A monograph of the British marine annelids. Vol. IV-Part I. Polychaeta. Hermellidae to Sabellidae
McIntosh, W.C. (1922). A monograph of the British marine annelids. Vol. IV-Part I. Polychaeta. Hermellidae to Sabellidae. Printed for the Ray Society: London. 250, plates CXII-CXXVII pp.
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