Even Dr. Frankenstein and his monster would be jealous of this creature.
Paleontologists have unearthed the fossil of an ancient crab that lived between 90 and 95 million years ago and is so “utterly bizarre” it literally perplexed the researchers.
Known as Callichimaera perplexa which means “perplexing beautiful chimera,” the crab had an assortment of body parts that would make Mr. Potato Head green with envy.
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“We started looking at these fossils and we found they had what looked like the eyes of a larva, the mouth of a shrimp, claws of a frog crab, and the carapace of a lobster, “said Javier Luque, lead author and postdoctoral paleontologist in the Department of Biological Sciences at the University of Alberta and at Yale University, in a statement.
Luque continued: “We have an idea of a typical crab looks like — and these new fossils break all those rules.” An artistic reconstruction of Callichimaera perplexa: the “strangest crab that has ever lived.”
; (Credit: Oksana Vernygora, UAlberta)”/>
An artistic reconstruction of Callichimaera perplexa: the “strictest crab that has ever lived. “(Credit: Oksana Vernygora, UAlberta)
In Greek mythology, chimera had the head of a lion, the body of a goat and the tail of a snake.
perplexes body type challenges the conventional view of what earlier crabs looked like. “Our phylogenetic analyzes, including representatives of all major lineages of fossil and extant crabs, challenge conventional views of their evolution at revealing multiple convergent losses of a typical” crab-like “body plan since the Early Cretaceous,” the study’s abstract reads. 19659003] The study was published in the journal Science Advances . “We don’t think they were filter feeders,” Luque customs Live Science. “We think they were actually active predators.”
C. perplexa was first discovered in 2005 in the Andes Mountains, along with other ancient crustaceans such as lobsters and shrimps. Since then, Luque and a team of researchers have analyzed the fossil (no bigger than a quarter) in great detail and suggested that it spent its life swimming, a strong contrast to modern-day crabs, who spend their lives crawling.
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“We found dozens of animals, from tiny baby specimens to mature individuals in which we found reproductive organs — a smoking gun that tested these were adult organisms and not larvae. We can even see individual facets on the large compound eyes of these creatures, ”Luque added in the statement. “It’s an incredible amount of detail, and we’ve been able to reconstruct them as they were living yesterday.” Callichimaera perplexa: the oldest swimming crab from the dinosaur era. (Credit: Daniel Ocampo R., Vencejo Films) “/>