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- Isurus paucus n. 长臂灰鲭鲨
- Either of two mackerel sharks of the genus Isurus,characterized by a large heavy body and a nearly symmetrical tail. 灰鲭鲨，尖嘴鲭鲨任一种属于鲭鲨属的鲭鲨，特点是具有硕大沉重的身体和近乎对称的尾巴
- Either of two mackerel sharks of the genus Isurus, characterized by a large heavy body and a nearly symmetrical tail. 灰鲭鲨，尖嘴鲭鲨任一种属于鲭鲨属的鲭鲨，特点是具有硕大沉重的身体和近乎对称的尾巴
- either of two mackerel sharks of the genus Isurus,characterized by a large heavy body and a nearly symmetrical tail 任一种属于鲭鲨属的鲭鲨，特点是具有硕大沉重的身体和近乎对称的尾巴
- Reophax paucus n. 贫室串房虫
- Isurus 鲭鲨
- Isurus axyrinchus n. 灰鲭鲨
