Suborder: Ventral cirri as 1 or more files of varied length; linear.
Family: Frontal file, on right, rarely extends past mid-body; at least 1 left and 1 right marignal cirral files (Illustrated Guide, 1985).
Genus: With 1 left and 1 right marginal file; transverse row of 2-3 cirri at extreme ventral anterior; more than 2 other frontal cirri not in transverse row nor in longitudinal file (Illustrated Guide, 1985).
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Engelmanniella sp. ?
cell 175 μm