Table 2 in Three new species of Heteromastus (Annelida, Capitellidae) from Korean waters, with genetic evidence based on two gene markers

Table 2. Morphological comparison between Heteromastus species of this study and their closely related species. A: absent; P: present; Ch: chaetiger.
SpeciesEyespotsDental structure of abdominal hooksNotopodial lobes in posterior abdomenMethyl green staining patternHabitat (locality)H. namhaensis sp. nov.A4 rows (3/3/3/4-6)Hemispheric notopodial lobes dorso-posteriorly extendedCh 3-11 blue, abdomen not stainedSubtidal, 36 m, sandy mud with shell fragments (Korea)H. gusipoensis sp. nov.A4 rows (3/3/4/2)Not extendedCh 3-10 with blue speckles, median part of each segment stained denselyIntertidal, 0-1 m, sandy mud (Korea)H. koreanus sp. nov.P3 rows (2/3/4)Rounded notopodial lobes posteriorly extendedCh 6-11 green, Ch 11 dark, abdomen not stainedIntertidal, estuarine, 0-1 m, sandy mud (Korea)H. filiformis sensu Hutchings & Rainer, 1982A3 rows (3 –4/4–5/4– 6)Broadly-based and rounded notopodial lobes posteriorly extendedUnknownIntertidal (Mediterranean)H. filiformis sensu Choi & Yoon, 2016P3-4 teeth in 3 rowsRounded notopodial lobes posteriorly extendedCh 1 & Ch 3-11Intertidal (Korea)H. tohbaiensis Yabe & Mawatari, 1998PVariable (>11)Not extendedUnknownLake, low salinity, fine mud (Japan)