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- Fuxianhuiida is an extinct clade of arthropods from the Cambrian of China. All currently known species are from Cambrian Series 2 aged deposits in Yunnan Province, including the Chengjiang biota. They are generally considered to be close to the base of Euarthropoda, but have also been considered to be early mandibulates. Many specimens are known with exceptional soft tissue preservation, including preserved guts and neural tissue, which given their basal phylogenetic position makes them important in understanding the evolution of arthropoda as a whole. They reach a size of up to 15 cm, and are interpreted as benthic predators and scavengers. The fuxianhuiid exoskeleton is unmineralised, and the number of tergites ranges from 15 to over 40. The cephalon is covered by a head shield and contains stalked eyes connected by the anterior sclerite, antennae, a butterfly shaped hyposome and a posterior facing mouth. Fuxianhuiids possess specialized post-antennal appendages with serrated edges used for food processing. The presence of gnathobases in members of Chengjiangocardidae suggests that they were capable of durophagy. In most fuxianhuiids, the thorax tergites narrow posteriorly, terminating in either a swimming paddle or paired flukes with a tailspine. In members of Fuxianhuiidae the thorax is divided into two sections, the anterior wide opisthothorax and the posterior narrow limbless tail-like abdomen. (en)
- フーシェンフイア類（Fuxianhuiid、学名：Fuxianhuiida）は、約5億年前のカンブリア紀に生息した化石節足動物の分類群（目）である。フーシェンフイアだけでなく、チェンジャンゴカリス、なども含まれる。触角の後ろにある頑丈な付属肢と、不揃いな背板と脚を特徴とする。 中国雲南省で化石が発見され、9種ほどが記載される。その分類学上の位置付けは議論的で、節足動物の初期系統や顎をもつ系統群との関係性が特に注目される。 (ja)
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- Guangweicaris_restoration.png (en)
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- Life restorations of Fuxianhuia , Alacaris, and Chengjiangocaris (en)
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- *
*Liangwangshania
*Shankouia
*Fuxianhuiidae
**Fuxianhuia
**Guangweicaris
**Xiaocaris
*Chengjiangocarididae
**Alacaris
**Chengjiangocaris (en)
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- フーシェンフイア類（Fuxianhuiid、学名：Fuxianhuiida）は、約5億年前のカンブリア紀に生息した化石節足動物の分類群（目）である。フーシェンフイアだけでなく、チェンジャンゴカリス、なども含まれる。触角の後ろにある頑丈な付属肢と、不揃いな背板と脚を特徴とする。 中国雲南省で化石が発見され、9種ほどが記載される。その分類学上の位置付けは議論的で、節足動物の初期系統や顎をもつ系統群との関係性が特に注目される。 (ja)
- Fuxianhuiida is an extinct clade of arthropods from the Cambrian of China. All currently known species are from Cambrian Series 2 aged deposits in Yunnan Province, including the Chengjiang biota. They are generally considered to be close to the base of Euarthropoda, but have also been considered to be early mandibulates. Many specimens are known with exceptional soft tissue preservation, including preserved guts and neural tissue, which given their basal phylogenetic position makes them important in understanding the evolution of arthropoda as a whole. They reach a size of up to 15 cm, and are interpreted as benthic predators and scavengers. The fuxianhuiid exoskeleton is unmineralised, and the number of tergites ranges from 15 to over 40. The cephalon is covered by a head shield and conta (en)
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- Fuxianhuiida (en)
- フキシャンフィア類 (ja)
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