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Article: Microplankton from the Kellaways Rock and Oxford Clay of Yorkshire

Publication: Palaeontology
Volume: 4
Part: 1
Publication Date: April 1961
Page(s): 90 118
Author(s): W. A. S. Sarjeant
DOI:
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Abstract

Assemblages of microplankton from the Kellaways Rock and Oxford Clay of Yorkshire are described. They consist dominantly of hystrichospheres, including new species of Cymatiosphaera and of Canno-sphaeropsis. Dinoflagellates are also prominent, with Gonyaulax jurassica Deflandre most abundant: two new species of Gonyaulax are described. Organisms incertae sedis, probably microplankton, are present: three new genera, Stephanelytron, Antrosphaera, and Netrelytron, and a new species of Wanaea are described. The character and stratigraphic significance of the assemblages are discussed.
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