Opinions from L. Agassiz 1837
- 'Acrodus nobilis belongs to Acrodus'
- 'Acrodus transversus belongs to Acrodus'
- 'Asteracanthus acutus belongs to Asteracanthus'
- 'Asteracanthus minor belongs to Asteracanthus'
- 'Asteracanthus ornatissimus belongs to Asteracanthus'
- 'Asteracanthus semisulcatus belongs to Asteracanthus'
- 'Chimaera agassizii belongs to Chimaera'
- 'Chimaera mantellii belongs to Chimaera'
- 'Ctenacanthus brevis belongs to Ctenacanthus'
- 'Ctenacanthus major belongs to Ctenacanthus'
- 'Ctenacanthus ornatus belongs to Ctenacanthus'
- 'Ctenacanthus tenuistriatus belongs to Ctenacanthus'
- 'Gyracanthus alnwicensis belongs to Gyracanthus'
- 'Gyracanthus formosus belongs to Gyracanthus'
- 'Gyracanthus tuberculatus belongs to Gyracanthus'
- 'Hybodus belongs to Hybodontes'
- 'Hybodus acutus belongs to Hybodus'
- 'Hybodus apicalis belongs to Hybodus'
- 'Hybodus carinatus belongs to Hybodus'
- 'Hybodus crassispinus belongs to Hybodus'
- 'Hybodus crassus belongs to Hybodus'
- 'Hybodus curtus belongs to Hybodus'
- 'Hybodus dimidiatus belongs to Hybodus'
- 'Hybodus dorsalis belongs to Hybodus'
- 'Hybodus ensatus belongs to Hybodus'
- 'Hybodus formosus belongs to Hybodus'
- 'Hybodus laeviusculus belongs to Hybodus'
- 'Hybodus leptodus belongs to Hybodus'
- 'Hybodus major belongs to Hybodus'
- 'Hybodus marginalis belongs to Hybodus'
- 'Hybodus minor belongs to Hybodus'
- 'Hybodus pleiodus belongs to Hybodus'
- 'Hybodus reticulatus belongs to Hybodus'
- 'Hybodus striatulus belongs to Hybodus'
- 'Hybodus strictus belongs to Hybodus'
- 'Hybodus subcarinatus belongs to Hybodus'
- 'Hybodus sulcatus belongs to Hybodus'
- 'Hybodus tenuis belongs to Hybodus'
- 'Leiacanthus falcatus belongs to Leiacanthus'
- 'Leptacanthus longissimus belongs to Leptacanthus'
- 'Leptacanthus semistriatus belongs to Leptacanthus'
- 'Leptacanthus serratus belongs to Leptacanthus'
- 'Leptacanthus tenuispinus belongs to Leptacanthus'
- 'Myriacanthus granulatus belongs to Myriacanthus'
- 'Myriacanthus paradoxus belongs to Myriacanthus'
- 'Myriacanthus retrorsus belongs to Myriacanthus'
- 'Nemacanthus filifer belongs to Nemacanthus'
- 'Nemacanthus monilifer belongs to Nemacanthus'
- 'Onchus belongs to Placoides'
- 'Onchus arcuatus belongs to Onchus'
- 'Onchus hamatus belongs to Onchus'
- 'Onchus murchisoni belongs to Onchus'
- 'Onchus semistriatus belongs to Onchus'
- 'Onchus sulcatus belongs to Onchus'
- 'Onchus tenuistriatus belongs to Onchus'
- 'Oracanthus milleri belongs to Oracanthus'
- 'Oracanthus minor belongs to Oracanthus'
- 'Oracanthus pustulosus belongs to Oracanthus'
- 'Pleuracanthus laevissimus belongs to Pleuracanthus'
- 'Pristacanthus securis belongs to Pristacanthus'
- 'Psammodus asper belongs to Psammodus'
- 'Psammodus contortus belongs to Psammodus'
- 'Psammodus laevissimus belongs to Psammodus'
- 'Psammodus longidens belongs to Psammodus'
- 'Psammodus porosus belongs to Psammodus'
- 'Ptychacanthus faujasii belongs to Ptychacanthus'
- 'Ptychacanthus sublaevis belongs to Ptychacanthus'
- 'Ptychodus arcuatus belongs to Ptychodus'
- 'Ptychodus articulatus belongs to Ptychodus'
- 'Ptychodus gibberulus belongs to Ptychodus'
- 'Ptychodus latissimus belongs to Ptychodus'
- 'Ptychodus spectabilis belongs to Ptychodus'
- 'Sphenacanthus serrulatus belongs to Sphenacanthus'
- 'Spinax major belongs to Spinax'
- 'Tristychius arcuatus belongs to Tristychius'