TABLE 3 in Syllidae (Annelida) from the Alborán Sea (Western Mediterranean), with the description of a new species of Paraehlersia San Martín, 2003

TABLE 3. Key morphological characters of the currently known species of Paraehlersia.
Species (Geographical location)Length of spiniger-like chaetae (µm)Dorsal simple chaetaeAciculaeLength of pharynx (chaetigers)proventricle (chaetigers) / no. of rows ofShape of posterior falcigersReferencesP. articulata (Kudenov & Harris, 1995) (California)950–1000Unidentate on first chaetigers then becoming progressively bidentateDiamond shaped on the tip at the anterior part of the body, progressively blunt along the body~6–7~5 / 22–24Bidentate, proximal tooth slightly longer and widter than distal one. Both sharpKudenov & Harris (1995)P. dionisi (Núñez y San Martín, 1991) (Canary Islands and Western Mediterranean Sea)51–54Moderately thick, not bifid strongly serrated marginsThin, distal thickening with small tip~12~7 / 30Bidentate, proximal tooth thicker than distal one, c shaped. Short subdistal spinesNüñez & San Martín (1991); San Martín (2003)P. ehlersiaeformis (Augener, 1913) (Australia)50–47Bifid with short subdistal spinesDistally acuminate, lancet-shaped75 / 21Bidentate, proximal tooth much thicker than distal one, bent at right angle respect to it or slightly curved towards shaft. Short subdistal spinesAugener (1913); San Martín & Hutchings (2006)P. ferrugina (Langerhans, 1881) (North Atlantic Ocean and Mediterranean Sea)100–75Bidentate, with teeth of different sizes, with short subdistal spinesTruncate, subdistally enlarged, with oblique tip~6–76–7 / ~25Bidentate, proximal tooth strongly thicker, downward dressed. Thin sharp distal tooth, upward dressed, following the vertical of the chaetaLangerhans (1881); Laubier (1968); San Martín (2003)P. kawesqar Soto & San Martín, 2018 (Chilean Patagonia)72–48Very thin, flat and sharp on mid-posterior segmentsDistally acuminate714–15 / ~27Bidentate, proximal tooth much thicker and significantly larger than distal one. Short subdistal spines may existSoto & San Martín (2018)P. longichaetosa Fukuda et al., 2012 (Brazil)120–60Bidentate with short subdistal spinesBent almost at right angle, subdistally irregularly inflated, with pointed tip7–95–8 / 22–28Bidentate, proximal tooth slightly thicker than distal one. Short subdistal spinesFukuda et al. (2012)P. martapolae Fukuda et al., 2012 (Brazil)82–35Distally irregularly roundedBent almost at right angle, apparently flattened on tip9–125–6.5 / 21–24Bidentate, short, proximal tooth slightly thicker than distal one. C shaped. Short subdistal spinesFukuda et al. (2012)P. pamelae n. sp. (Alborán Sea)84–99Slightly bent tip, bifid with subdistal tooth slightly smaller than distal oneBent at ~45º, rounded in middle segments, sharp at final segments10.5~5 / 18Bidentate, c shaped, proximal and distal teeth similar in size, proximal one slightly smaller sometimes. Short subdistal spinesThis paperP. weissmannioides (Augener, 1913) (Australia)100–95Truncate, slightly bifid distally, with short subdistal spinesStraight, distally rounded, oblique with short tip~74–5 / 22Bidentate, proximal tooth thick. Long subdistal spines in proximity of toothAugener (1913); San Martín & Hutchings (2006)
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