Pecopteris odontopteroides (Morris, 1845) species accepted

Thinnfeldia rhomboidalis Ettingshausen, 1927 species accepted

Thinnfeldia dutoiti Jain & Delevoryas, 1967 species accepted

Thinnfeldia odontopteroides (Morris, 1845) species synonym

Thinnfeldia obtusifolia Johnston, 1888 species accepted

Thinnfeldia indica Feistmantel, 1876 species accepted

Danaeopsis hughesi (Feistmantel, 1882) species accepted

Thinnfeldia rotundiloba Fontaine, 1889 species accepted

Thinnfeldia chunakhalensis Sah & Sukh-Dev, 1958 species accepted

Thinnfeldia fontainei Berry, 1903 species accepted

Thinnfeldia variabilis Fontaine, 1889 species synonym

Thinnfeldia hughesi (Feistmantel, 1882) species synonym

Celastrophyllum proteoides Fontaine, 1889 species synonym

Pecopteris salicifolia Morris, 1863 species synonym

Dicroidium hughesii (Feistmantel, 1882) species synonym

Acaciaephyllum spatulatum Fontaine, 1889 species synonym

Acaciaephyllum variabile Fontaine, 1889 species synonym

Thinnfeldia marylandica Fontaine, 1905 species accepted

Acaciaephyllum longifolium Fontaine, 1889 species synonym

Thinnfeldia granulata Fontaine, 1889 species accepted

Thinnfeldia reticulata Fontaine, 1900 species accepted

Acaciaephyllum microphyllum Fontaine, 1889 species synonym