Spesies fosil axolotl baru diidentifikasi di Meksiko

Para peneliti telah mengidentifikasi spesies fosil axolotl baru di Meksiko, yang merupakan fosil salamander pertama yang dideskripsikan secara formal di negara tersebut.

Para peneliti di Zaragoza School of Advanced Studies di National Autonomous University of Mexico mengidentifikasi spesies tersebut di negara bagian Hidalgo. Spesies baru ini diberi nama Ambystoma quetzalcoatli. Temuan ini memberikan bukti bahwa axolotl telah menghuni Meksiko selama jutaan tahun. Ini menandai identifikasi formal pertama atas fosil salamander dari negara tersebut.

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Community researchers recording the first song of the Osteocephalus omega frog in the Huila rainforest, Colombia.
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Colombia records first song of Osteocephalus omega frog in Huila

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The first documented acoustic record of the song of the Osteocephalus omega frog was made in the municipality of Acevedo in Huila. The finding marks a scientific advance in the Andean Amazon Corridor thanks to community monitoring.

Scientists have identified a previously unknown genus and species of giant salamander from fossils found in Japan more than two decades ago. The creature, named Limnospondylus ajimuensis, lived about 3.5 million years ago and may have grown to 1.1 meters long.

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Newly examined fossils indicate that the earliest four-limbed vertebrates developed directly into adults without a larval phase featuring external gills.

Scientists have determined that structures once seen as traces of tiny animals in 540-million-year-old Brazilian rocks are actually fossilized communities of bacteria and algae. The reexamination uses advanced imaging to reveal preserved cells and organic material.

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A new study shows millipedes colonized land nearly 460 million years ago. The research completes the evolutionary tree for all living millipede orders. It was published in Current Biology in 2026.

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