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Helcionella is a genus of helcionellid, a fossil marine invertebrate animal that is considered to be a mollusk and may possibly be a gastropod. The shells of these animals are about a centimetre in size. The tip of the shell extends beyond the rear extremity of the shell's aperture, and the shell is "endogastric" in shape. Helcionella is the type genus of the family Helcionellidae.

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  • Helcionella (en)
  • 太陽女神螺 (zh)
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  • Helcionella is a genus of helcionellid, a fossil marine invertebrate animal that is considered to be a mollusk and may possibly be a gastropod. The shells of these animals are about a centimetre in size. The tip of the shell extends beyond the rear extremity of the shell's aperture, and the shell is "endogastric" in shape. Helcionella is the type genus of the family Helcionellidae. (en)
  • 太陽女神螺(學名:Helcionella)是一屬已滅絕的軟體動物,擁有扁長、螺旋狀的外殼,大小約1釐米,被認為是最早演化出硬殼的軟體動物之一。牠們生存在寒武紀的深海中,從其類似呼吸管的構造可推測牠們也能在泥地或沙地中生活。其化石分布於北美、中國、澳大利亞、摩洛哥和西班牙等地。 (zh)
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authority
  • Grabau & Shimer, 1909 (en)
fossil range
  • Cambrian (en)
synonyms
  • Pseudotheca (Redlich 1899) (en)
taxon
  • Helcionella (en)
has abstract
  • Helcionella is a genus of helcionellid, a fossil marine invertebrate animal that is considered to be a mollusk and may possibly be a gastropod. The shells of these animals are about a centimetre in size. The tip of the shell extends beyond the rear extremity of the shell's aperture, and the shell is "endogastric" in shape. Helcionella is the type genus of the family Helcionellidae. (en)
  • 太陽女神螺(學名:Helcionella)是一屬已滅絕的軟體動物,擁有扁長、螺旋狀的外殼,大小約1釐米,被認為是最早演化出硬殼的軟體動物之一。牠們生存在寒武紀的深海中,從其類似呼吸管的構造可推測牠們也能在泥地或沙地中生活。其化石分布於北美、中國、澳大利亞、摩洛哥和西班牙等地。 (zh)
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