Definition of Ischyrotoma. Meaning of Ischyrotoma. Synonyms of Ischyrotoma

- Dimeropygidae (including Celmidae) Celmus Dimeropyge Dimeropygiella Glaphurella Ischyrotoma Pseudohystricurus Family Holotrachelidae Holotrachelus Kinderlania Family...
- Dimeropygiella Eleutherocentrus Goniophrys Goniotelina Grinnellaspis Ischyrophyma Ischyrotoma Lutesvillia Oenonella Petigurus Rananasus Raymondaspis Telephina Ptychopariida...
- (=Irvingellina; =Komaspis) Irvingelloides Isabelinia Isalaux Isalauxina Isbergia Ischyrotoma Ishpella Isidreana Isidrella Isocolus (=Astyages) Isoprusia (=Mauraspis)...
- †Irvingella flohri – tentative report †Irvingella major †Ischyrotoma †Ischyrotoma juabensis †Ischyrotoma wahwahensis †Isorthis †Isoteloides †Isoteloides flexus...
- transversa †Isbergia †Ischyrophyma – tentative report †Ischyrotoma †Ischyrotoma juabensis †Ischyrotoma stubblefieldi †Isochilina †Isograptus †Isophragma –...
- planoconvexum †Ischadites planoconvexus †Ischyrodonta †Ischyrodonta unionoides †Ischyrotoma †Isochilina †Isochilina labrosa †Isograptus †Isorthis †Isorthis perelegans...
- †Inflatia pusilla †Inflatia succincta – type locality for species †Ischyrotoma †Ischyrotoma sila †Isoallagecrinus †Isoallagecrinus barnettensis – type locality...
- †Inyoschwagerina rotunda – type locality for species †Inyoschwagerina turgida †Ischyrotoma †Iskutella †Iskutella fergusoni – type locality for species †Isogramma...