Amplectobelua

All Noun
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  • Info Amplectobelua is an extinct genus of late Early Cambrian anomalocaridid, a group of stem arthropods that lived as free-swimming predators during the first half of the Paleozoic Era. more...
  • Amplectobelua species, in contrast to Anomalocaris, were smaller and had a much wider body front with eyes placed lateral to the mouth.
  • Amplectobelua, also found at Chengjiang, was similar, smaller than Anomalocaris but considerably larger than most other Chengjiang animals.
  • Later that year, however, the discoverers of Lyrarapax unguispinus ignored that assessment and created a genus within Amplectobelua sensu Vinther et al.
  • Many scientists debate whether or not Parapeytoia was a true anomalocarid, or rather more closely related to Yohoia or Haikoucaris, because unlike anomalocarids such as Amplectobelua, it had legs.
  • Cetiocaridae is defined phylogenetically as all species more closely related to Tamisiocaris borealis than to Anomalocaris canadensis, Amplectobelua symbrachiata, or Hurdia victoria.
  • Two species are known, Amplectobelua symbrachiata from the Chengjiang biota and Amplectobelua stephenensis from the later Burgess Shale.
  • In 2014, Amplectobeluidae was defined as the most inclusive clade including Amplectobelua symbrachiata but not Anomalocaris canadensis, Tamisiocaris borealis, or Hurdia victoria.