Similar to オタテガモ属
1850年代
1850s1880年代
1880s1890年代
1890s0
01
1▼-1 trends2
23
34
45
56
67
78
89
910
1011
11 (number)12
12 (number)13
13 (number)19
19 (number)40
40 (number)70
70 (number)100
100400
400 (number)700
700 (number)1000
1000 (number)1349
1349 (band)1680
1000000
1,000,0001048576