Table 3 in Three new nematode species (Chromadorida: Selachinematidae) from the continental slope of New Zealand
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Table 3. Key morphological trait comparison among all valid species of the genus Choanolaimus de Man, 1880. Abbreviations: cbd = corresponding body diameter; ND = no data; PC = pore complex. C. psammophilus de Man, 1880C. serieporus sp. nov.C. sparsiporus sp. nov.Referencede Man 1880Loof 1961 **Chitwood 1960Riemann 1966Platt & Warwick 1988Bussau 1990Present studyPresent studyHabitat & locationSand dunes; HollandSand dunes; HollandBeach spermatophytes; CaliforniaCoastal (high water line); GermanyCoastal subsoil; New HebridesDunes; Germany and Denmark coastContinental slope; New ZealandContinental slope; New ZealandBody length (µm)1700-20001270–136016001600–21201300–24001260–13101321–16881272a2520–22292216–191517–1824b76–777ND6–7118c35–5033–383943ND27–2832–3827Inner labial sensillaPapilliform?PapilliformPapilliform on lobesPapilliform on lobesFlap-likePapilliform on lobes*PapilliformPapilliformAmphideal fovea width (% cbd)ND27*27*233023*51–5656Amphideal fovea t urnsND2¼2*2¼2¼2½*4–55¼Pharynx lengthNDNDND245NDND125–155158Posterior pharynxNDSwollen posteriorlyCylindricalSlightly swollen posteriorlyCylindricalNDBulb presentBulb presentPC arrangement***NDNDNDDorsosublateral and ventrosublateral; regularly-spaced*Dorsosublateral and ventrosublateral; regularly-spaced*Dorsosublateral and ventrosublateral; regularly-spaced*Dorsosublateral; two or three groups of 8–11 PCDorsosublateral; sparsely distributedRatio of spicule length to body diameter at level of cloacal openingND0.9*0.7*0.71.00.8*1.2–1.61.5Number of precloacal supplementsND7766–7ND3–42
表3 唇口线虫属(Choanolaimus de Man, 1880)所有有效物种的关键形态性状比较。缩写说明:cbd=对应体径(corresponding body diameter);ND=无数据(no data);PC=孔复合体(pore complex)。各物种对应参考文献:C. psammophilus de Man, 1880(de Man 1880);C. serieporus sp. nov.(Loof 1961、Chitwood 1960);C. sparsiporus sp. nov.(Riemann 1966、Platt & Warwick 1988、Bussau 1990);最后两组数据来自本研究。 1. 栖息地与分布地:沙生唇口线虫:沙丘;荷兰;多孔唇口线虫新种:沙丘;荷兰;疏孔唇口线虫新种:海滩种子植物生境;加利福尼亚;沿海(高潮线);德国;海岸下层土壤;新赫布里底群岛;沙丘;德国与丹麦海岸;大陆坡;新西兰;大陆坡;新西兰 2. 体长(μm):1700~2000、1270~1360、1600、1600~2120、1300~2400、1260~1310、1321~1688、1272 3. a值:25~20、22~16、17~18、24、76~77、7、无数据、6~7、11、8 4. b值:35~50、33~38、39、43、无数据、27~28、32~38、27 5. 内唇感器:乳突状?、乳突状、叶上乳突状、叶上乳突状、瓣状、叶上乳突状*、乳突状、乳突状 6. 化感器窝宽度(以对应体径百分比计):无数据、27*、27*、23、30、23*、51~56、56 7. 化感器窝环纹数:无数据、2¼、2*、2¼、2¼、2½*、4~5、5¼ 8. 咽长度:无数据、无数据、无数据、245、无数据、无数据、125~155、158 9. 咽后部:无数据、后部膨大、圆柱形、略后部膨大、圆柱形、无数据、具咽球、具咽球 10. 孔复合体排布:***、无数据、无数据、无数据、背亚中与腹亚中排布;规则间距*、背亚中与腹亚中排布;规则间距*、背亚中区;2~3组,每组8~11个孔复合体、背亚中区;稀疏分布 11. 泄殖腔水平处交合刺长度与体径之比:无数据、0.9*、0.7*、0.7、1.0、0.8*、1.2~1.6、1.5 12. 泄殖前附属物数量:无数据、7、7、6、6~7、无数据、3~4、2



