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湛江湾和平水母属2新种(软水母亚纲,锥螅水母目,和平水母科)
Authors
刘耀谦
孙省利
+3 more
张才学
赵子科
黄加祺
Publication date
15 December 2019
Publisher
Abstract
采自广东湛江湾海域软水母亚纲(Leptomedusae Claus,1877)、锥螅水母目(Conica Broch,1916)、和平水母科(Eirenidae Haeckel, 1879)、和平水母属(Eirene Eschscholtz,1829) 2新种,即大腺和平水母新种(E. macrogonia Huang, Sun et Liu,sp. nov.)和湛江和平水母新种(E. zhanjiangensis Huang, Zhang et Zao, sp.nov.)。其鉴别特征如下:(1)大腺和平水母,新种;伞扁于半球形,胶质中等厚;胃柄基部塔状,胃柄较长,伸出伞腔口外;垂管长度短于口唇,4个发达口唇边缘呈齿状皱褶;生殖腺发达波状弯曲,着生于辐管下伞部,从胃柄基部延伸到伞缘外;19~24条缘触手,5~8个缘疣,触手基部呈球状,无排泄乳突;每2条触手间或触手和缘疣间有1个平衡囊,每个平衡囊有1~2个平衡石;4条辐管,1条环管。(2)湛江和平水母,新种;伞半球形,胶质厚;胃柄基部呈塔形,末端变窄;垂管较长,约等于口唇长度,口唇边缘有齿状皱褶;生殖腺带状,从胃柄基部延伸至近伞缘;缘触手多,70~125条,触手基球有排泄乳突;平衡囊数目约为触手数的1/2;4条辐管,1条环管。国家海洋局海洋公益性科研专项(No.201505027
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Last time updated on 20/11/2020