| two new species of cystidicolid nematodes from the digestive tract of the deep-sea fish coryphaenoides mediterraneus (giglioli) (macrouridae) from the mid-atlantic ridge. | two new nematode species, ascarophis longiovata n. sp. and neoascarophis longispicula n. sp. (cystidicolidae), are described from the digestive tract of the marine deep-water fish, the mediterranean grenadier coryphaenoides mediterraneus (giglioli), from the mid-atlantic ridge. the former species is characterised mainly by the structure of the mouth (large pseudolabia, each with well-developed dorsal and ventral extension and small apical protrusion; submedian labia almost absent), the large, el ... | 2009 | 19337858 |