- 101 specimens collected from at least 5 countries
- 65 specimens used in 12 works
Progress
Collected From
- United Kingdom 97
- Thailand 1
- Indonesia 1
- Isle of Man 1
- Jersey 1
Identified From
Dates Collected
- 1800 – 1805 1
- 1825 – 1830 1
- 1830 – 1835 26
- 1835 – 1840 3
- 1845 – 1850 50
- 1865 – 1870 1
- 1875 – 1880 1
- 1920 – 1925 1