- acanthograptus
- 剌: perverse; disagreeable; ecce ...
- 笔石: graptolite
- 笔石: (古无脊椎动物) graptolite◇笔石纲 graptolithida; 笔石体 rhabdosome; 笔石相 graptolithic facies
- 耙笔石: rastrites
- 笔石纲: graptolite; graptolithian; graptolithina; graptolithoidea; graptozoa
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