Opinions from G. A. Cooper and R. E. Grant 1969

  • 'Acosarina dorsisulcata belongs to Acosarina'
  • 'Acritosia magna belongs to Acritosia'
  • 'Alexenia parvispinosa is recombined as Thamnosia parvispinosa'
  • 'Amphipella arcaria belongs to Amphipella'
  • 'Anemonaria inflata belongs to Anemonaria'
  • 'Anomaloria anomala belongs to Anomaloria'
  • 'Camarophoria bisulcata is recombined as Bryorhynchus bisulcatum'
  • 'Chonetes hessensis is recombined as Rugaria hessensis'
  • 'Chonetinetes reversus belongs to Chonetinetes'
  • 'Collumatus solitarius belongs to Collumatus'
  • 'Cyclacantharia kingorum belongs to Cyclacantharia'
  • 'Dasysaria undulata belongs to Dasysaria'
  • 'Dictyoclostus welleri belongs to Dictyoclostus' according to King 1938
  • 'Divaricosta squarrosa belongs to Divaricosta'
  • 'Goniarina pyelodes belongs to Goniarina'
  • 'Hercosestria cribrosa belongs to Hercosestria'
  • 'Lepidospirifer angulatus belongs to Lepidospirifer'
  • 'Micraphelia scitula belongs to Micraphelia'
  • 'Oncosarina spinicostata belongs to Oncosarina'
  • 'Petasmaia expansa belongs to Petasmaia'
  • 'Petasmatherus opulus belongs to Petasmatherus'
  • 'Phrenophoria subcarinata belongs to Phrenophoria'
  • 'Plectelasma kingi belongs to Plectelasma'
  • 'Pontisia stehlii belongs to Pontisia'
  • 'Rhynchonella indentata is recombined as Strigirhynchia indentata'
  • 'Sarganostega transversalis belongs to Sarganostega'
  • 'Sestropoma cribriferum belongs to Sestropoma'
  • 'Spirifera pulchra is recombined as Xestotrema pulchrum'
  • 'Squamularia guadalupensis belongs to Squamularia' according to Shumard 1859
  • 'Squamularia subquadrata belongs to Squamularia' according to Girty 1909
  • 'Squamularia subquadrata is recombined as Astegosia subquadrata'
  • 'Tautosia fastigiata belongs to Tautosia'
  • 'Texasia oblongata belongs to Texasia'
  • 'Thamnosia anterospinosa belongs to Thamnosia'
  • 'Tropidelasma culmenatum belongs to Tropidelasma'
  • 'Undulella undulata belongs to Undulella'