Obruchevichthys

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Obruchevichthys gracilis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Subclass: "Labyrinthodontia
Order: Ichthyostegalia
Family: Elginerpetontidae
Genus: Obruchevichthys
Vorobyeva, 1977
Species: Obruchevichthys gracilis
Vorobyeva, 1977

Obruchevichthys is an extinct genus of tetrapod from Latvia during the Late Devonian. When the jawbone, the only known fossil of this creature, was uncovered in Latvia, it was mistaken as a lobe-fin fish. However, when it was analyzed, it proved to hold many similarities to Elginerpeton, from Scotland. It was then declared belonging to the earliest group of tetrapods.

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Further reading[edit]

  • Gaining Ground: The Origin and Early Evolution of Tetrapods by Jennifer A. Clack
  • Origins of the Higher Groups of Tetrapods: Controversy and Consensus by Hans-Peter Schultze and Linda Trueb
  • Air-Breathing Fishes: Evolution, Diversity, and Adaptation by Jeffrey B. Graham