From octopuses to snails, the complicated molluscan family tree has now been mapped in unprecedented detail, researchers report. This includes sequences for 13 new complete genomes from across the ...

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鳑鲏（Cyprinidae, Acheilognathinae）是一类温带淡水鱼类，它们繁殖时必须将卵产在淡水贻贝（Bivalvia: Unionidae）的鳃中；而贻贝的幼虫（glochidia）也需要寄生在宿主鱼身上才能发育和扩散。这种特殊的共生关系，究竟是互利共生还是宿主 - 寄生虫关系，一直存在争议。

Figure 1 Location of the cold seep sites surveyed at Formosa ridge. Topographic map shows the tectonic features. The study area is delimited by the red dot. Because the understanding of biomass, ...

Additionally, Cephalopoda was confirmed to be the sister group to a clade comprising Gastropoda and Diasoma (which includes Scaphopoda and Bivalvia), further refining the evolutionary relationships ...