大连潮间带后鳃类软体动物记录

RECORD ON OPISTHOBRANCHIA FROM THE INTER—TIDAL ZONE OF DALIAN

后鳃类(Opisthobranchia)是软体动物中的一个较高等类群,全为海产。对于大连沿海后鳃类的种类组成,国内学者张玺,齐钟彦、李洁民(1955,1962)记载2种,赵汝翼等(1958,1965)记载3种,实际上共为4种。多年来,我们在大连沿海进行生态学调查时,采得20余种后鳃类标本,现将其中的9科11种整理发表如下:

The Present article deals with 11 species of Opisthobranhia,belonging respectively to 11 generas,9 families.Of these,2 species are recorded for the ferst time from the China Sea.The data employed inour research are based on the specimens clleted by the Biology Department,Jilin Normal University.The Names as follws:1.Bullacta exarata (Philippi) (P1.Ⅰ,fig.1)2.Retusa (Coelophysis) minima Yamakawa (P1.Ⅱ,fig.8)3.Philine kinglipini Tchang (P1.Ⅱ,fig.2 )4.Tornatina avenaria Watson (PJ.Ⅱ,fig.7)5.Doridium minor Tchang (P1.Ⅰ,fig.3)6.Pleurobranchaea novaezealandiae Cheeseman (P1.Ⅰ,fig.4)7.Polycera fujitai Baba (P1.Ⅱ,fig.11)8.Kaloptocamus ramosus (Cantraine) (P1.Ⅱ,fig.10)9.Homoiodoris japonica Bergh (P1.Ⅱ,fig.6)10.Rostanga arbutus (Angas) (P1.Ⅱ,fig.9)11.Armina (Linguella) variolosa (Bergh) (P1.Ⅱ,fig.5)