| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| B8YR23 | Telomerase reverse transcriptase; Fragment; | TERT-L; | NULL | 376 | sea-urchin |
| W4YWC7 | Uncharacterized protein; | Sp-Hypp_965; | NULL | 639 | sea-urchin |
| Q9NLD5 | Spicule matrix protein SM37; Fragment; | NULL | NULL | 191 | sea-urchin |
| A1DXT5 | Sp185/333; | NULL | NULL | 273 | sea-urchin |
| Q2V886 | Forkhead transcription factor L2; Fragment; | FoxL2; | NULL | 372 | sea-urchin |
| E3CTM2 | 185/333 D1a protein variant 2; | 185; 333 D1a-2; | NULL | 376 | sea-urchin |
| A1DWN8 | Sp185/333; | NULL | NULL | 291 | sea-urchin |
| A1DWN9 | Sp185/333; | NULL | NULL | 291 | sea-urchin |
| A1DY16 | Sp185/333; | NULL | NULL | 291 | sea-urchin |
| W4X9Z8 | Uncharacterized protein; | Sp-Clect_61; | NULL | 218 | sea-urchin |
| W4XA04 | Uncharacterized protein; | Sp-Dnahc8_1; | NULL | 150 | sea-urchin |
| W4XAU0 | Uncharacterized protein; | Sp-Tydp1; | NULL | 216 | sea-urchin |
| W4XA20 | alpha-1,2-Mannosidase; EC 3.2.1.-; | Sp-C20orf31; | NULL | 523 | sea-urchin |
| W4X9K2 | Uncharacterized protein; | Sp-Cdc7; | XP_785538.2; | 591 | sea-urchin |
| W4XHM9 | Uncharacterized protein; | Sp-Aldh9a1; | NULL | 378 | sea-urchin |
| W4XAL8 | Uncharacterized protein; | Sp-Chrm5L; | XP_001181699.1; | 443 | sea-urchin |
| W4XBG2 | Uncharacterized protein; | Sp-B3galt2; | NULL | 355 | sea-urchin |
| W4XJX4 | Uncharacterized protein; | NULL | NULL | 250 | sea-urchin |
| W4XHT7 | Uncharacterized protein; | NULL | NULL | 85 | sea-urchin |
| W4XB61 | Uncharacterized protein; | Sp-Acaca; | NULL | 1217 | sea-urchin |
