Supplementary_Tables_S1-9.xlsx

<b>Supplementary Table S1.</b> Peptide sequences of molluscan limb patterning genes used as queries for tblastn searches against the embryonic transcriptomic assembly for <i>C. aspersum.</i><b>Supplementary Table S2.</b> Spiralian sequences obtained from GenBank used for the molecular phylogenetic reconstruction of homeodomain transcription factor homologs.<b>Supplementary Table S3.</b> Spiralian sequences obtained from GenBank used for the molecular phylogenetic reconstruction of Wnt family homologs.<b>Supplementary Table S4.</b> Spiralian sequences obtained from GenBank used for the molecular phylogenetic reconstruction of <i>dac</i> homologs.<b>Supplementary Table S5.</b> Spiralian sequences obtained from GenBank used for the molecular phylogenetic reconstruction of <i>hh</i> homologs.<b>Supplementary Table S6.</b> Spiralian sequences obtained from GenBank used for the molecular phylogenetic reconstruction of <i>Tgfβ</i> homologs.<b>Supplementary Table S7.</b> Spiralian sequences obtained from GenBank used for the molecular phylogenetic reconstruction of <i>Frizzled</i> Wnt co-receptor and <i>Sfrp</i> extracellular Wnt repressor homologs.<b>Supplementary Table S8.</b> Best fit model selected for each molecular phylogenetic reconstruction.<b>Supplementary Table S9.</b> HCR probe sequence used for gene expression assays.

**补充表S1**：用于针对<i>C. aspersum</i>胚胎转录组组装结果开展tblastn搜索的查询序列所用的软体动物附肢模式形成基因的肽序列。
**补充表S2**：从GenBank获取的、用于同源框转录因子同源物分子系统发育重建的螺旋动物序列。
**补充表S3**：从GenBank获取的、用于Wnt家族同源物分子系统发育重建的螺旋动物序列。
**补充表S4**：从GenBank获取的、用于<i>dac</i>同源物分子系统发育重建的螺旋动物序列。
**补充表S5**：从GenBank获取的、用于<i>hh</i>同源物分子系统发育重建的螺旋动物序列。
**补充表S6**：从GenBank获取的、用于转化生长因子β（Tgfβ）同源物分子系统发育重建的螺旋动物序列。
**补充表S7**：从GenBank获取的、用于卷曲蛋白（Frizzled）Wnt共受体及分泌型卷曲相关蛋白（Sfrp）细胞外Wnt抑制物同源物分子系统发育重建的螺旋动物序列。
**补充表S8**：为各分子系统发育重建所选的最优拟合模型。
**补充表S9**：用于基因表达检测实验的杂交链反应（Hybridization Chain Reaction, HCR）探针序列。