Study uncovers hidden bone plates in iconic Australian lizards
A recent study reveals the presence of bone structures known as osteoderms in monitor lizards, shedding light on their evolutionary success. These bone plates, previously undocumented in many lizard species, may offer insights into the adaptation of Australian goannas to their environment. The findings open up new avenues for further research on these fascinating reptiles.
Monitor lizards, also known as goannas in Australia, are iconic reptiles that survived the mass extinction of non-avian dinosaurs. A recent study published in the Zoological Journal of the Linnean Society uncovers hidden bone structures in goannas, shedding light on their evolutionary success.
Osteoderms, bone plates embedded in the skin, play a crucial role in survival. While traditionally associated with defense, osteoderms may serve multiple functions such as heat regulation and movement.
Using advanced imaging techniques, researchers studied over 2,000 lizard and snake specimens, revealing that nearly half of all lizards possess osteoderms. Surprisingly, previously undocumented osteoderms were found in 29 Australo-Papuan goanna species, suggesting new avenues for evolutionary research.
Understanding the evolution of osteoderms in goannas could provide insights into their adaptation to Australia's environment over 20 million years ago. This discovery not only enriches our knowledge of goannas but also enhances our understanding of Australia's unique reptiles.
According to the source: theweek.in.
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