A recent discovery of direct fossil evidence reveals that prehistoric long-necked sea creatures were susceptible to decapitation by their predators. Scientists have long suspected that the long-necked bodies of certain dinosaurs and their marine counterparts during the time of dinosaurs made them vulnerable to attacks. This theory has now been proven with the analysis of fossils from a 240-million-year-old sea monster, which shows clear bite marks on the unique necks of two species of Tanystropheus. These marine reptiles, with their 13 elongated vertebrae, strut-like ribs, and stiffened necks, waited for their prey but were also targeted by predators who took advantage of their vulnerable necks.
Artistic rendition of the decapitation scene of ‘Tanystropheus hydroides’
(Roc Olivé)
The fossils also suggest that these long-necked creatures were not preyed upon for their heads and necks, but rather for more substantial parts of their bodies. The findings highlight the potential disadvantages of evolving a long neck as a sea reptile, showcasing the trade-offs in evolution.
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