希波箭石（学名：Hibolites）是生存在晚侏罗纪至中白垩纪海洋中的一属箭石。[1]牠们的鞘为细长的矛头状，膨大处位于中央偏后，自此处向后逐渐变尖。闭锥内朝向口一侧的最外二个隔壁有穿孔，可能为其体管的所在位置，但向后延伸不明。[2]其化石分布于欧洲、阿尔及利亚、马达加斯加、伊朗和莫桑比克等地。[3]
物种[3]
- Hibolites duperroni
- Hibolites fontoinonti
- Hibolites hastatus
- Hibolites latesulcatus
- Hibolites semihastatus
参考文献
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