TABLE 3 in A new species of an unusual polychaete genus Ctenophoricola (Phyllodocida, Phyllodocidae, Alciopini) from the Indian Ocean

TABLE 3. Comparison of morphological differences between known Ctenophoricola species. Previously described species characterized according to (San Martín et al. 2021). Designations: na, not available; ~, character is not specified in the description, but an approximate estimate is taken from the figure.
CharacterC. masanoriiC. rouseiCtenophoricola sp. ACtenophoricola tzetlini sp. nov.maximum body length, mm33510.5length to maximum width ratio:anterior region7.56~917.5posterior region54.6~821width to parapodial length ratio (posterior region)~2~1~0.50.3expanded posterior region:segmentsenlargedslightly enlarged~not enlargednot enlargedparapodiaenlargedenlarged~greatly enlargedgreatly enlargedciliary coverdensesparsenasparse anteriorly, bundles of cilia posteriorlylip papillaeabsentabsentabsentpresentlateral caeca in posterior regionabsentpresent, sometimes protrude into parapodianapresent, protrude into parapodia to up to half of their lengthacicular chaetae in anterior regionabsentabsentabsentpresentpygidiumsmall with short rounded cirrismall with short rounded cirrienlarged with long digitiform cirrienlarged with long digitiform cirriexternal eyesabsentabsentnapresenteyes in fixed specimens reach posteriorlychaetigers 4–5chaetigers 4–5~middle of chaetiger 1peristomium / chaetiger 1 boundarycoloration patterntransverse pigmented bands on dorsumscattered red spots on dorsumsmall pigmented spots in rows anteriorly on dorsum and ventrum, and on all parapodia of posterior regionalmost unpigmented anteriorly, posterior with scattered reddish brown spots on dorsum and parapodia, spots in transverse rows on ventrum