English
Species (997)
Chilodonella granulata Penard 1922- Chilodontopsis pseudonassula Penard 1922
- Cinetochilum impatiens Penard 1922
- Clathrostoma viminale Penard 1922
- Chilodonella turgidula Penard 1922
- Condylostoma tardum Penard 1922
- Cothurnia bipartita Penard 1922
- Cothurnia castellensis Penard 1914
- Condylostoma sphagni Penard 1922
- Lophophorina capronata Penard 1922
- Loxocephalus simplex Penard 1922
- Loxophyllum gammari Penard 1922
- Lagynus cucumis Penard 1922
- Larvulina variabilis Penard 1922
- Larvulina zonata Penard 1922
- Legendrea bellerophon Penard 1914
- Legendrea crassa Penard 1922
- Legendrea pes Penard 1922 ssp. pelicani
- Legendrea porculus Penard 1922
- Legendrea simplex Penard 1922
- Lembus scaber Penard 1922
- Lionotus armilatus Penard 1922
- Lionotus hirundo Penard 1922
- Lionotus procerus Penard 1922
- Lionotus triqueter Penard 1922
- Litonotus hirundo Penard 1922
- Litonotus procerus Penard 1922
- Lacrymaria vorax Penard 1922
- Loxophyllum utriculariae Penard 1922
- Ludio parvulus Penard 1922
- Metacylis daphnicola Penard 1922
- Metacylis exigua Penard 1922
- Metacylis lagenula Penard 1922
- Metacylis recurva Penard 1922
- Metacystis recurva Penard 1922
- Metopus vexilliger Penard 1922
- Metopus attenuatus Penard 1931
- Metopus contractus Penard 1922
- Metopus cuspidatus Penard ?
- Malacophrys sphagni Penard 1922
- Metacineta micraster Penard 1914
- Blepharisma musculus Penard 1922
- Tokophrya lycoperdon Penard 1920
- Branchioecetes gammari Penard 1922
- Bryophrya duplicata Penard 1922
- Bryophrya rubescens Penard 1922
- Balanonema biceps Penard 1922
- Balanonema dubium Penard 1922
- Balantidioides muscicola Penard 1922
- Balantidiopsis muscicola Penard 1922
- Bryometopus sphagni Penard 1922
- Bryophrya flexilis Penard 1922
- Balantiophorus chaetophorae Penard 1922
- Balantiophorus mucicola Penard 1922
- Chilodon capucina Penard 1922
- Calyptotricha lanuginosa Penard 1922
- Carchesium corybosum Penard 1922
- Dapedophrya flexilis Penard 1922
- Didinium armatum Penard 1922
Herpobdella atomaria Corena 1820- Cristigera minor Penard 1922
- Cyclidium gemmuliferum Penard 1922
- Cyclidium lanuginosum Penard 1922
- Cothurnia elastica Penard 1914
- Cothurnia regalis Penard 1914
- Cothurnia richtersi Penard 1914
- Cothurniopsis elastica Penard 1914
- Cranotheridium ariadnae Penard 1922
- Cranotheridium elongatum Penard 1922
- Cothurnia lapponum Penard 1922
- Cothurnia minutissima Penard 1914
- Cyclidium versatile Penard 1922
- Cyclogramma protectissima Penard 1922
- Cyclogramma sorex Penard 1922
- Drepanomonas obtusa Penard 1922
- Drepanomonas revoluta Penard 1922
- Dileptus mucronatus Penard 1922
- Dileptus tenuis Penard 1922
- Microthorax halotideus Penard 1922
- Microthorax scutiformis Penard 1922
- Microthorax spiniger Penard 1922
- Microthorax tridentatus Penard 1922
- Microthorax ungulatus Penard 1922
- Microthorax viridis Penard 1922
- Muscophrya lycoperdon Penard ()
- Mylestoma discoideum Penard 1922
- Nassula sorex Penard 1922
- Nassula protectissima Penard 1922
- Nassula pseudonassula Penard 1922
- Mylestoma anatinum Penard 1922
- Mylestoma flagellatum Penard 1922
- Mylestoma uncinatum Penard 1922
- Monochilium tesselatum Penard 1922
- Ophryoglena viridis Penard 1922
- Opercularia curvicaulis Penard 1922
- Opercularia protecta Penard 1922
- Ophrydium boreale Penard 1922
- Ophrydium crassicaule Penard 1922
- Ophryoglena maligna Penard 1922
- Ophryoglena tigrina Penard 1922
