Linked from

The 11 pages that link to Pikaia, each with the reason it gives.

• OstracodermCompared with: It illustrates an early chordate body plan without the extensive armor of ostracoderms.

• HaikouichthysCompared with: Pikaia offers a prominent Cambrian chordate comparison outside China.

• Vertebrate evolutionCompared with: It helps distinguish early chordate relatives from animals classified as vertebrates.

• Early vertebrateCompared with: It helps distinguish early vertebrate evidence from older or more primitive chordate anatomy.

• Evolution of molluscsCompared with: It represents a different animal lineage flourishing alongside early molluscan diversification.