Suto, I. (2003). Periptera tetracornusa sp. nov., a new middle Miocene diatom resting spore species from the North Pacific. Diatom. The Japanese Journal of Diatomology, 19: 1-7
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Suto, I.
2003
Periptera tetracornusa sp. nov., a new middle Miocene diatom resting spore species from the North Pacific