摘要
The spinosaurids represent an enigmatic and highly unusual form of large tetanuran theropods that were first identified in 1915.A recent flurry of discoveries and taxonomic revisions of this important and interesting clade has added greatly to our knowledge.Spinosaur body fossils are however generaUy rare and most species are known from only limited skeletal remains.Their unusual anatomical adaptations to the skull,limbs and axial column all differ from other large theropods and point to an unusual ecological niche and a lifestyle intimately linked to water.
The spinosaurids represent an enigmatic and highly unusual form of large tetanuran theropods that were first identified in 1915. A recent flurry of discoveries and taxonomic revisions of this important and interesting clade has added greatly to our knowledge. Spinosaur body fossils are however generally rare and most species are known from only limited skeletal remains. Their unusual anatomical adaptations to the skull, limbs and axial column all differ from other large theropods and point to an unusual ecological niche and a lifestyle intimately linked to water.
