Science

Modeling study shows early tetrapods had surprisingly little ability to move their necks

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 14/10/2026, 15:10:25 UTC.

Briefings

A new model using sturgeon as a material analog estimates that early tetrapods had surprisingly limited neck mobility upon moving onto land. This finding directly contradicts a long-standing hypothesis suggesting anatomical changes during terrestrial transition improved neck movement. The study, led by a researcher at Uppsala University, was published in the journal Nature.

Key points

• Early tetrapods had surprisingly little ability to move their necks compared to their backbones, contradicting the hypothesis that anatomical changes improved mobility.
• The study used sturgeon as a material analog to estimate neck movement capabilities of early land-dwelling animals.

Context and limitations

The model relies on sturgeon data and has a snapshot limitation; results are preliminary and preprint status is noted.

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