Dodatak:Popis mahovnjaka, H
Ha uredi
- Hagiosynodos
- Halophila
- Haplopoma
- Haplopomidae
- Haplota
- Harmelinopora
- Harmeria
- Harmeriella
- Harmeriellidae
- Harpagozoon
- Harpecia
- Hastingsia
- Hastingsiidae
- Haswelliporina
- Hayamiellina
- Haywardozoon
He uredi
- Heliodoma
- Heliodomidae
- Helixotionella
- Hellerasca
- Hemicyclopora
- Hemipustulopora
- Hemiseptella
- Hemismittoidea
- Herentia
- Hesychoxenia
- Hesyxochenia
- Heterooecium
- Heteropora
- Heteroporidae
- Hexagonella
- Hexagonellidae
Hi uredi
Hiantopora MacGillivray, 1887 uredi
- Hiantopora aequicornua Tilbrook, 2006
- Hiantopora bidenticulata Canu & Bassler, 1929
- Hiantopora ferox (MacGillivray, 1869)
- Hiantopora intermedia (Kirkpatrick, 1890)
- Hiantopora jucunda Gordon, 1984
- Hiantopora pleuroaviculata (Liu, 1991)
- Hiantopora radicifera (Hincks, 1881)
Bryozoa → Gymnolaemata → Cheilostomatida → Flustrina → Calloporoidea → Hiantoporidae
Porodica Hiantoporidae Gregory, 1893 uredi
- Rodovi: Hiantopora, Tremopora
Bryozoa → Gymnolaemata → Cheilostomatida → Flustrina → Calloporoidea
Hiberotrypa Ernst & Buttler, 2012 uredi
- Hiberotrypa dubia Ernst & Buttler, 2012[1]
Bryozoa → Stenolaemata → Cystoporida → Goniocladiidae
- Himantozoum
- Himantozoumella
- Hincksina
- Hincksinoflustra
- Hincksipora
- Hincksiporidae
- Hippadenella
- Hippaliosina
- Hippaliosinidae
- Hippellozoon
- Hippomenella
- Hippomonavella
- Hippopleurifera
- Hippopodina
- Hippopodinidae
- Hippoporella
- Hippoporidra
- Hippoporidridae
- Hippoporina
- Hippothoa
- Hippothoidae
- Hippothooidea
- Hippothyris
- Hippotrema
- Hislopia
- Hislopiidae
Ho uredi
- Hoplitella
- Hornera
- Horneridae
- Houzeauina
Hu uredi
- Huxleya
Hy uredi
- Hyalinella
- Hypocytis
- Hypophorella
- Hypophorellidae