Authors:

...It is a very remarkable fact that the species of shell-fish common to Greenland and Finmark are not all inhabitants of deep or moderately deep water .... That these littoral mollusks indicate by their presence on both sides of the Atlantic, some ancient continuity or contiguity of coast-line is what I firmly believe.

Edward Forbes (1859). “The Natural History of the European Seas...”, p.56
...It is a very remarkable fact that the species of shell-fish common to Greenland and Finmark are not all inhabitants of deep or moderately deep water .... That these littoral mollusks indicate by their presence on