| The tube is quite thin so the branchiae probably are used mostly to acquire oxygen and carbon dioxide. |
| So it confused me when the keys I was using described Streblospio as only having one pair of branchiae. |
| As the branchiae found in Dendronereis and Dendronereides might not be homologous, he considered it wrong to unite the two genera in a subfamily. |
| The genus Prionospio Malmgren 1867 includes species with smooth, non-pinnate and pinnate branchiae arranged in various combinations. |
| There is always some water washing the branchiae of the fish. |
| While resting in burrows or slight crevices, Pherusa extends its cephalic cage, grooved paired pales, and branchiae into the current. |
