台灣始新世古難歸類群化石

Eocene Acritarchs of Taiwan

本文報導發現於台灣基隆北方海域始新世地層中，古難歸類群化石共計四個分類群（Multiplicisphaeridium taiwanianum C. L. Shaw sp. nov., Trichosphaeridium taiwanianum C. L. Shaw sp. nov., Tylosphaeridium taiwanianum C. L. Shaw sp. nov.和Cymatiosphaera taiwaniana C. L. Shaw sp. nov.），它們分別屬於貳亞群，肆屬。

Four new taxa (Multiplicisphaeridium taiwanianum C. L. Shaw sp. nov., Trichosphaeridium taiwanianum C. L. Shaw sp. nov., Tylosphaeridium taiwanianum C. L. Shaw sp. nov., and Cymatiosphaera taiwaniana C. L. Shaw sp. nov.) of the fossil acritarchs obtained from Eocene sediments from offshore of the Keelung area in northern Taiwan are reported. They belong to two subgroups, four genera.