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Why Early Vertebrates Had Four Eyes (And What It Means) Yes. Multiple exceptionally preserved Cambrian fossils indicate that early vertebrates had four eyes: two large lateral eyes and a second, smaller median pair on the top of the head. In these fossils, all four were camera-type organs with pigment and lenses, and the median pair corresponds to the ancestral pineal complex that later became non-visual in most lineages. The new evidence comes from myllokunmingid vertebrates about 518 million years old described in…

Turns out some early vertebrates rocked four eyes. What were those extra peepers for—and what do they reveal about our own biology? Dive into the fossils and weigh in: smart adaptation or evolutionary leftover? #Cambrian #myllokunmingids #parietaleye #pinealgland #vertebrateevolution

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ManyFishes: a big team science collaboration on fish comparative cognition - Animal Cognition Animal Cognition - Fishes are among the oldest and most diverse groups of vertebrates, encompassing a vast array of species that differ in morphology, ecology, and behavior. While such diversity...

doi.org/10.1007/s100...
#SPEetologia

#FishCognition #ComparativeCognition #BigTeamScience #ManyFishes #BehaviouralEcology #EvolutionaryBiology #OpenScience #VertebrateEvolution

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Spread some Halloween cheer by fighting for your favorite clade.

See Venmo or the link below

🐝🪱🐛🦋🐌🐞🐜🪰🪲🦂🐢🦖🐋🐊🦐🦑🐠🐫

paleo.memberclicks.net/Clades

#paleosociety #paleontology #invertebrates #vertebrateevolution #geology #geosciences

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Finnegan has taken the lead with the most votes, with mollusks close behind!

Vote today, the competition is tight!
🐝🪱🐛🦋🐌🐞🐜🪰🪲🦂🐢🦖🐋🐊🦐🦑🐠🐫

paleo.memberclicks.net/Clades
@Paleo-Society on Venmo

#paleosociety #paleontology #invertebrates #vertebrateevolution #geology #geosciences

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In a wild turn of events, mollusks and Seth Finnegan are tied for first place!

Don't forget to cast your vote! Look for the QR code on previous posts or the link below to vote today! 🐝🪱🐛🦋🐌🐞🐜🪰🪲🦂🐢🦖🐋🐊🦐🦑🐠🐫

paleo.memberclicks.net/Clades

#paleosociety #paleontology #invertebrates #vertebrateevolution

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Ancient Fish Jaws Drove Early Vertebrate Evolution

Ancient Fish Jaws Drove Early Vertebrate Evolution

Researchers studied 86 Silurian‑Devonian fish jaws, finding rapid diversification in lobe‑finned fishes—especially lungfishes—while ray‑finned fish changed more slowly. getnews.me/ancient-fish-jaws-drove-... #vertebrateevolution #fossiljaws #paleontology

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