Family: With 2 or more frontoventral cirral files parallel to long axis of ora region along its right border;
at least 2 frontoventral files extend almost length of body (Illustrated Guide, 1985).
Genus: Cirral files not extend backward as far as transverse group (Illustrated Guide, 1985). Species: |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
