P. L. Kramp
1887
A revision of the medusæ belonging to the family Mitrocomidœ
Coelenterata, Ctenophora and Chætognatha
Corydendrium dispar
Hydroids collected by the "Skagerak" expedition in the eastern Atlantic 1946
Hydroids collected by the "Tjalfe" expedition to the west coast of Greenland in 1908 and 1909
Hydroids collected in West-Greenland fjords in 1911 and 1912
Hydromedusae collected in the south-western part of the North Sea and in the eastern part of the Channel in 1903-1914
Medusae collected by the Lund University Chile Expedition, 1948-49
Notes on the hydroid Campanulina panicula G.O. Sars
Pteropoda
Report on the hydroids collected by the Danmark expedition at north-east Greenland
Some jellyfish from Macquarie Island and Heard Island