CRETACEOUS VERTEBRATES FROM THE ANDERSON RIVER N.W.T.

1967 ◽  
Vol 4 (1) ◽  
pp. 21-38 ◽  
Author(s):  
Dale A. Russell
Keyword(s):  
Arctic Ocean ◽  
Late Cretaceous ◽  
The Arctic ◽  
Lower Horizon ◽  
The Arctic Ocean

Vertebrate remains have been recovered from two horizons in late Cretaceous strata along the east bank of the Anderson River at latitude 69 °N. The lower horizon has produced a fauna very similar to that of the Niobrara Chalk in western Kansas, including mosasaurs, plesiosaurs, and abundant toothed birds. The upper horizon has yielded a moderately short-necked plesiosaur of cimoliasaurian affinities. These vertebrates lived in or near a strait linking the Arctic Ocean with the interior sea in very late Cretaceous time.

scholarly journals The age of the Kap Washington Group volcanics, North Greenland

1982 ◽  
Vol 31 ◽  
pp. 49-55
Author(s):  
O. Larsen
Keyword(s):  
Arctic Ocean ◽  
Late Cretaceous ◽  
Volcanic Activity ◽  
Coastal Region ◽  
Ocean Basin ◽  
The Arctic ◽  
Fossil Plant ◽  
Plant Remains ◽  
The Arctic Ocean ◽  
North Greenland

The Kap Washington Group of peralkaline volcanics is exposed along the coast of North Greenland at 40°W. This coastal region is intruded by numerous NNE-NW-trending dolerite dykes of alkaline affinity. The volcanics and their basic intrusive counterparts appear to be related to the initial rifting in the Arctic Ocean basin. The timing of this rifting may be supported by accurate dating of the associated volcanic activity. An improved Rb/Sr age of 64±3 million years (i.e. approximately at the Cretaceous-Tertiary boundary) has been determined on rhyolitic lavas collected at Kap Kane, probably near the top of the volcanic sequence. The extrusive volcanic activity probably started already in late Cretaceous time, as in­dicated by fossil plant remains, found in sediments interbedded with the lavas on Lockwood 0.

Late Cretaceous (Maestrichtian?) Silicoflagellates from the Alpha Cordillera of the Arctic Ocean

Science ◽  
1973 ◽  
Vol 180 (4093) ◽  
pp. 1360-1361 ◽  
Author(s):  
H. Y. Ling ◽  
L. M. McPherson ◽  
D. L. Clark
Keyword(s):  
Arctic Ocean ◽  
Late Cretaceous ◽  
The Arctic ◽  
The Arctic Ocean

USGS Arctic Ocean Carbon Cruise 2012: Field Activity L-01-12-AR to collect carbon data in the Arctic Ocean, August-September 2012

Data Series ◽  
10.3133/ds862 ◽  
2014 ◽  
Author(s):  
Lisa L. Robbins ◽  
Jonathan Wynn ◽  
Paul O. Knorr ◽  
Bogdan Onac ◽  
John T. Lisle ◽  
...  
Keyword(s):  
Arctic Ocean ◽  
The Arctic ◽  
Field Activity ◽  
The Arctic Ocean ◽  
Ocean Carbon

A remarkable pogonophoran from a desalted shallow near the mouth of the Yenisey River in the Kara Sea, with the description of a new species of the genus Galathealinum (Annelida: Pogonophora: Frenulata)

2020 ◽  
Vol 29 (1) ◽  
pp. 138-154
Author(s):  
R.V. Smirnov ◽  
O.V. Zaitseva ◽  
A.A. Vedenin
Keyword(s):  
New Species ◽  
Arctic Ocean ◽  
Anterior Part ◽  
Morphological Characters ◽  
Kara Sea ◽  
The Arctic ◽  
External Layer ◽  
The Arctic Ocean ◽  
A New Species ◽  
Unusual Finding

A new species of Pogonophora obtained from one station at a depth of 25 m from near the Dikson Island in the Kara Sea is described. Galathealinum karaense sp. nov. is one of the largest pogonophorans, the first known representative of the rare genus Galathealinum Kirkegaard, 1956 in the Eurasian part of the Arctic Ocean and a highly unusual finding for the desalted shallow of the Yenisey Gulf. Several characters occurring in the new species are rare or unique among the congeners: under-developed, hardly discernible frills on the tube segments, extremely thin felted fibres in the external layer of the tube, and very faintly separated papillae in the anterior part of the trunk. Morphological characters useful in distinguishing species within the genus Galathealinum are defined and summarised in a table. Diagnosis of the genus Galathealinum is emended and supplemented by new characters. Additionally, three taxonomic keys are provided to the species of Galathealinum and to the known species of the Arctic pogonophorans using either animals or their empty tubes only, with the brief zoogeographical information on each Arctic species.

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