Primeiros animais a fazer transição para terra ainda eram aquáticos e não tinham fase larval

These 300-million-year-old baby fossils just turned a major evolution theory upside down

Fossils of 300-million-year-old baby embolomeres from Mazon Creek show early tetrapods lacked the tadpole stage present in modern amphibians. The discovery upends the accepted narrative that metamorphosis enabled the water-to-land transition, suggesting instead life cycles resembled fish or humans.