Species (22.489)
- Holosticha multinucleata Maupas 1883
- Holosticha musculus Kahl 1932
- Holosticha multicaudicirrus
- Holosticha pernix Wrzesniowski 1877
- Holosticha navicularum Kahl 1932
- Holosticha randani
- Holosticha rubra Ehrenberg 1838
- Holosticha spectabilis Kahl 1932
- Enchelydium clepsiniforme
- Holosticha simplex
- Holosticha sphagni
- Homalogastra binucleata
- Homalogastra chesapeakensis
- Homalogastra filificum
- Homalozoon minutus Dragesco 1966
- Homalozoon multinucleatum Dragesco 1966
- Hoplitophrya armata
- Hoplitophrya clavata
- Hoplitophrya falcifera
- Hoplitophrya fastigata
- Hoplitophrya lumbrici
- Hoplitophrya recurva
- Hoplitophrya securifrons
- Hoplitophrya uncinata
- Strombidinopsis claparede
- Horologinella apiculata
- Horologinella incurvata
- Horologinella extrema
- Horologinella lineata
- Horologinella obliqua
- Hemistomiosphaera parvula
- Hemmisphaerammina obstinata
- Astylozoon oxypus
- Heterocineta janickii
- Heterocinetopsis fluminicolae
- Hypocomella phoronopsidis Kozloff 1945
- Heterocinetopsis goniobasidis
- Heterocinetopsis siedleckii
- Heterocinetopsis lwoffi
- Heterohelix hohenemsensis
- Heterohelix trochospiralis
- Opercularia parasitica
- Histiobalantium majus Kahl 1931
- Histiobalantium marinum Kahl 1933
- Histiobalantium marinum Kahl 1933 ssp. marinum
- Histiobalantium natans Claparede & Lachmann 1858
- Histiobalantium minor
- Urostyla gracilis Entz 1884 ssp. gracilis
- Holophrya brunnea
- Holophrya gargamellae Faure-Fremiet 1924
- Holophrya garmamellae Faure-Fremiet 1924
- Holophrya globulifera
- Hemicylcliostyla sphagni Stokes 1886
- Clathratostoma ovum
- Hemicylclostyla trichota
- Hemigastrostyla stenocephala Borror 1963
- Hemigastrostyla enigmatica Dragesco & Dragesco-Kernéis 1986
- Hemiophrya benedeni
- Hemionotus caudatus Kahl 1933
- Hemiophrya crustaceorum
- Hemiophrya gemmipara
- Hemiophrya microsoma
- Hemiophrya pusilla
- Hemiophrya saville
- Hemiophrya thouleti
- Hemiophrya truncata
- Heterocinetopsis krzysiki
- Heterocinetopsis uniodiarum
- Hexagonifera glabra
- Hexagonifera chlamydata
- Hyloplotes appendiculatus
- Hyperammina arborescens
- Hyperammina ramosa
- Hyperammina zinndorfi
- Hyperammina elongata
- Hypocoma rostrellum
- Hypocoma hyperparasitica
- Hypocomagalma fluminocolae Kozloff 1946
- Hypocomagalma goniobasidis Kozloff 1946
- Hypocomagalma phoronopsidis Kozloff 1945
- Hypocomatidium jarockii
- Hypocomella chattoni
- Hypocomatidium sphaeri
- Hypocomella macomae
- Hypocomella maziarski
- Hypocomella phoronopsidis Kozloff 1945
- Hypocomella janickii
- Hypocomella quatuor
- Marituja caudata
- Hypocomella raabei
- Hypocomida tegularum
- Hypocomida patellarum
- Hypocomides elsinoi Fenchel 1965
- Hypocomides elsinora Fenchel 1965
- Hypocomides hiatellae
- Hypocomides musculus
- Hypocomides mytili
- Hypocomina carinata
- Hypocomidium granum
- Hypotrichidium deflectum