References
- Crisp , D. J. and Southward , A. J. 1958 . The distribution of intertidal organisms along the coasts of the English Channel . J. mar. biol. Ass. U.K. , 37 : 157 – 208 .
- Dons , C. 1945 . Norges Strandfauna XXXII. Hexacoraller . K. norske vidensk. Selsk. Fork. , 18 ( 4 ) : 17 – 20 .
- Gislén , T. 1930 . Epibioses of the Gullrnar Fjord. II . Kristinebergs zoologiska Station 1877–1927 , : 1 – 380 . Uppsala
- Hartog , C. den . 1959 . The epilithic algal communities occurring along the coast of the Netherlands Amsterdam
- Johnsen , S. 1948 . Faunasvingninger og bestandsvingninger i vårt dyreliv . Naturen , 1948 : 206 – 229 .
- Kolstad , K. 1959 . Patella aspera Lamarck, new to Norway . Nature Lond , 184 : 1886 – 1886 .
- Kunze , L. 1951 . Erstfund des Prosobranchiers Littorina (Melaraphe) neritoides (Linné) in der Deutschen Bucht . Zool. Anz. , 147 : 91 – 94 .
- Lewis , J. R. 1957 . Intertidal communities of the northern and western coasts of Scotland . Trans. Roy. Soc. Edinburgh , 63 : 185 – 220 .
- Lovén , S. 1847 . Nordens Hafs-mollusker . Öfvers. VetenskAkad. Förh. Stockh , 1846 : 134 – 160 . 182-204
- Ökland , F. 1933 . Litoralstudien an der Skagerakküste Norwegens: Die Verbreitung von Purpura lapillus, Patella vulgata und den Littorina-Arten in Tromö . Zoogegraphica , 1 ( 4 ) : 529 – 601 .
- Stock , J. H. 1950 . Littorina neritoides petraea (Mont.) op drie plaatsen in Nederland autoch-thoon aangetroffen . Basterna , 14 : 11 – 14 .