- Alder 1863a
- Occurrence of a sea pen, new to Britain. Trans. Tyne. Nat. Cl. 5: 60-61.
- Alder 1863b
- Supplement to a catalogue of the zoophytes of Northumberland and Durham. Trans. Tyne. Nat. Cl. 5: 225-247.
- Andres 1883
- Le Attinie. Atti Accad. naz. Lincei Memorie 3: 14: 211-673, 13 pls. Also in Fauna Flora Golf. Neapel, Monograph 9, 1884.
- Arai 1965
- A new species of Pachycerianthus with a discussion of the genus and an appended glossary. Pacific Science 19: 205-218.