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Table 1 Description of microtrich structures on the cuticular surface of some representatives of marine isopods

From: The morphology, arrangement, and ultrastructure of a new type of microtrich sensilla in marine isopods (Crustacea, Isopoda)

Species Description NF
Excirolana orientalis Cuticular depressions are furnished with three to four knobs arranged in a semi-circular row; collar short, oval, anterior margin shorter than posterior one; shaft short with a tuft of long filaments (Figures 2B and 3B). ≈30
Excirolana sp. Cuticular depressions are furnished with three to five knobs arranged in a semi-circular row; collar short, anterior margin shorter than posterior one; shaft short with a tuft of long filaments (Figures 2A and 3A). ≈30
Lanocira sp. Simple cuticular depression; collar very short, oval; shaft very short with a tuft of long filaments (Figure 2C). ≈12
Atarbolana sp. Collar very short, round; shaft long. ≈5
Sphaeromopsis sarii Shallow, flower-shaped cuticular depression; collar spool-shaped, large; shaft large with a tuft of long filaments (Figures 2D,E and 3D). ≈8
S. amathitis Shallow, flower-shaped cuticular depression; collar spool-shaped, large; shaft large with a tuft of long filaments (Figure 3E). 10 to 12
S. mourei Shallow, flower-shaped cuticular depression; collar spool-shaped, large; shaft large with a tuft of long filaments (Figure 3F). 6-8
Sphaeroma khalijfarsi Collar short, shaft long with long filaments (Figures 2F and 4A). ≈8
S. walkeri Collar short; shaft long with long filaments (Figure 4B). 4 to 5
Cymodoce sp. Collar medium, shaft very long with very long filaments (Figures 2G and 4E). 5
Dynamenella granulata Collar medium, shaft short with long filaments (Figure 4C). 5
  1. NF, number of distal filaments.