Dodatak:Popis plaštenjaka, A
Ab uredi
Abyssascidia Herdman, 1880 uredi
- Abyssascidia millari F. Monniot, 1971
- Abyssascidia pedunculata Sluiter, 1904
- Abyssascidia wyvillii Herdman, 1880
Ad uredi
- Adagnesia
Ag uredi
- Agnesia
- Agnesiidae
- Agnesiopsis
- Agnezia
- Agneziidae
Al uredi
- Alloeocarpa
- Althoffia
An uredi
- Anadistoma
- Anomopera
Ap uredi
- Aplidiopsis
- Aplidium
- Aplidum
- Appendicularia
- Appendicularia
Ar uredi
- Araneum
- Archidistoma
- Arnbackia
As uredi
- Asajirus
- Ascidia
- Ascidiacea
- Ascidiella
- Ascidiidae
- Asterocarpa
At uredi
- Atriolum