Architectonica (Episcynia) Mörch, 1875 accepted as Episcynia Mörch, 1875 (original description)
Architectonica (Philippia) krebsii Mörch, 1875 accepted as Psilaxis krebsii (Mörch, 1875) (original description)
Architectonica wroblewskyi Mörch, 1875 accepted as Architectonica nobilis Röding, 1798 (original description)
Bulla speciosa A. Adams, 1850 accepted as Atys caribaeus (A. d'Orbigny, 1841) (source of synonymy)
Careliopsis Mörch, 1875 (original description)
Chemnitzia (Elusa) erythrosclera Mörch, 1875 accepted as Turbonilla erythrosclera (Mörch, 1875) (original description)
Chemnitzia (Elusa) krebsii Mörch, 1875 accepted as Turbonilla krebsii (Mörch, 1875) (original description)
Chemnitzia riisei Mörch, 1875 accepted as Turbonilla riisei (Mörch, 1875) (original description)
Janthoscala Mörch, 1875 accepted as Epitonium Röding, 1798 (original description)
Monoptygma (Careliopsis) Mörch, 1875 accepted as Careliopsis Mörch, 1875 (original description)
Monoptygma clathratula Mörch, 1875 accepted as Careliopsis clathratula (Mörch, 1875) (original description)
Obeliscus (Longchaeus) Mörch, 1875 accepted as Longchaeus Mörch, 1875 (original description)
Obeliscus (Triptychus) Mörch, 1875 accepted as Triptychus Mörch, 1875 (original description)
Obeliscus (Triptychus) niveus Mörch, 1875 accepted as Triptychus niveus (Mörch, 1875) (original description)
Obeliscus dolobratus var. subdolabrata Mörch, 1875 accepted as Pyramidella subdolabrata (Mörch, 1875) (original description)
Obeliscus floridanus Mörch, 1875 accepted as Longchaeus suturalis (H. C. Lea, 1846) (original description)
Operculatum bermudense Mörch, 1875 accepted as Umbraculum umbraculum ([Lightfoot], 1786) (original description)
Scala aeospila Mörch, 1875 accepted as Epitonium novangliae (Couthouy, 1838) (redescription)
Scala erectispina Mörch, 1875 accepted as Epitonium venosum (G. B. Sowerby II, 1844) (redescription)
Scala filaris (Mörch, 1875) accepted as Gyroscala lamellosa (Lamarck, 1822) accepted as Gyroscala commutata (Monterosato, 1877) (redescription)
Scala gradatella Mörch, 1875 accepted as Epitonium albidum (A. d'Orbigny, 1842) (redescription)
Scala krebsii Mörch, 1875 accepted as Epitonium krebsii (Mörch, 1875) (redescription)
Scala micromphala Mörch, 1875 accepted as Epitonium occidentale (Nyst, 1873) (redescription)
Scala nautlae Mörch, 1875 accepted as Depressiscala nautlae (Mörch, 1875) accepted as Epitonium nautlae (Mörch, 1875) (redescription)
Scala novemcostata Mörch, 1875 accepted as Epitonium foliaceicosta (A. d'Orbigny, 1842) (redescription)
Scala octocostata Mörch, 1875 accepted as Epitonium denticulatum (G. B. Sowerby II, 1844) (redescription)
Scala pretiosula Mörch, 1875 accepted as Epitonium foliaceicosta (A. d'Orbigny, 1842) (redescription)
Scala quindecimcostata Mörch, 1875 accepted as Epitonium albidum (A. d'Orbigny, 1842) (redescription)
Scala scaeva Mörch, 1875 accepted as Opalia hotessieriana (A. d'Orbigny, 1842) (redescription)
Scala soluta Mörch, 1875 accepted as Cycloscala echinaticosta (A. d'Orbigny, 1842) (redescription)
Scala spinarosae Mörch, 1875 accepted as Epitonium foliaceicosta (A. d'Orbigny, 1842) (original description)
Scala spuria Mörch, 1875 accepted as Epitonium foliaceicosta (A. d'Orbigny, 1842) (redescription)
Scala subvaricosa Mörch, 1875 accepted as Opalia pumilio (Mörch, 1875) (redescription)
Scala swiftii Mörch, 1875 accepted as Epitonium krebsii (Mörch, 1875) (redescription)
Scala turritellula Mörch, 1875 accepted as Epitonium turritellula (Mörch, 1875) (redescription)
Scala turritellula var. riisei Mörch, 1875 accepted as Epitonium turritellula (Mörch, 1875) (redescription)
Scala undecimcostata Mörch, 1875 accepted as Epitonium albidum (A. d'Orbigny, 1842) (redescription)
Scala volubilis Mörch, 1875 accepted as Cycloscala echinaticosta (A. d'Orbigny, 1842) (redescription)
Scalaria filaris Mörch, 1875 accepted as Gyroscala commutata (Monterosato, 1877) (original description)
Spiroclimax Mörch, 1875 accepted as Oceanida de Folin, 1870 (original description)
Spiroclimax scalaris Mörch, 1875 accepted as Oceanida graduata de Folin, 1871 (original description)
Stylifer subangulatus abbreviata Mörch, 1875 accepted as Scalenostoma subulatum (Broderip, 1832) (original description)
Torinia riisei Mörch, 1875 (original description)
Triptychus Mörch, 1875 (original description)
Volvula persimilis Mörch, 1875 accepted as Volvulella persimilis (Mörch, 1875) (original description)

Antilles Sea for Volvula persimilis Mörch, 1875 
Magellanic region for Microlophus poirieri Mabille & Rochebrune, 1889 
Saint Martin for Obeliscus (Triptychus) niveus Mörch, 1875 
Virgin Islands for Chemnitzia (Elusa) erythrosclera Mörch, 1875 
Virgin Islands for Obeliscus (Triptychus) niveus Mörch, 1875