Categories
The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Aaurumphyta (34 members)
- Abdocombibidae (1 member)
- Abello Desert Island (5 members)
- Abello High Desert (1 member)
- Abello Midnight Sea Mount (5 members)
- Abello Temperate Beach (14 members)
- Abello Temperate Rainforest Archipelago (1 member)
- Abello Temperate Shallows (7 members)
- Abello Twilight Sea Mount (3 members)
- Abellomonstridae (1 member)
- Abyssal (0 members)
- Abyssoradiates (7 members)
- Abyssovermes (40 members)
- Abyssovermichthidae (1 member)
- Acanthobombaceae (5 members)
- Acanthogyrinidae (8 members)
- Acanthomoi (51 members)
- Acanthophylla (2 members)
- Acanthophyllaceae (1 member)
- Acanthosepioididae (2 members)
- Acanthoskunikidae (3 members)
- Acariiastra (10 members)
- Acaudapodia (18 members)
- Acaudopoda (0 members)
- Aceralatidae (1 member)
- Acercornu (0 members)
- Acerotidae (3 members)
- Acesta (0 members)
- Acininumeropsida (66 members)
- Acininumerosaceae (8 members)
- Acininumerosales (19 members)
- Acrorhinoselachidae (3 members)
- Actinosauridae (3 members)
- Actinoursidae (4 members)
- Actinoursoidea (9 members)
- Aculeimuscidae (5 members)
- Aculeiptera (9 members)
- Acunaribidae (2 members)
- Acuoherbavora (0 members)
- Acuoidae (2 members)
- Acuoiformes (2 members)
- Adamabrachiaceae (1 member)
- Adamantales (15 members)
- Adamantidae (15 members)
- Adamantopsida (34 members)
- Adhesistoma (1 member)
- Aeolothallaceae (2 members)
- Aeolovermidae (4 members)
- Aeolovermoidea (7 members)
- Aerattero (1 member)