Species (22.489)
- Cocconeis pediculus
- Bothryococcus braunii
- Botrydiopsis callosa
- Botrydiopsis pyrenoidosa
- Botryococcus brauni
- Botryococcus braunii
- Braarudosphaera bigelowi
- Braarudosphaera discula
- Nebela vas Certes 1889
- Buccicrenata tuberosa
- Bulbodinium oistoides
- Bulbodinium seitzi
- Bulbodinium altipetax
- Leishmania tropica Lühe 1906
- Buliminopsis buliminus
- Buliminopsis potanini
- Buliminopsis subcylindrica
- Centropyxis intermedia Kufferath 1932
- Brightwellia coronata
- Cadium marinum
- Calcidiscus medusoides
- Calcidiscus quadriforatus
- Calicomonas gracilis
- Callimastix equi
- Calycomonas globulus
- Calycomonas gracilis
- Leishmania mexicana-Komplex Biagi 1953
- Dentalinopsis subtriquetra
- Dianema depressum
- Dianema harveyi
- Dianema nivale
- Dianema repens
- Diaphoropodon mobile
- Diatoma elongatum
- Dichaea subsessilis
- Dichaea thomasii
- Dicolocapsa verbeecki
- Dicolocapsa nuda
- Dicolocapsa abbreviata
- Dicolocapsa globosa
- Dicolocapsa innocenti
- Dicolocapsa microcephala
- Dicolocapsa micropora
- Dicolocapsa radiata
- Dictydiaethalium dictyosporum
- Dictyomitra venusta
- Dictyomitra ligustica
- Dictyomitra ehrenbergi
- Dictyomitra fucinii
- Dictyomitra multicostata
- Dictyomitra glandula
- Dictyomitra scanilis
- Dictyomitra polypora
- Dictyosphaerium pulchellum
- Diderma cinereum
- Diderma chondrioderma
- Diderma cor-rubrum
- Diderma crustaceum
- Giardia caprae
- Dactylosphaerium radiosum
- Deflandrea belfastensis
- Deflandrea rectangularis
- Deflandrea nucula
- Deflandrea cretacea
- Deflandrea thomasi
- Deflandrea tripartita
- Deflandrella veracruzana
- Deflandrius cretaceus
- Deflandrius spinosus
- Deflandrius intercisus
- Dactylosphaera polypodia
- Dactylosphaerium radiosum
- Desmarella moniliformis
- Desmidium aptogonum
- Desmidium quadrangulatum
- Desmidium didymum
- Desmidium swartzii
- Desmidium undulatum
- Giardia agilis
- Diacheopsis insessa
- Diacheopsis pieninica
- Diacheopsis metallica
- Dianema corticatum
- Dichaea bulbillosa
- Dichaea leucopodia
- Dichaea radiata
- Dichaea megalospora
- Dichaea splendens
- Dictydium rutilum
- Dictyocephalus ventricosus
- Dictydium cancellatum
- Dictydium mirabile
- Dictyocephalus pyriformis
- Dictyocha trigona
- Diderma indicum
- Diderma mussooriense
- Diderma platycarpum
- Diderma simplex
- Diderma spumarioides
- Diderma subdictyospermum