Opinions from P. Yu. Parkhaev 2001
- 'Aequiconus belongs to Stenothecidae'
- 'Aequiconus zigzac belongs to Aequiconus'
- 'Aldanellidae belongs to Pelagielliformes'
- 'Anabarella argus is a subjective synonym of Anabarella australis'
- 'Anabarella australis belongs to Anabarella'
- 'Anabarella drepanoida is recombined as Stenotheca drepanoida'
- 'Anchuispira is a subjective synonym of Anhuiconus'
- 'Anchuispira microtuberus is a subjective synonym of Anhuiconus microtuberus'
- 'Anuliconus campanula belongs to Anuliconus'
- 'Anuliconus magnificus belongs to Anuliconus'
- 'Anuliconus truncatus belongs to Anuliconus'
- 'Apistoconcha belongs to Tianzhushanellidae'
- 'Apistoconcha apheles belongs to Apistoconcha'
- 'Apistoconcha praesiphonalis belongs to Apistoconcha'
- 'Apistoconcha siphonalis belongs to Apistoconcha'
- 'Archaeobranchia belongs to Gastropoda'
- 'Ardrossania belongs to Khairkhaniidae'
- 'Ardrossania paveyi [misspelled as Ardrossania pavei] belongs to Ardrossania'
- 'Auriculaspira madianensis is recombined as Pelagiella madianensis'
- 'Auriculaspira is a subjective synonym of Pelagiella'
- 'Auriculaspira adunca is a subjective synonym of Pelagiella madianensis'
- 'Bemella ambita belongs to Bemella'
- 'Bemella anhuiensis is a subjective synonym of Mackinnonia rostrata'
- 'Bemella barskovae belongs to Bemella'
- 'Bemella bella belongs to Bemella'
- 'Bemella communis belongs to Bemella'
- 'Bemella flexa belongs to Bemella'
- 'Bemella incomparabilis belongs to Bemella'
- 'Bemella minuta is replaced by Bemella barskovae'
- 'Bemella multicarinata belongs to Bemella'
- 'Beshtashella belongs to Onychochilidae'
- 'Beshtashella tortilis belongs to Beshtashella'
- 'Calyptroconus belongs to Helcionellidae'
- 'Charaulachella is a subjective synonym of Bemella'
- 'Daedalia belongs to Helcionellidae'
- 'Daedalia daedala belongs to Daedalia'
- 'Dextrobranchia belongs to Gastropoda'
- 'Fenqiaronia belongs to Helcionellidae'
- 'Figurina capitata belongs to Figurina'
- 'Figurina figurina belongs to Figurina'
- 'Ginella orectus is recombined as Ilsanella orectus'
- 'Obtusoconus pygmaeus is a subjective synonym of Obtusoconus paucicostatus'
- 'Helcionella coreanica is recombined as Ilsanella coreanicum'
- 'Helcionella simplex is recombined as Ilsanella simplex'
- 'Helcionellacea is corrected as Helcionelloidea and belongs to Helcionelliformes'
- 'Helcionellidae belongs to Helcionelloidea'
- 'Helcionelliformes belongs to Archaeobranchia'
- 'Hematoconus is a subjective synonym of Obtusoconus'
- 'Heraultia is a subjective synonym of Watsonella'
- 'Heraultia varensalensis is a subjective synonym of Watsonella crosbyi'
- 'Heraultipegma is a subjective synonym of Watsonella'
- 'Humilispira belongs to Coreospiridae'
- 'Igarkiella carinata belongs to Igarkiella'
- 'Igorellina probosca is recombined as Fenqiaronia proboscis'
- 'Ilsanella applanata belongs to Ilsanella'
- 'Ilsanella yorkensis belongs to Ilsanella'
- 'Isitella plicata is recombined as Mackinnonia plicata'
- 'Isitiella gonamica is recombined as Anuliconus gonamica'
- 'Jellia is a subjective synonym of Pojetaia'
- 'Pojetaia ovata is a subjective synonym of Pojetaia runnegari'
- 'Lapworthella rostriptutea belongs to Lapworthella'
- 'Latouchella adelocosma is recombined as Humilispira adelocosma'
- 'Leptostega corrugata is a subjective synonym of Mackinnonia plicata'
- 'Mackinnonia davidi is a subjective synonym of Mackinnonia rostrata'
- 'Mackinnonia obliqua is a subjective synonym of Mackinnonia rostrata'
- 'Marocella belongs to Helcionellidae'
- 'Marocella australica belongs to Marocella'
- 'Mellopegma absida is a subjective synonym of Stenotheca drepanoida'
- 'Mellopegma nanum is recombined as Figurina nana'
- 'Mellopegma rostratum is recombined as Mackinnonia rostrata'
- 'Nomgoliella belongs to Aldanellidae'
- 'Nomgoliella australiensis belongs to Nomgoliella'
- 'Nuculiformes belongs to Nuculiformii'
- 'Nuculiformii belongs to Bivalvia'
- 'Obscurella is a subjective synonym of Xianfengella'
- 'Obtusoconus brevis belongs to Obtusoconus'
- 'Obtusoconus foliaceus is recombined as Anuliconus foliaceus'
- 'Onychochilidae belongs to Onychochiliformes'
- 'Onychochiliformes belongs to Umbraculiformii'
- 'Ophileta subangulata is recombined as Pelagiella subangulata'
- 'Oryzoconcha is a subjective synonym of Pojetaia'
- 'Oryzoconcha prisca is a subjective synonym of Pojetaia runnegari'
- 'Paraformichella is a subjective synonym of Beshtashella'
- 'Paraformichella orientalis is a subjective synonym of Beshtashella tortilis'
- 'Parailsanella lata belongs to Parailsanella'
- 'Parailsanella murenica belongs to Parailsanella'
- 'Pararaconus belongs to Helcionellidae'
- 'Pararaconus paradoxus belongs to Pararaconus'
- 'Pararaconus staitorum belongs to Pararaconus'
- 'Parmophorella is a subjective synonym of Ilsanella'
- 'Pelagiella belongs to Pelagiellidae'
- 'Pelagiella emeishanensis is a subjective synonym of Pelagiella subangulata'
- 'Pelagiellidae belongs to Pelagielliformes'
- 'Pelagielliformes belongs to Archaeobranchia'
- 'Planutenia is a subjective synonym of Anabarella'
- 'Pojetaia belongs to Radiidentoidei'
- 'Pojetaia runnegari belongs to Pojetaia'
- 'Radiidentoidei belongs to Nuculiformes'
- 'Repenoconus is a subjective synonym of Bemella'
- 'Repenoconus xinjiensis is recombined as Bemella xinjiensis'
- 'Rugaeconus is a subjective synonym of Xianfengella'
- 'Sacciconus is a subjective synonym of Bemella'
- 'Scenella morenensis is recombined as Marocella morenensis'
- 'Stenotheca belongs to Stenothecinae'
- 'Stenotheca pauper is recombined as Ilsanella paupera'
- 'Stenotheca taconica is recombined as Aequiconus taconica'
- 'Stenotheca tepee is recombined as Anuliconus tepee'
- 'Stenothecinae belongs to Stenothecidae'
- 'Tanuella ampla is recombined as Obtusoconus ampla'
- 'Tianzhushanellidae belongs to Tianzhushanelliformes'
- 'Tianzhushanelliformes belongs to Siphonoconcha'
- 'Trenella bifrons belongs to Trenella'
- 'Umbraculiformii belongs to Dextrobranchia'
- 'Watsonella crosbyi belongs to Watsonella'
- 'Xianfengella yatesi belongs to Xianfengella'
- 'Yangtzespiridae is a subjective synonym of Coreospiridae'
- 'Yorkiella horseguilliensis belongs to Yorkiella'
- 'Yorkiella horsegulliensis belongs to Yorkiella'