title: [Morphology of Cucullanus cirratus Müller, 1777 (Nematoda: Cucullanidae)].
abstract: The nematodes of C. cirratus of stages III, IV and V were found in the gut of cod Gadus morhua and navaga Eleginus navaga from the White Sea. The morphological data on 176 specimens of C. cirratus were subjected to statistical analysis. The developmental stages can be distinguished by means of measurements of the width and length of pseudo-buccal cavity. The first description of stage IV of C. cirratus and detailed redescription of the IIId stage larvae of C. cirratus are given.
mesh_terms: D000818:Animals; D005399:Fishes / Q000469:parasitology*; D009024:Morphogenesis; D009348:Nematoda
vernacular_title: Morfologiia Cucullanis cirratus Müller, 1777 (Nematoda: Cucullanidae).