A COMPARATIVE-ANALYSIS OF NEMATOCYSTS IN PELAGIA-NOCTILUCA AND RHIZOSTOMA-PULMO FROM THE NORTH ADRIATIC SEA

被引:21
作者
AVIAN, M [1 ]
DELNEGRO, P [1 ]
SANDRINI, LR [1 ]
机构
[1] UNIV TRIESTE,CTR INT MEDITERRANEO AMBIENTE MEDUSE,I-34127 TRIESTE,ITALY
关键词
SCYPHOZOA; PELAGIA-NOCTILUCA; RHIZOSTOMA-PULMO; NEMATOCYSTS; MORPHOLOGY;
D O I
10.1007/BF00026521
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
Nematocysts of the scyphozoans Pelagia noctiluca and Rhizostoma pulmo were examined. In R. pulmo 4 types of nematocyst were observed: heterotrichous microbasic euryteles; holotrichous isorhizas; atrichous a-isorhizas; and atrichous alpha-isorhizas. In P. noctiluca 5 types of nematocyst were seen: heterotrichous microbasic euryteles; heterotrichous isorhizas (previously described as atrichous isorhizas); holotrichous O-isorhizas; atrichous a-isorhizas; and an undescribed type, which in its structure and discharge mechanism resembles microbasic p-mastigophores. The results show, in both P. noctiluca and R. pulmo, a greater variety of nematocysts than described in previous studies.
引用
收藏
页码:615 / 621
页数:7
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