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Beck, R.S. (1943). Eocene Foraminifera from Cowlitz River, Lewis County, Washington. Journal of Paleontology, 17(6): 584-614
265273
Beck, R.S.
1943
Eocene Foraminifera from Cowlitz River, Lewis County, Washington
Journal of Paleontology
17(6): 584-614
Publication
Available for editors
Eocene Foraminifera from Cowlitz River, Washington, are described and figured. The collection of 65 samples from 200 feet of strata contained 107 species and subspecies. Twenty-five species and 8 subspecies are new. The assemblage constitutes but one faunule, which is referred to in introducing the term Saracenaria mackini zonule for the strata investigated. An ecologic analysis of the faunule indicates that it possibly lived off a tropical coast in warm marine waters at the outer margin of the neritic zone, down to and perhaps into the upper bathyal zone. The Cowlitz River beds are Eocene; they are in part correlative with the Coaledo formation of Oregon, and the Tejon and Poway formations of California. The Cook Mountain formation of the Gulf Coast contains several species in common with the Cowlitz.
Date action by
Ammodiscus coombsi Beck, 1943 † (original description)
Astacolus barksdalei Beck, 1943 † (original description) Biloculinella cowlitzensis Beck, 1943 (original description) Bolivina kleinpelli Beck, 1943 † (original description) Cibicides baileyi Beck, 1943 † (original description) Cibicides mcmastersi Beck, 1943 † (original description) Dentalina dusenburyi Beck, 1943 † (original description) Frondicularia vaderensis Beck, 1943 † (original description) Globulina minuta subsp. sinuata Beck, 1943 † (original description) Karreriella contorta Beck, 1943 † (original description) Lagena conscripta Cushman & Barksdale, 1930 † (new combination reference) Lenticulina washingtonensis Beck, 1943 † (original description) Quinqueloculina goodspeedi subsp. olequaensis Beck, 1943 † (original description) Quinqueloculina milleri Beck, 1943 † (original description) Quinqueloculina minuta Beck, 1943 † (original description) Quinqueloculina paynei Beck, 1943 † (original description) Quinqueloculina whitei Beck, 1943 † (original description) Robertina washingtonensis Beck, 1943 † (original description) Saracenaria mackini Beck, 1943 † (original description) Saracenaria mackini subsp. cowlitzensis Beck, 1943 † (original description) Siphonina claibornensis subsp. cowlitzensis Beck, 1943 † (original description) Triloculina gilboei Beck, 1943 † (original description) Vaginulinopsis saundersi subsp. lewisensis Beck, 1943 † (original description) |