Hob
Hobbseus Fitzpatrick and Payne, 1968
- Hobbseus attenuatus Black, 1969
- Hobbseus cristatus (Hobbs, 1955)
- Hobbseus orconectoides Fitzpatrick and Payne, 1968
- Hobbseus petilus Fitzpatrick, 1977
- Hobbseus prominens (Hobbs, 1966)
- Hobbseus valleculus (Fitzpatrick, 1967)
- Hobbseus yalobushensis Fitzpatrick and Busack, 1989
Crustacea → Malacostraca → Decapoda → Astacidea → Astacoidea → Cambaridae
Hobbsiella Danielpol and Hart, 1985
- Hobbsiella moria (C. W. Hart, 1978)
Crustacea → Ostracoda → Podocopida → Cytherocopina → Cytheroidea → Entocytheridae
Hoc
- Hoctunus
Hod
- Hodometrica
Hoh
- Hoho
Hoi
- Hoia
Hol
- Holidotea
- Holidoteidae
- Holmesiella
- Holmesimysis
- Holobomolochus
- Holodentata
- Holognathidae
- Holognathus
- Holopediidae
- Holopedium
- Holophryxus
- Holostylis
Holotelson Richardson, 1909
- Holotelson decoratus Nunomura & Ikehara, 1985
- Holotelson longicauda Nunomura, 2004
- Holotelson tuberculatus Richardson, 1909
Crustacea → Malacostraca → Isopoda → Sphaeromatoidea → Sphaeromatidae
- Holotheres
- Holothuriophilus
- Holsingerius
- Holthuisana
- Holthuisia
Hom
- Homalaspis
- Homalodromia
- Homarinus
- Homarus
- Homeognathia
- Homeryon
- Homocyclops
- Homoioplax
- Homola
- Homolax
- Homolidae
- Homolo*
Homolochunia Doflein, 1904
- Homolochunia gadaletae Guinot & Richer de Forges, 1995
- Homolochunia kullar Griffin & Brown, 1976
- Homolochunia menezi Richer de Forges & Ng, 2008
- Homolochunia valdiviae Doflein, 1904
Crustacea → Malacostraca → Decapoda → Homoloidea → Homolidae
Homolodromia A. Milne-Edwards, 1880
- Homolodromia bouvieri Doflein, 1904
- Homolodromia kai Guinot, 1993
- Homolodromia monstrosa Martin, Christiansen & Trautwein, 2001
- Homolodromia paradoxa A. Milne-Edwards, 1880
- Homolodromia robertsi Garth, 1973
Crustacea → Malacostraca → Decapoda → Homolodromioidea → Homolodromiidae
Porodica Homolodromiidae Alcock, 1899
- Dicranodromia A. Milne-Edwards, 1880
- Homolodromia A. Milne-Edwards, 1880
Crustacea → Malacostraca → Decapoda → Homolodromioidea
Natporodica Homolodromioidea Alcock, 1899
- Homolodromiidae Alcock, 1899
Crustacea → Malacostraca → Decapoda → Brachyura → Podotremata
Homologenus A. Milne-Edwards in Henderson, 1888
- Homologenus asper Zarenkov, in Zarenkov & Khodkina, 1983
- Homologenus boucheti Guinot & Richer de Forges, 1995
- Homologenus braueri Doflein, 1904
- Homologenus broussei Guinot & Richer de Forges, 1981
- Homologenus donghaiensis Chen, 1986
- Homologenus levii Guinot & Richer de Forges, 1995
- Homologenus malayensis Ihle, 1912
- Homologenus orientalis Zarenkov, 1990
- Homologenus rostratus (A. Milne-Edwards, 1880)
- Homologenus wallis Guinot & Richer de Forges, 1995
Crustacea → Malacostraca → Decapoda → Homoloidea → Homolidae
- Homolomannia
Hon
- Hondoniscus
Hop
- Hoplolaophonte
- Hoplomachus
- Hoplopheonoides
- Hoplophrys
- Hoploplites
Hor
Hora Barnard, 1932
- Hora damae Barnard, 1932
Animalia → Arthropoda → Malacostraca → Isopoda → Oniscidea incertae sedis
- Hornellia
- Horniella
Hos
- Hospitotheres
Hou
- Hourstonius