Abstract

Ninety-seven taxa of Eocene fossil angiospermous palynomorphs were reported as an on-going effort to increase our knowledgs of the Eocene microflora of Taiwan. They belong to two classes, forty-nine families and sixty-seven form genera; namely sixty-five form genera and ninety-four taxa for the class Dicotyledoneae; and two form genera and three taxa for the class Monocotyledoneae. Ten new genera, sixty-six new species (Striatopollis verus Shaw sp. Nov.; Retitricolpites verus Shaw sp. Nov.; Tricolpites pengchiahsuensis Shaw sp. Nov.; Tricolpopollenites pengchiahsuensis Shaw sp. Nov.; Alangiopollis taiwanensis Shaw sp. Nov.; Rhoipites taiwanensis Shaw sp. Nov.; Anodendronpolleniites taiwanensis Shaw sp. Nov.; Retitricolpites schefflerus Shaw sp. Nov.; R. acanthopanasus Shaw sp. Nov.; Alnipollenites firmaensis Shaw sp. Nov.; Ostryoipollenites taiwanensis Shaw sp. Nov.; Carpinipites pengchiahsuensis Shaw sp. Nov.; Retitricolpites campanulatus Shaw sp. Nov.; Bombacacidites taiwanensis Shaw sp. Nov.; Retitricolporoidites religiosus Shaw sp. Nov.; R. racemosus Shaw sp. Nov.; Ageratumpollenites formosensis Shaw sp. Nov.; Compositoipollenites taiwanensis Shaw sp. Nov.; C. pengchiahsuensis Shaw sp. Nov.; Retitricolpites cruciferus Shaw sp. Nov.; Thladiantkapollenites taiwanensis Shaw sp. Nov.; Droserapollis taiwanensis Shaw sp. Nov.; Mallotuspollenites taiwanensis Shaw sp. Nov.; Acalyphapollenites taiwanensis Shaw sp. Nov.; Tricolporopollenites gilvatus Shaw sp. Nov.; T. pengchiahsuensis Shaw sp. Nov.; Caryapollenites pengchiahsuensis Shaw sp. Nov.; C. verus Shaw sp. Nov.; C. quadriporus Shaw sp. Nov.; Engelhartioipollenites pengchiahsuensis Shaw sp. Nov.; Juglanspollenites pengchiahsuensis Shaw sp. Nov.; Momipites pengchiahsuensis Shaw sp. Nov.; Retihexacolpites pengchiahsuensis Shaw sp. Nov.; Tricolpites stachysus Shaw sp. Nov.; Cranwellia taiwaniana Shaw sp. Nov.; C. pengchiahsuana Shaw sp. Nov.; Myrtaceidites pengchiahsuensis Shaw sp. Nov.; M. formosensis Shaw sp. Nov.; Nymphaeacidites pengchiahsuensis Shaw sp. Nov.; Corsinipollenites granulatus Shaw sp. Nov.; C. pengchiahsuensis Shaw sp. Nov.; Retitricolpites jasminus Shaw sp. Nov.; Retitricolporoidites verus Shaw sp. Nov.; Polygalacidites pengchiahsuensis Shaw sp. Nov.; P. formosensis Shaw sp. Nov.; Sanguisorbapollenites taiwanensis Shaw sp. Nov.; Retitricolporoidites nitidus Shaw sp. Nov.; R, formosensis Shaw sp. Nov.; R. pengchiahsuensis Shaw sp. Nov.; Yenjisapollis formosensis Shaw sp. Nov.; Retitricolpites vandellius Shaw sp. Nov.; Solanaceaepollenites taiwanensis Shaw sp. Nov.; Pterospermumpollenites taiwanensis Shaw sp. Nov.; P. pengchiahsuensis Shaw sp. Nov.; Symplocoipollenites taiwanensis Shaw sp. Nov.; S. pengchiahsuensis Shaw sp. Nov.; Retitricolporoidites triumfettus Shaw sp. Nov. ; Celtispollenites taiwanensis Shaw sp. Nov.; Umbelliferaepites taiwanensis Shaw sp. Nov.; Patriniapollenites pengchiahsuensis Shaw sp. Nov.; Verbenaceaepollenites taiwanensis Shaw sp. Nov.; V. vitexensis Shaw sp. Nov.; Leeapollenites taiwanensis Shaw sp. Nov.; Taiwanipollis verus Shaw sp. Nov.; Potamogetonacidites taiwanensis Shaw sp. Nov.; P. pengchiahsuensis Shaw sp. Nov. ), four new varieties (Triporopollenites coryloides (Potonie) Th. & Pfl. Minor var. nov. ; Tricolporopollenites perprolatus Huang psilatus Shaw var. nov.; Periporopollenites formosana Huang medius var. nov.; Tiliaepollenites formosensis Shaw quadriporus Shaw var. nov.) are described from well samples in offshore Keelung of northern Taiwan.

中文摘要

本文報導發現於台灣基隆北方海域始新世地層中，被子植物花粉化石共計九十七個形態分類群;它們分別屬於二綱，四十九科，六十七形態屬，其中雙子葉植物綱計有六十五形態屬，九十四形態分類群，單子葉植物綱計有二形態屬，三形態分類群，其中十形態屬為新屬，六十六種為新種 (Striatopollis verus Shaw sp. Nov.; Retitricolpites verus Shaw sp. Nov.; Tricolpites pengchiahsuensis Shaw sp. Nov.; Tricolpopollenites pengchiahsuensis Shaw sp. Nov.; Alangiopollis taiwanensis Shaw sp. Nov.; Rhoipites taiwanensis Shaw sp. Nov.; Anodendronpolleniites taiwanensis Shaw sp. Nov.; Retitricolpites schefflerus Shaw sp. Nov.; R. acanthopanasus Shaw sp. Nov.; Alnipollenites firmaensis Shaw sp. Nov.; Ostryoipollenites taiwanensis Shaw sp. Nov.; Carpinipites pengchiahsuensis Shaw sp. Nov.; Retitricolpites campanulatus Shaw sp. Nov.; Bombacacidites taiwanensis Shaw sp. Nov.; Retitricolporoidites religiosus Shaw sp. Nov.; R. racemosus Shaw sp. Nov.; Ageratumpollenites formosensis Shaw sp. Nov.; Compositoipollenites taiwanensis Shaw sp. Nov.; C. pengchiahsuensis Shaw sp. Nov.; Retitricolpites cruciferus Shaw sp. Nov.; Thladiantkapollenites taiwanensis Shaw sp. Nov.; Droserapollis taiwanensis Shaw sp. Nov.; Mallotuspollenites taiwanensis Shaw sp. Nov.; Acalyphapollenites taiwanensis Shaw sp. Nov.; Tricolporopollenites gilvatus Shaw sp. Nov.; T. pengchiahsuensis Shaw sp. Nov.; Caryapollenites pengchiahsuensis Shaw sp. Nov.; C. verus Shaw sp. Nov.; C. quadriporus Shaw sp. Nov.; Engelhartioipollenites pengchiahsuensis Shaw sp. Nov; .Juglanspollenites pengchiahsuensis Shaw sp. Nov.; Momipites pengchiahsuensis Shaw sp. Nov.; Retihexacolpites pengchiahsuensis Shaw sp. Nov.; Tricolpites stachysus Shaw sp. Nov.; Cranwellia taiwaniana Shaw sp. Nov.; C. pengchiahsuana Shaw sp. Nov.; Myrtaceidites pengchiahsuensis Shaw sp. Nov.; M. formosensis Shaw sp. Nov.; Nymphaeacidites pengchiahsuensis Shaw sp. Nov.; Corsinipollenites granulatus Shaw sp. Nov.; C. pengchiahsuensis Shaw sp. Nov.; Retitricolpites jasminus Shaw sp. Nov.; Retitricolporoidites verus Shaw sp. Nov.; Polygalacidites pengchiahsuensis Shaw sp. Nov.; P. formosensis Shaw sp. Nov.; Sanguisorbapollenites taiwanensis Shaw sp. Nov.; Retitricolporoidites nitidus Shaw sp. Nov.; R, formosensis Shaw sp. Nov.; R. pengchiahsuensis Shaw sp. Nov.; Yenjisapollis formosensis Shaw sp. Nov.; Retitricolpites vandellius Shaw sp. Nov.; Solanaceaepollenites taiwanensis Shaw sp. Nov;. Pterospermumpollenites taiwanensis Shaw sp. Nov.; P. pengchiahsuensis Shaw sp. Nov.; Symplocoipollenites taiwanensis Shaw sp. Nov.; S. pengchiahsuensis Shaw sp. Nov.; Retitricolporoidites triumfettus Shaw sp. Nov.; Celtispollenites taiwanensis Shaw sp. Nov.; Umbelliferaepites taiwanensis Shaw sp. Nov.; Patriniapollenites pengchiahsuensis Shaw sp. Nov.; Verbenaceaepollenites taiwanensis Shaw sp. Nov.; V. vitexensis Shaw sp. Nov. Leeapollenites taiwanensis Shaw sp. Nov.; Taiwanipollis verus Shaw sp. Nov.; Potamogetonacidites taiwanensis Shaw sp. Nov.; P. pengchiahsuensis Shaw sp. Nov. ), 四種為新變種(Triporopollenites coryloides (Potonie) Th. & Pfl. Minor var. nov.; Tricolporopollenites perprolatus Huang psilatus Shaw var. nov.; Periporopollenites formosana Huang medius var. nov.; Tiliaepollenites formosensis Shaw quadriporus Shaw var. nov.)。 關鍵詞：始新統，被子植物化石花粉，分類，台灣。

Keyword: Eocene, Angiospermous palynomorphs, Taxonomy, Taiwan.