Opinions from J. D. Loch 2007

  • 'Asaphidae belongs to Ptychopariida'
  • 'Bathyurellus belongs to Bathyurellinae'
  • 'Bathyurellus arbucklensis belongs to Bathyurellus'
  • 'Bathyurellus marginiatus is recombined as Punka marginiatus'
  • 'Bathyuridae belongs to Ptychopariida'
  • 'Bathyurinae belongs to Bathyuridae'
  • 'Benthamaspis onomeris belongs to Benthamaspis'
  • 'Benthamaspis rhochmotis belongs to Benthamaspis'
  • 'Bolbocephalus belongs to Bathyurinae'
  • 'Bolbocephalus myktos belongs to Bolbocephalus'
  • 'Bolbocephalus stevensi is recombined as Strigigenalis stevensi'
  • 'Bolbocephalus stitti belongs to Bolbocephalus'
  • 'Chapmania belongs to Bathyurellinae'
  • 'Chapmania carterensis belongs to Chapmania'
  • 'Chapmania taylori belongs to Chapmania'
  • 'Cullisonia belongs to Bathyurinae'
  • 'Gelasinocephalus belongs to Bathyurinae'
  • 'Gelasinocephalus pustulosus belongs to Gelasinocephalus'
  • 'Gelasinocephalus whittingtoni belongs to Gelasinocephalus'
  • 'Ischyrotoma sila belongs to Ischyrotoma'
  • 'Isotelinae belongs to Asaphidae'
  • 'Isoteloides belongs to Isotelinae'
  • 'Jeffersonia angustimarginata is a subjective synonym of Jeffersonia jenni'
  • 'Jeffersonia crassimarginata is recombined as Strigigenalis crassimarginata'
  • 'Jeffersonia granosa belongs to Jeffersonia' according to Cullison 1944
  • 'Jeffersonia mediacrista is recombined as Benthamaspis mediacrista'
  • 'Jeffersonia producta belongs to Jeffersonia' according to Cullison 1944
  • 'Jeffersonia producta is recombined as Cullisonia producta'
  • 'Jeffersonia ulrichi belongs to Jeffersonia'
  • 'Lutesvillia belongs to Bathyurellinae'
  • 'Peltabellia knighti is recombined as Strigigenalis knighti'
  • 'Petigurus cullisoni belongs to Petigurus'
  • 'Ptychopariida belongs to Trilobita'
  • 'Punka akoura belongs to Punka'
  • 'Punka flabelliformis belongs to Punka'
  • 'Punka verecunda belongs to Punka'
  • 'Rananasus is corrected as Ranasasus and belongs to Bathyurinae'
  • 'Ranasasus colossus belongs to Ranasasus'
  • 'Ranasasus conicus belongs to Ranasasus' according to Cullison 1944
  • 'Randaynia leatherburyi belongs to Randaynia'
  • 'Speyeris belongs to Bathyurinae'
  • 'Speyeris hami belongs to Speyeris'
  • 'Strigigenalis derbyi belongs to Strigigenalis'
  • 'Strigigenalis implexa belongs to Strigigenalis'
  • 'Strigigenalis implexa is recombined as Peltabellia implexa' according to Loch 2007
  • 'Strigigenalis insentis belongs to Strigigenalis'