Table 2 in Unravelling the convoluted nomenclature of Marphysa simplex (Annelida, Eunicidae) with the proposal of a new name and the re-description of species

Table 2. Morphological features of Marphysa species with reddish subacicular hook and three types of pectinate chaetae. Abbreviations: MF: Maxillary formula, roman numerals refer to number of maxilla; MxC: maxillary carriers; CIS: closing system; COp: cavity opening; PR-I: first peristomial ring; PR-II: second peristomial ring; Chaet: chaetiger; p/a: present/absent; AR: anterior region; MR: median region; PR: posterior region; SH: subacicular hook. INSS: Isodont narrow with short and slender teeth; INLS: Isodont narrow with long and slender teeth; INLT: Isodont narrow with long and thick teeth; IWSS: Isodont wide with short and slender teeth; IWLS: Isodont wide with long and slender teeth; IWLT: Isodont wide with long and thick teeth; AWLT: Anodont wide with long and thick teeth; AWLS: Anodont wide with long and slender teeth.
Morphological featureM. americana Monro, 1933M. angelensis Fauchald, 1970M. depressa (Schmarda, 1861a)M. emiliae Molina-Acevedo & Carrera-Parra, 2017M. nobilis Treadwell, 1917M. sanguinea (Montagu, 1913)M. teretiuscula (Schmarda, 1861a)M. tripectinata Liu, Hutchings & Sun, 2017Source of informationholotype BNHM 1932.12.24.554-556holotype LACM-AHF POLY 285; and additional materialsyntypes NHM 1044holotype ECOSUR0180; paratype ECOSUR0181holotype AMNH VI-1915-1350, additional materialneotype BNHM 1867.1.7.24; additional materialsyntypes NHM 1092, M. simplex Crossland, 1903 syntypes BNHM 1937.9.2.325paratypes AM W.49071, AM W.49072Size (mm): L10, W1012, 5.82.1-5.4, 174.2-11.5, 1.9-4.83.5, 1.66 -13.6, 6.511.5-20.4, 7.2-115.5-12.4; 0.8-511-12.3, 4-5Prostomium: shapebilobedbilobedbilobedbilobedbilobedbilobedbilobedbilobedPalps: reachingPR-IPR-II, Chaet 1PR-I, Chaet 1PR-IIPR-I, PR-IIPR-I, PR-IIPR-I, Chaet 1PR-IILateral antennae: reachingPR-IIPR-II, Chaet 2Chaet 1, 2Chaet 1PR-II, Chaet 2PR-II, Chaet 1Chaet 1Chaet 1Median antennae: reachingChaet 1Chaet 1, 3Chaet 1, 3Chaet 1Chaet 1, 3PR-II, Chaet 2Chaet 1, 2Chaet 1, 2Peduncle in prostomial appendagesabsentabsentabsentabsentabsentabsentabsentabsentEyespresentpresentpresentpresentpresentpresentpresentpresentMF: MII, MIII, MIV5+4, 7+0, 3+93-5+4-5, 4-6, 3-4+6-83-4+4, 4-5, 3-5+6-84+4, 5+0, 3+83-4+3-4, 5-6, 3-4+7-84+4-5, 5-6, 3-4+6-84-6+4-7, 5-8, 4-5+7-95+5-6, 7, 4-5+8MI vs. MxC: proportion3.2 × longer than MxC2.1-3.4 × longer than MxC2-2.8 × longer than MxC2.5 × longer than MxC3.8 × longer than MxC2.9-3.2 × longer than MxC3-3.1 × longer than MxC2.6-2.8 × longer than MxCMI vs. CIS: proportion5 × longer than CIS3-4.5 × longer than CIS3.5-4 × longer than CIS4.8 × longer than CIS5 × longer than CIS3.8-5.6 × longer than CIS4.4-5.5 × longer than CIS4-4.5 × longer than CISMII vs COp: proportion3 × longer than COp4.3-6 × longer than COp3.1-5 × longer than COp3.5 × longer than COp3.2 × longer than COp3.7-4.4 × longer than COp2.7-3.4 × longer than COp3.6-3.8 × longer than COpBranchiae: shapedpectinatepectinatepectinatepectinatepectinatepectinatepalmate/pectinatepalmate/pectinateBranchiae: start chaetiger; last chaetiger before pygidium45; 289-14; 3-3126-44; 20-398-12; 10-1317-27; 34-3721-25; 9-1818-32; 7-1213-20; 16Branchial filaments: numbers, length of the filaments12, long2-6, short2-4, long2-5, long4-6; long5-6; long4-6; long5-6; longDorsal cirri: shapeconicalconicalconicalAR, MR: conical, PR: digitiformAR: digitiform, MR: digitiform with swollen base, PR: conicalconicalconicalAR: digitiform, MR, PR: conicalPrechaetal lobe: shapetransverse foldtransverse foldtransverse foldtransverse foldAR, MR, PR: transverse foldAR, MR, PR: transverse foldAR: dorsal edge longer, MR, PR: transverse foldAR: dorsal edge longer, MR, PR: transverse foldChaetal lobe: shapeAR: rounded, MR, PR: triangularAR: rounded, MR, PR: triangularAR: rounded, MR, PR: triangularAR: rounded, MR, PR: triangularAR: rounded, MR, PR: triangularAR: rounded, MR, PR: triangularAR: rounded, MR, PR: triangularAR: rounded, MR, PR: triangularDeveloped postchaetal lobe: end chaetiger9218-6127-604239-7150-7020-5650-131Poschaetal lobe: shape in body regionsChaet 1-4: conical; from Chaet 5: roundedChaet 1-4: digitiform, from Chaet 5: roundedChaet 1-4: digitiform, from Chaet 5: auricularChaet 1-4: digitiform, from Chaet 5: roundedroundedChaet 1-4: digitiform, from Chaet 5: ovoidovoid dorsal edge longerrounded with dorsal edge longerVentral cirri in first chaetigers: shapedigitiformdigitiformroundeddigitiformconicaldigitiformconicalconicalVentral cirri with swollen base: start chaetiger; last chaetiger before pygidium5; 454-7; 28-585-6; 22-284-7; 39-4410-11; 445-8; 8-184-8; 34-686-8; 151Ventral cirri in most posterior chaetigers: shapeconicaldigitiformconicaldigitiformconicalconicaldigitiformconicalAciculae: shape; colourblunt, darkblunt, darkblunt, darkblunt, darkblunt, darkblunt, darkblunt, darkblunt, darkSubacicular limbate chaetaeabsentabsentabsentabsentabsentabsentabsentabsentPectinate chaetae: type in AR; MR, PRINLS; IWSS, IWLT, AWLTINST; IWSS, AWLSINSS; IWLT, AWLTIWSS; AWLTINLS; IWSS, AWLSINLS; IWSS, AWLSINLS; INLS, IWLT, AWLTINLS; IWLS, AWLSPectinate chaetae: number per type3-4; 3-4, 2-3, 1-21-2; 3-4, 2-32-3; 3-4, 3-46-8; 3-42-3; 10-12, 6-71-2; 18-20, 4-51-2; 20-25, 3-4, 2-31-2; 16-17, 4-5Pectinate chaetae teeth: number per type12; 16, 16, 1115; 18, 8-98-9; 14, 13-1420-22; 1316-17; 17, 1610; 18, 10-1221-22; 30-32, 16-18, 6-718; 25, 15-17Spiniger blade: length in AR2 lengths2 lengthssimilar length2 lengths2 lengths2 lengths2 lengths2 lengthsSpiniger blade: length in MR-PRsimilar length2 lengths-2 lengths2 lengths2 lengths2 lengths2 lengthsSpiniger: distributionall chaetall chaetAR onlyall chaetall chaetall chaetall chaetall chaetFalciger: (p/a); distributiona; NAp; all chaet or ARp; all chaetp; ARabsentabsentabsentabsentSubacicular hook: start chaetiger11714-2933-6821-2831-9474-28630-3862-115Subacicular hook: shape; colourbidentate, reddish basally and translucent distallybidentate, reddish basally and translucent distallybidentate, reddish basally and translucent distallybidentate, reddish basally and translucent distallyunidentate, reddish basally and translucent distallybidentate, reddish basally and translucent distallybidentate, reddish basally and translucent distallybidentate, reddish basally and translucent distallyWidth acicula vs. SH in MR-PR: proportionsimilar widthsimilar widthsimilar widthsimilar widthAcicula 2 × wider than SHAcicula 2 × wider than SHsimilar widthAcicula 2 × wider than SHSubacicular hook: distributiondiscontinuouscontinuecontinuecontinuediscontinuousdiscontinuousdiscontinuouscontinuous