Micrographs of P. orphanae sp. nov. holotype SIO-BIC A6151 A left parapodium from segment 6 B left parapodium from segment 9 C notochaeta D superior neurochaeta (supra-acicular) E inferior neurochaeta (subacicular). Abbreviations: br1, branchiae small group 1 attached to dorsal tubercle; br2, branchiae large group 2 attached near base of notopodium; noc, notochaetae; dc, dorsal cirrus; no, notopodium; snec, superior neurochaetae; ne, neuropodium; neap, neuroacicular process; vc, ventral cirrus; inec, inferior neurochaetae; el, elytrophore; br, single large group of branchiae on elytrigerous segment. Scale bars: 2 mm (A, B); 15 μm (C); 10 μm (D, E).