Torrecoptis holguinensis (C.G. Aguayo, 1934)
Bactrocoptis hollandi (C.B. Adams, 1850)
Callocoptis hubbardi C. de la Torre & P. Bartsch,1972
Coelocentrum huertai P. Bartsch, 1947
Pycnoptychia humboldtii (L. Pfeiffer, 1840)
Simplicervix humilis (C.B. Adams, 1850)
Urocoptis hunbardi C. de la Torre
Bactrocoptis hydrophana (E. Chitty, 1853)
Holospira hyperia P. Bartsch, 1926
Cochlodinella illamellata (B.H. Wrightin L. Pfeiffer, 1864)
Holospira imbricata E.C. Von Martens, 1863
Bialasmus imparata (R. Arango, 1882)
Gongylostomella inaudita C. de la Torre & P. Bartsch,1972
Poecilocoptis incerta (R. Arango, 1881)
Macroceramus inermis J. Gundlach in L. Pfeiffer,1858
Holospira infanta P. Bartsch, 1906
Tetrentodon inflata C. de la Torre & P. Bartsch,1972
Liocallonia infortunata (R. Arango, 1882)
Liocallonia infortunata parva C. de la Torre & P. Bartsch,1972
Microceramus infradenticulatus (B.H. Wrightin L. Pfeiffer, 1864)
Urocoptis innata (C.D. Weinland)
Simplicervix inornata (C.B. Adams, 1849)
Oligostylus insigne (J.C.H. Crosse& P.H. Fischer, 1872)
Urocoptis instabilis H. Vendryes, 1901
Tetrentodon insuflata C. de la Torre & P. Bartsch,1972
Pfeiffericoptis insulana C. de la Torre & P. Bartsch,1972
Spartocentrum insulare G.D. Hanna, 1923
Organocoptis integra (L. Pfeiffer, 1856)
Centralia intermedia (C. de la Torre, 1911)
Macroceramus interrogationis C. de la Torre & P. Bartsch,1972
Idiostemma interrupta (J. Gundlachin L. Pfeiffer, 1857)
Centralia intuscoarctata (C. de la Torre, 1911)
Planostemma intusfalcata (C. de la Torre& H.F. Ramsden, 1909)
Pleurostemma intusmalleata (J. Gundlachin L. Pfeiffer, 1855)
Spirostemma inusitatum H. Vendryes, 1901