| # | Name | Short Name | Unit | Principal Investigator | Method | Comment |
| 1 | Identification  | ID | | Findlay, Helen S  | | |
| 2 | Sample ID  | ID | | Findlay, Helen S  | | |
| 3 | Experimental treatment  | Exp trtm | | Findlay, Helen S  | | |
| 4 | Temperature, water  | Temp | °C | Findlay, Helen S  | | |
| 5 | Incubation duration  | Inc dur | h | Findlay, Helen S  | | |
| 6 | Strongylocentrotus droebachiensis, embryo, abnormal  | S. droebachiensis embryo abn | # | Findlay, Helen S  | Counting  | |
| 7 | Strongylocentrotus droebachiensis, embryo, not fertilized  | S. droebachiensis embryo not fert | # | Findlay, Helen S  | Counting  | |
| 8 | Strongylocentrotus droebachiensis, embryo, fertilized membrane  | S. droebachiensis embryo fert mem | # | Findlay, Helen S  | Counting  | |
| 9 | Strongylocentrotus droebachiensis  | S. droebachiensis | # | Findlay, Helen S  | Counting  | 2 cells |
| 10 | Strongylocentrotus droebachiensis  | S. droebachiensis | # | Findlay, Helen S  | Counting  | 4 cells |
| 11 | Strongylocentrotus droebachiensis  | S. droebachiensis | # | Findlay, Helen S  | Counting  | 8 cells |
| 12 | Strongylocentrotus droebachiensis  | S. droebachiensis | # | Findlay, Helen S  | Counting  | more than 8 cells |