spiralia中文什么意思

螺旋卵裂动物

腕螺

百科释义

The Spiralia are a morphologically diverse clade of animals, including within their number molluscs, annelids, platyhelminths and other phyla. The Spiralian clade of animals are more commonly referred to as the Lophotrochozoa, although whether these two terms are equivalent is debated, as noted further below.