek beds determined by radiometric dating and palynology. Heptodon is otherwise known from Eocene localities in Wyoming and Colorado as well as Ellesmere Island in the High Arctic, whereas erinaceids are recorded from late Paleocene sites in Alberta, Saskatchewan, and the U.S. Western Interior and are relatively uncommon at Eocene sites in the U.S. Western Interior. Occurrence of cf. Heptodon at Driftwood Canyon supports the hypothesis proposed by others that tapiroids are proxies of densely forested habitats. Article in Journal/Newspaper Arctic Ellesmere Island Global warming Carleton University's Institutional Repository Arctic Ellesmere Island Smithers ENVELOPE(-127.174,-127.174,54.780,54.780) Driftwood Creek ENVELOPE(-127.079,-127.079,54.817,54.817) Ootsa Lake ENVELOPE(-126.137,-126.137,53.780,53.780) Journal of Vertebrate Paleontology 34 4 739 746 |
institution |
Open Polar |
collection |
Carleton University's Institutional Repository |
op_collection_id |
ftcarletonunivir |
language |
English |
description |
The early Eocene is an important time in Cenozoic history because it marked the height of global warming, coincident with significant reorganization of the mammalian biota. In North America, our understanding of mammalian diversity during this interval is largely limited to a fossil record south of the 49th Parallel. New discoveries in the early Eocene Driftwood Creek beds (Ootsa Lake Group), northern British Columbia (∼55°N) double the known diversity of Eocene mammals from this Canadian province and provide a window into the mammalian community that lived near the northernmost lake of the Okanagan Highlands, a series of Eocene lake deposits extending north-south from Republic, Washington, to Smithers, northern British Columbia. A diverse insect and fish fauna has been described from Okanagan Highlands Eocene lake shales, together with a diverse flora, interpreted as a cool upland forested landscape. We report the tapiroid cf. Heptodon and an erinaceomorph lipotyphlan Silvacola acares, gen. et sp. nov., from the Driftwood Creek beds. Presence of cf. Heptodon is consistent with the late early Eocene age of the Driftwood Creek beds determined by radiometric dating and palynology. Heptodon is otherwise known from Eocene localities in Wyoming and Colorado as well as Ellesmere Island in the High Arctic, whereas erinaceids are recorded from late Paleocene sites in Alberta, Saskatchewan, and the U.S. Western Interior and are relatively uncommon at Eocene sites in the U.S. Western Interior. Occurrence of cf. Heptodon at Driftwood Canyon supports the hypothesis proposed by others that tapiroids are proxies of densely forested habitats. |
format |
Article in Journal/Newspaper |
author |
Eberle, J.J. (Jaelyn J.) Rybczynski, N. (Natalia) Greenwood, D.R. (David R.) |
spellingShingle |
Eberle, J.J. (Jaelyn J.) Rybczynski, N. (Natalia) Greenwood, D.R. (David R.) Early Eocene mammals from the Driftwood Creek beds, Driftwood Canyon Provincial Park, northern British Columbia |
author_facet |
Eberle, J.J. (Jaelyn J.) Rybczynski, N. (Natalia) Greenwood, D.R. (David R.) |
author_sort |
Eberle, J.J. (Jaelyn J.) |
title |
Early Eocene mammals from the Driftwood Creek beds, Driftwood Canyon Provincial Park, northern British Columbia |
title_short |
Early Eocene mammals from the Driftwood Creek beds, Driftwood Canyon Provincial Park, northern British Columbia |
title_full |
Early Eocene mammals from the Driftwood Creek beds, Driftwood Canyon Provincial Park, northern British Columbia |
title_fullStr |
Early Eocene mammals from the Driftwood Creek beds, Driftwood Canyon Provincial Park, northern British Columbia |
title_full_unstemmed |
Early Eocene mammals from the Driftwood Creek beds, Driftwood Canyon Provincial Park, northern British Columbia |
title_sort |
early eocene mammals from the driftwood creek beds, driftwood canyon provincial park, northern british columbia |
publishDate |
2014 |
url |
https://ir.library.carleton.ca/pub/23172 https://doi.org/10.1080/02724634.2014.838175 |
long_lat |
ENVELOPE(-127.174,-127.174,54.780,54.780) ENVELOPE(-127.079,-127.079,54.817,54.817) ENVELOPE(-126.137,-126.137,53.780,53.780) |
geographic |
Arctic Ellesmere Island Smithers Driftwood Creek Ootsa Lake |
geographic_facet |
Arctic Ellesmere Island Smithers Driftwood Creek Ootsa Lake |
genre |
Arctic Ellesmere Island Global warming |
genre_facet |
Arctic Ellesmere Island Global warming |
op_source |
Journal of Vertebrate Paleontology vol. 34 no. 4, pp. 739-746 |
op_relation |
https://ir.library.carleton.ca/pub/23172 doi:10.1080/02724634.2014.838175 |
op_doi |
https://doi.org/10.1080/02724634.2014.838175 |
container_title |
Journal of Vertebrate Paleontology |
container_volume |
34 |
container_issue |
4 |
container_start_page |
739 |
op_container_end_page |
746 |
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1766341681639063552 |