English
Species (997)
Difflugia elegans Penard 1899 ssp. teres- Difflugia elegans Penard 1890
- Difflugia elisa Penard 1893
- Difflugia fallax Penard 1890
- Difflugia gramen Penard 1902
- Difflugia lanceolata Penard 1890
- Difflugia lebes Penard 1893
- Difflugia linearis Penard 1890
- Difflugia pristis Penard 1902
- Difflugiella sacculus Penard 1902
- Difflugia lucida Penard 1890
- Euglypha filifera Penard 1890
- Euglypha scutigera Penard 1911
- Difflugia lithoplites Penard 1902
- Difflugia mammilaris Penard 1893
- Difflugia platystoma Penard 1890
- Arcella gibbosa Penard 1890
- Corythion pulchellum Penard 1890
- Cucurbitella mespiliformis Penard 1901
- Cyphoderia laevis Penard 1902
- Cyphoderia trochus Penard 1899
- Difflugia acuminata Penard 1899 ssp. inflata
- Heleopera rosea Penard 1890
- Heleopera sylvatica Penard 1890
- Pontigulasia bryophila Penard 1902
- Pseudodifflugia fascicularis Penard 1902
- Pyxidicula cymbalum Penard 1901
- Nebela longicollis Penard 1890
- Nebela marginata Penard 1902
- Nebela tenella Penard 1893
- Nebela vitraea Penard 1899
- Paraquadrula globulosa Penard 1891
- Paraquadrula discoides Penard 1893
- Phryganella hemisphaerica Penard 1890
- Placocista jurassica Penard 1905
- Physochila tenella Penard 1893
- Phryganella nidulus Penard 1901
- Placocista lens Penard 1899
- Difflugia rubescens Penard 1891
- Difflugia varians Penard 1902
- Difflugia viscidula Penard 1901
- Difflugiella oviformis Penard
- Difflugiella oviformis Penard 1890 ssp. fusca
- Euglypha aspera Penard 1891
- Euglypha laevis Penard 1890 ssp. minor
- Heleopera petricola Penard 1899 ssp. amethystea
- Nebela dentistoma Penard 1890
- Glaucoma cyclidium Penard 1922
- Difflugia pulex Penard 1901
- Euglypha heterospina Penard 1890
- Euglypha lens Penard 1899
- Heleopera cyclostoma Penard 1902
- Placocysta jurassica Penard 1905
- Plagiopyxis labiata Penard 1910
- Pontigulasia bigibbosa Penard 1901
- Pontigulasia elisa Penard 1893
- Pontigulasia spectabilis Penard 1901
- Pseudodifflugia horrida Penard 1902
- Quadrula globulosa Penard 1891
- Difflugia glans Penard 1902
- Placocista glabra Penard
- Diplochlamys fragilis Penard 1909
- Difflugia gracilis Penard 1910
- Peranema granulifera Penard ()
- Sphenoderia fissirostris Penard 1890
- Difflugia inflata Penard 1899
- Amoeba cirrifera Penard 1980
- Assulina minor Penard 1890
- Antarcella pseudarcella Penard 1917
- Assulina scandinavica Penard 1890
- Multicilia palustris Penard ()
- Mastigella nitens Penard ()
- Arcella polypora Penard 1890
- Salpingoeca polygonatum Penard ()
- Diplochlamys timida Penard 1909
- Glaucoma flexilis Penard 1922
- Lionotus agilis Penard 1922
- Lionotus procera Penard 1922
- Lionotus impatiens Penard 1922
- Epalxis elliptica Penard
- Epalxis mimetica Penard
- Legendrea interrupta Penard 1922
- Physalophrya spumos Penard 1922
- Hemiophrys procera Penard 1922 ssp. procera
- Hemiophrys procera Penard 1922
- Trachelophyllum pilosa Penard 1922
- Pelomyxa binucleata Penard
- Holophrya cinerea Penard 1922
- Euglypha alveolata Penard 1899 ssp. aspera
- Metacystis daphnicola Penard 1922
- Monochilum tesselatum Penard 1922
- Arcuospathidium cultriforme Penard 1922 ssp. cultriforme
- Cothurniopsis dyonisii Penard 1914
- Cranotheridium elongatus Penard 1922
- Rhinothrix barbatula Penard 1922
- Larvulina elegans Penard 1922
- Centropyxis platystoma Penard 1890
- Cirranter mobilis Penard 1922
- Chilodon geographicus Penard 1922
- Chilodonella geographicus Penard 1922
