| Cephalon frontal part | T-shaped | Heart-shaped | T-shaped | Y-shaped | Triangular | Y-shaped |
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| Finger chela teeth | 20 to 32 large teeth, each alter- nating with 4–7 small teeth | 25 large teeth, dif- ferent on movable and immovable fingers | 22 to 26 large teeth. 1–2 short teeth between large ones | 12 to 14 large teeth, each alter- nating with 2 small teeth | 13 to 21 large teeth | 22 large teeth on the one immovable finger and 32 small teeth on the movable one. |
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| Chela length / palm length | >> | = | > | < | = | > |
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| 4th / 5th palp length | < | > | < | > | > | < |
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| Cement gland tubes | 2 to 3 short tubes | 1 very large tube | 16 short tubes on coxa 2, femur and tibia 1 | ? | ? | 3 tubes |
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| Proboscis shape | Cylindrical,with a constriction in its distal region, without maxi- mum diameter | With maximum diameter in the middle | Cylindrical, without distal constriction | Without maxi- mum diameter in the middle | Without distal constriction, with maximum diameter in the middle | Without dis- tal constriction, with maximum diameter in the middle |
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| Strigilis spine formula | 5: 4: 3: 4 | 4: 3: 2: 5 | 8: 5: 4. 7 | 7: 5: 4: 5 | 10: 6: 6: 6 | 5: 3: 2: 4 |
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| Ocular tuber- cle and eyes | Tricuspidated, transparent eyes | Bicuspidated with basal wart, with- out eyes | Cylindrical trun- cated with pig- mented eyes | Large and blunt, pigmented eyes | Blunt or with distal papilla, pigmented eyes | With distal papilla, pigmented eyes |
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| Geographic distribution | Galician and Cantabrian Atlantic | Portuguese Atlan- tic | Ivory Coast and Liberia, Atlan- tic. | Senegal and Cape Verde Basin, Atlantic | Mediterranean Sea (Sicily) | Gibraltar Zone |
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