- 359 specimens collected from at least 9 countries
- 572 specimens identified from at least 9 countries
- 4 specimens used in 1 work
Progress
Collected From
- Sweden 240
- Russian Federation 45
- Norway 40
- United States 12
- Canada 11
- Greenland 5
- Japan 3
- Switzerland 2
- Italy 1
Identified From
- Norway 263
- Sweden 233
- Russian Federation 43
- United States 12
- Canada 10
- Greenland 5
- Japan 3
- Switzerland 2
- Italy 1
Dates Collected
- 1870 – 1875 1
- 1885 – 1890 7
- 1890 – 1895 37
- 1895 – 1900 49
- 1900 – 1905 101
- 1905 – 1910 48
- 1910 – 1915 60
- 1915 – 1920 18
- 1920 – 1925 23
- 1925 – 1930 13
Dates Identified
- 1870 – 1875 1
- 1885 – 1890 7
- 1890 – 1895 36
- 1895 – 1900 49
- 1900 – 1905 96
- 1905 – 1910 228
- 1910 – 1915 63
- 1915 – 1920 29
- 1920 – 1925 27
- 1925 – 1930 19