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The 56 pages that link to Devonian, each with the reason it gives.

• Ray-finned fishRelated: Ray-finned fishes appear in the fossil record during this early phase of their history.

• TetrapodRelated: The earliest known tetrapod diversification took place during this period.

• PaleozoicBroader topic: The Devonian records major developments in forests and vertebrate life.

• Vascular plantRelated: Vascular plants diversified and developed forests during this period.

• ActinopterygiiRelated: Early ray-finned fishes are known from Devonian rocks.

• TiktaalikNarrower topic: Tiktaalik lived during the Late Devonian, amid major vertebrate diversification.

• Seed plantRelated: The earliest known seed plants appeared during the late Devonian.

• SilurianRelated: Its beginning marks the close of the Silurian.

• OsteichthyesRelated: Osteichthyan lineages diversified extensively during this period.

• AmmoniteRelated: The earliest ammonoids appeared during the Devonian.

• CoelacanthNarrower topic: The earliest known coelacanth fossils date to the Devonian.

• Rhynie chertNarrower topic: The deposit belongs to this period’s record of expanding terrestrial ecosystems.

• SarcopterygiiRelated: Many key sarcopterygian fossils and the earliest tetrapods come from this period.

• Lobe-finned fishNarrower topic: Many early lobe-finned fossils come from this period.

• LungfishNarrower topic: Lungfish fossils extend back to this fish-rich period.

• OstracodermRelated: Many ostracoderm groups flourished before or during the rise of jawed fishes.

• AcanthostegaNarrower topic: Acanthostega’s emergence belongs to the Devonian transition toward vertebrate life on land.

• CooksoniaRelated: Cooksonia fossils also occur in Devonian strata.

• Bony fishRelated: Bony fishes diversified extensively during this period, sometimes called the Age of Fishes.

• PanderichthysNarrower topic: Panderichthys lived during this period of major vertebrate evolution.

• Vertebrate evolutionBroader topic: Its fossils capture dramatic diversification among fishes and the emergence of land vertebrates.

• EurypteridRelated: Eurypterids continued into the Devonian as aquatic ecosystems and vertebrates changed.

• EusthenopteronNarrower topic: Eusthenopteron lived during the Late Devonian, amid diverse aquatic vertebrate ecosystems.

• Late DevonianNarrower topic: The Late Devonian is the final epoch within this period.

• PlacodermBroader topic: Placoderms reached their greatest diversity during the Devonian.

• Evolution of tetrapodsNarrower topic: The fish–tetrapod transition unfolded during this period.

• GnathostomataRelated: Jawed fishes diversified extensively during this period, earning it the name Age of Fishes.

• LaurussiaNarrower topic: Laurussia formed a large setting for Devonian environments and ecosystems.

• PteraspidomorphiRelated: Many familiar pteraspidomorph fossils come from Devonian deposits.

• EuphyllophyteNarrower topic: Many foundational euphyllophyte traits and lineages arose during this period.

• AcanthodiiRelated: Acanthodians diversified during the period often called the Age of Fishes.

• AmmonoideaBroader topic: The earliest ammonoids appeared during this period, around 400 million years ago.

• ArchaeopterisNarrower topic: Archaeopteris forests became a defining feature of Devonian terrestrial ecosystems.

• CephalaspisNarrower topic: Cephalaspis lived during this period of major diversification among fishes.

• JaekelopterusRelated: Jaekelopterus lived during this period, when its aquatic habitats and ecosystems took shape.

• ThelodontiRelated: Thelodont fossils extend into the Devonian, when jawed fishes also diversified.

• TrigonotarbidaRelated: Trigonotarbids are known from deposits spanning this period.

• ZosterophyllRelated: Zosterophyll diversity and fossils are especially prominent in Devonian deposits.

• BothriolepisNarrower topic: Bothriolepis lived during this period of major diversification among fishes.

• Evolution of fishRelated: Its aquatic ecosystems hosted an unusually rich expansion of fish forms.

• GaleaspidaNarrower topic: Galeaspids persisted into this period of expanding vertebrate diversity.

• LycopodiaceaeRelated: Lycophytes diversified early in the history of vascular plants, with major lineages present by the Devonian.

• PolysporangiophyteNarrower topic: Their fossil diversity expands as land vegetation develops through this period.

• ProgymnospermNarrower topic: Many of the best-known progymnosperms lived during this period.

• PteraspisRelated: Pteraspis fossils date from this period of major fish diversification.

• PteridophyteRelated: The Devonian fossil record documents major early diversification of vascular plants.

• AnaspidaRelated: Anaspid fossils also occur in Devonian deposits.

• Evolution of fungiRelated: Its ecosystems preserve clues to early fungal roles on land.

• Evolutionary history of plantsBroader topic: Vascular plants diversified and forests first developed during this period.

• HybodontiformesBroader topic: Hybodontiform origins are traced to the Devonian, when early shark lineages diversified.