Definition of Hesperorthis. Meaning of Hesperorthis. Synonyms of Hesperorthis

- Glyptorthis uncinata (mountain lake member) Hesperorthis crinerensis (mountain lake member) Hesperorthis sulcata (pooleville member) Lingulella galba...
- Anazyga sp. Zygospira sp. Rhynchotrema sp. Resserella sp. Dinorthis sp. Hesperorthis sp. Platystrophia sp. Plectorthis sp. Bivalves Cyrtodonta subangulata...
- represents earliest known Silurian species of this Ordovician genus. Hesperorthis Fox Point Member. An orthide. Isorthis (Ovalella) Fox Point Member. An...
- †Helicotoma planulata †Helicotoma umbilicata †Heliolites †Hesperorthis †Hesperorthis concava †Hesperorthis tricenaria †Heterocladus- Type locality for the genus...
- †Hesperocystis †Hesperocystis deckeri †Hesperorthis †Hesperorthis crinerensis †Hesperorthis rowlandi †Hesperorthis sulcata †Heterangium †Heteropecten †Heteropecten...
- expansa – type locality for species †Hemitrypa †Hemitrypa proutana †Hesperorthis †Hesperorthis tricenaria – or unidentified comparable form †Heterotrypa †Holdenia...
- studiosus. The generic name is preoccupied by Harkeria Cameron (1900). Hesperorthis orientalis Sp. nov Valid Rong et al. Silurian (Rhuddanian)  China A member...
- †Hemiphragma †Hemiphragma irrasum †Hemiphragma ottawaensis †Hesperorthis †Hesperorthis australis †Hesperorthis tricenaria †Heterorthis †Heterorthis clytie †Heterospongia...
- †Helopora spiniformis †Hemiphragmus †Hemiphragmus imperfectus †Hesperorthis †Hesperorthis tricenaria †Heterotrypa †Heterotrypa frondosa †Heterotrypa parvulipora...
- †Hemiphragma tenuimurale †Hesperidella †Hesperidella initialis †Hesperorthis †Hesperorthis tricenaria †Hindia †Hindia sphaeroidalis †Hiscobeccus †Hiscobeccus...