Heteractinida

The Heteractinids are a grade of sponges that are paraphyletic with respect to Hexactinellida. Their distinctive trait is their six-pronged (snowflake-like) spicules, whose symmetry historically suggested a relationship with the triradial Calcarean sponges. Nevertheless, they actually represent a polyphyletic grade, from which the hexactinellids arose.

单词	Heteractinida
释义	Heteractinida 英汉-汉英词典异射海绵类词组 \| 习惯用语您要查找的是不是： interactive adj. (指至少两个人或物)一起活动或互相合作的交互式的, 人机对话的 noninteracting adj. 不相互作用的 interaction n. 一起活动, 合作, 配合, 相互作用 interactivity n. 交互性；互动网络短语: heteractinida 异射海绵类 Class Heteractinida 海绵纲英语百科 Heteractinida The Heteractinids are a grade of sponges that are paraphyletic with respect to Hexactinellida. Their distinctive trait is their six-pronged (snowflake-like) spicules, whose symmetry historically suggested a relationship with the triradial Calcarean sponges. Nevertheless, they actually represent a polyphyletic grade, from which the hexactinellids arose.
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Heteractinida

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网络短语:

Heteractinida