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Specimens A and B: Sturgeon (Scaphirhynchus sp.) and Paddlefish

Detailed Description

Specimens A and B:  Sturgeon (Scaphirhynchus sp.) and Paddlefish (Polyodon spathula) free embryos showing diagnostic characteristics that allow biologists to differentiate between specimens from the two groups using research microscopes in the laboratory.

Sources/Usage

Public Domain.