New evidence from fossils reveal live birth occurred over 300 mya. This prompted a new look at fin structure to determine how internal fertilization could occur. Results show sex was occurring 360 mya. |
Sex dated to 360 MYAQuicklink Submitted By sometimes blinded 1 comment
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New evidence from fossils reveal live birth occurred over 300 mya. This prompted a new look at fin structure to determine how internal fertilization could occur. Results show sex was occurring 360 mya. |
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