fossils

Neopterygian fish with secondary sexual characteristics found from the Middle Triassic of China

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Vasika
Udurawane

Lead Writer
Secondary sexual characteristics are features that appear at sexual maturity and distinguish the two sexes of a species. Studies of secondary sexual characteristics in a species are vital for fully understanding its behavior, reproduction, and evolution.
Source: Phys.org
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http://sulc.us/g5a96
http://www.eartharchives.org/articles/neopterygian-fish-with-secondary-sexual-characteristics-found-from-the-middle-triassic-of-china/