Table 1.
Palaeozoic fossil species of pycnogonids described in the literature.
| species | localities | formation and age | references |
|---|---|---|---|
| Flagellopantopus blocki | Germany | Hunsrück state. Lower Devonian (ca 400 Myr) | Poschmann & Dunlop (2006) |
| Palacoisopus problematicus | Germany | Hunsrück state. Lower Devonian (ca 400 Myr) | Bergström et al. (1980) |
| Palacoisopus devonica | Germany | Hunsrück state. Lower Devonian (ca 400 Myr) | Bergström et al. (1980) |
| Palaeothea devonica | Germany | Hunsrück state. Lower Devonian (ca 400 Myr) | Bergström et al. (1980) |
| Haliestes dasos | England | Herefordshire, Lower Silurian (ca 425 Myr) | Siveter et al. (2004) |
| Cambropycnogon klausmuelleri | Sweden | Orsten. Upper Cambrian (ca 500 Myr) | Waloszek & Dunlop (2002) |