Lyrarapax is a radiodont genus of the family Amplectobeluidae that lived in the early Cambrian period 520 million years ago. Its neural tissue indicates that the radiodont frontal appendage is protocerebral, resolving parts of the arthropod head problem and showing that the frontal appendage is homologous to the antennae of Onychophorans and labrum of euarthropods. Its fossilized remains were found in Yunnan in southwestern China. A second species was described in 2016, differing principally in the morphology of its frontal appendages.
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| - Lyrarapax (es)
- Lyrarapax (en)
- ライララパクス (ja)
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| - Lyrarapax es un género de radiodontos amplectobelúidos que vivieron durante el periodo Cámbrico, hace unos 500 millones de años. Tiene grandes espinas dentadas en sus apéndices frontales. Se conocen dos especies, Lyrarapax unguispinus y , cuyos fósiles fueron hallados en la esquistos de Maotianshan, en China. (es)
- Lyrarapax is a radiodont genus of the family Amplectobeluidae that lived in the early Cambrian period 520 million years ago. Its neural tissue indicates that the radiodont frontal appendage is protocerebral, resolving parts of the arthropod head problem and showing that the frontal appendage is homologous to the antennae of Onychophorans and labrum of euarthropods. Its fossilized remains were found in Yunnan in southwestern China. A second species was described in 2016, differing principally in the morphology of its frontal appendages. (en)
- ライララパクス(Lyrarapax、またはライララパックス)は、 約5億年前のカンブリア紀に生息したラディオドンタ類の節足動物の一属。前部付属肢に鋸歯状の大きな棘をもつ、中国の澄江動物群で見つかった Lyrarapax unguispinus と Lyrarapax trilobus という2種が知られている。 (ja)
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| - Lyrarapax unguispinus (en)
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| - Lyrarapax es un género de radiodontos amplectobelúidos que vivieron durante el periodo Cámbrico, hace unos 500 millones de años. Tiene grandes espinas dentadas en sus apéndices frontales. Se conocen dos especies, Lyrarapax unguispinus y , cuyos fósiles fueron hallados en la esquistos de Maotianshan, en China. (es)
- Lyrarapax is a radiodont genus of the family Amplectobeluidae that lived in the early Cambrian period 520 million years ago. Its neural tissue indicates that the radiodont frontal appendage is protocerebral, resolving parts of the arthropod head problem and showing that the frontal appendage is homologous to the antennae of Onychophorans and labrum of euarthropods. Its fossilized remains were found in Yunnan in southwestern China. A second species was described in 2016, differing principally in the morphology of its frontal appendages. (en)
- ライララパクス(Lyrarapax、またはライララパックス)は、 約5億年前のカンブリア紀に生息したラディオドンタ類の節足動物の一属。前部付属肢に鋸歯状の大きな棘をもつ、中国の澄江動物群で見つかった Lyrarapax unguispinus と Lyrarapax trilobus という2種が知られている。 (ja)
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| - Comparison of the frontal appendages of the two species (en)
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