| SPECIES: | DATE : |
| Env. Condition | |||||||
| Mother Shell Locality | Ave. in 20 e Ave. in 50e | W.T. (°C) | |||||
Egg Condition Egg Size Deformity ratio | |||||||
| Date | Time | Stage | Check Mark | Film No. | W.T. | Comments | |
| 1 | Fertilization | Check fertilization ratio | |||||
| 2 | Polar body appearance | ||||||
| 3 | 2 Cell appearance | ||||||
| 4 | Polar body appearance | ||||||
| 5 | 4 Cell appearance | ||||||
| 6 | 8 Cell appearance | ||||||
| 7 | 16 Cell appearance | ||||||
| 8 | Egg (your items) | ||||||
| 9 | Grastrula | ||||||
| 10 | Brastrula | ||||||
| 11 | B. with cillia gardle | ||||||
| 12 | Trochophor in cell | ||||||
| 13 | Trochophor hatch out | ||||||
| 14 | Trochophor larval shell | ||||||
| 15 | Veliger large I. sh. | ||||||
| 16 | Veliger with verum | ||||||
| 17 | Veliger perfect I. sh. | ||||||
| 18 | Veliger tortion | ||||||
| 19 | Veliger (your items) | ||||||
| 20 | Veliger with opeculum | ||||||
| 21 | Veliger eye spot | ||||||
| 22 | Veliger (your items) | ||||||
| 23 | Veliger otholith app. | ||||||
| 24 | Veliger foot fully developed | ||||||
| 25 | Veliger (your items) | ||||||
| 26 | Young shell with peristomal shell | Landing time (Half No.landed in tank) | |||||
