MACFADYENIA, 1953

Allgén, C. A., 1953, Terrestrial nematodes from Jan Mayen, Annals and Magazine of Natural History 12 (6), pp. 665-688 : 675

MACFADYENIA , gen. nov. *

Very remarkable genus o f terrestrial nematodes, the systematic position of which remains uncertain.

I n its general shape similar t o the Chromadorids, especially to the genus Euchromadora de Man; it differs from this earlier genus in the following points:- -

(l) the thin, smooth, not annulated cuticle; (2) the irregularly shaped dorsal tooth; and (3) the rather large, strongly muscular o esophageal bulb.