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Takashi Sawa
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Journal Article
The charophyte genus Sycidium in the Upper Devonian of Iowa
Journal: Micropaleontology
Publisher: Micropaleontology Press
Published: 01 January 1972
Micropaleontology (1972) 18 (1): 74–80.
Journal Article
Middle devonian moellerina greenei zone and suppression of the genus weikkoella summerson, 1958
Journal: Micropaleontology
Publisher: Micropaleontology Press
Published: 01 October 1970
Micropaleontology (1970) 16 (4): 399–406.
