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Guiyu was described by Chinese palaeontologist Zhu Min and others in 2009, based on a near-complete articulated specimen.The generic name Guiyu is a transliteration of the Mandarin 鬼魚 guǐyú "ghost fish" and the specific name oneiros is from Greek ὄνειρος "dream".
Guiyu oneiros, the earliest-known bony fish, lived during the Late Silurian, 419 million years ago). [1] It has the combination of both ray-finned and lobe-finned features, although analysis of the totality of its features places it closer to lobe-finned fish. [2] [3] [4]
Guiyu oneiros, the earliest known bony fish, lived during the Late Silurian, 425 million years ago. [1] It has a combination of both ray-finned and lobe-finned features. Bony fish are characterized by a relatively stable pattern of cranial bones, rooted, medial insertion of mandibular muscle in the lower jaw.
Guiyu may refer to: Guiyu oneiros (鬼鱼), extinct bony fish; Guiyu (town) (贵屿镇), town in Chaoyang District, Shantou, Guangdong, China
Guiyu oneiros: Guiyu oneiros, the earliest known bony fish. It has the combination of both ray-finned and lobe-finned features, although analysis of the totality of its features place it closer to lobe-finned fish. [31] [32] [33] Andreolepis
The fossil findings of primitive bony fishes such as Guiyu oneiros and Psarolepis, which lived contemporaneously with Entelognathus and had pelvic girdles more in common with placoderms than with other bony fish, show that it was a relative rather than a direct ancestor of the extant gnathostomes. [13]
In Greek mythology, dreams were sometimes personified as Oneiros (Ancient Greek: Ὄνειρος, lit. 'dream') or Oneiroi ( Ὄνειροι , 'dreams'). [ 1 ] In the Iliad of Homer , Zeus sends an Oneiros to appear to Agamemnon in a dream, while in Hesiod 's Theogony , the Oneiroi are the sons of Nyx (Night), and brothers of Hypnos (Sleep).
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