Lariosaurus embryos

Recently, four additional nothosaurid embryos were found in the Monte San Giorgio area, at the Ca' del Frate site (Viggiù, Varese, Northern Italy), and from the Kalkschieferzone (Meridekalk, late Ladinian). These examples strongly reinforce the hypothesis that nothosaurs were viviparous, particularly since three of the four embryos are clustered together in close association, excluding the possibility that they derive from isolated eggs washed into the coastal basin prior to fossilization.




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