Doliolida
Suggested reading

Borgert A. 1894. Die Thaliacea der Plankton Expedition. C. Verteilung der Doliolen. Plankton-Exp. Humboldt-Stiftung, Ergebn. 2(E.a.C.):3-68.
—Morphological, systematic and distributional study with superb illustrations.

Braconnot J.C. 1970. Contribution à l’étude des stades successifs dans le cycle des Tuniciers pélagiques Doliolides. I. Les stades larvaire, oozoïde, nourrice et gastrozoïde. Arch. Zool. Exp. Gén., 3:629-668.

Braconnot J.C. 1971. Contribution à l´étude des stades successifs dans le cycle des Tuniciers pélagiques Doliolides. II. Les stades phorozoïde et gonozoïde des Doliolides. Arch. Zool. Exp. Gén., 112:5-32.

—These two contributions provide excellent descriptions of the different stages of the doliolid life cycle, including superb photographs.

Brien P. 1948. Embranchement des Tuniciers. In "Traité de Zoologie", 11 (P.P. Grassé, ed.), Masson, Paris, pp. 553-930.
—A classical treatment of doliolid biology and anatomy.

Garstang W. 1933. Report on the Tunicata. I. Doliolida. Rep. British Ant. Terra Nova Exp., Nat. Hist., Zool., 4(6):195-251.
—Cornerstone work on doliolid classification.

Godeaux J. 1990. Urochordata-Thaliacea. In "Reproductive biology of invertebrates" (Adiyodi K.G., Adiyodi R.G., eds.), Oxford & IBH Publ. Co., New Delhi, pp. 453-469.
—A concise review of reproductive biology in Thaliacea, with detailed illustrations.

Krüger H. 1939. Die Thaliaceen der "Meteor" Expedition. Wiss. Erg. Deutsch. Atlant. Exp. "Meteor" 1925-1927, 13(2):111-152.
—Comprehensive work on the distribution of Thaliacea in the South Atlantic Ocean.

Neumann G. 1906. Doliolum. Wiss. Erg. Deutsch. Tiefsee-Exp. Dampfer "Valdivia" 1898-1899, 12(2):93-243.
—Excellent work on doliolid morphology and classification, including superb illustrations.

Neumann G. 1913. Die Pyrosomen und Dolioliden der Deutschen Südpolar-Expedition. Deutsch. Südpolar-Exp. 1901-1903, 14(Zool. 6):17-34.
—Contains detailed descriptions and beautiful illustrations.