International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS

taxa names:

Is

isabelita Jordan & Rutter 1898 [originally in Angelichthys], in Jordan & Evermann, Bulletin of the United States National Museum, 47(2): 1684 (a junior objective synonym of Holacanthus ciliaris bermudensis Goode 1876) (Osteichthyes). Opinion 2003  

Isaea Agassiz 1846, Nomenclatoris Zoologici Index Universalis, p. 196 (an unjustified emendation of Isea Guérin[-Méneville], 1832 and a junior homonym of Isaea H. Milne Edwards 1830) (Crustacea, Decapoda). Opinion 1522

Isaea H. Milne Edwards 1830, Annales des Sciences naturelles, Paris, 20: 380 (gender: feminine) (type species, by monotypy: Isaea montagui H. Milne Edwards 1830) (Amphipoda). Opinion 1522 

ISAEINAE Dana 1853, U.S. Exploring expedition ... 1838-42 ... under the command of C. Wilkes, vol. 13, p. 913 (type genus: Isaea H. Milne Edwards 1830) (Amphipoda). Opinion 1522  

Isarthron Dejean 1835, Catalogue des Coléoptères dans la collection de M. le Comte Dejean, Ed. 2, p. 329 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Insecta, Coleoptera). Opinion 1473  

iscariotes LaFerte-Senectere 1849 [originally in Anthicus] (Coleoptera). ICZN 2016: Opinion 2377

Ischiolepta Lioy 1864, Atti dell’Istituto Veneto di Scienze, Lettere ed Arti, (3)9(2): 1112 (gender: feminine) (type species, by monotypy: Borborus denticulatus Meigen 1830) (Insecta, Diptera). Opinion 1839 

Ischnopoda Stephens 1835, Ill. Brit. Entomol. (Mand.), 5: 430 (gender: feminine) (type species, by designation under the plenary power: Staphylinus leucopus Marsham [1802], Coleopt. Brit.: 506) (Insecta, Coleoptera). Opinion 600  

Ischnosoma Cuvier 1829, Le règne animal distribué d’après son organisation ..., Ed. 2, vol. 2, p. 328, and all uses of the name prior to the publication of Ischnosoma Stephens 1829 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Osteichthyes). Opinion 1726 

Ischnosoma Stephens 1829, The nomenclature of British insects ..., p. 22 (gender: neuter) (type species, by subsequent designation by Thomson 1859, Skandinaviens Coleoptera, synoptiskt bearbetade, vol. 1, p. 47: Tachinus splendidus Gravenhorst 1806), ruled under the plenary power not to be given priority over Mycetoporus Mannerheim 1831 whenever the two names are considered to be synonyms (Insecta, Coleoptera). Opinion 1726  

Ischnosomata Strand 1935, Folia Zoologica Hydrobiologica, 7(2): 293 (a junior objective synonym of Ischnosoma Stephens 1829) (Insecta, Coleoptera). Opinion 1726  

Ischnura Charpentier 1840, Libellulinae Europaeae descriptae ac depictae, p. 20 (gender: feminine) (type species, by subsequent designation by Selys-Longchamps 1850, Mémoires de la Société des Sciences de Liège, vol. 6, p. 182: Agrion elegans Van der Linden 1823) (Insecta, Odonata). Opinion 2037

ISCHNURIDAE Simon 1879, Les Arachnides de France. VII. Contenant les Ordres des Chernetes, Scorpiones et Opiliones, p. 92 (type genus: Ischnurus C.L. Koch 1837), ruled under the plenary power that this name is to be treated as junior to LIOCHELIDAE Fet & Bechly 2001 (1879) (Arachnida). Opinion 2037 

ISCHURINAE Fraser 1957, A reclassification of the order Odonata, p. 49 (type genus: Ischnura Charpentier 1840), ruled under the plenary power not to be treated as invalid by reason of being a junior homonym of ISCHNURIDAE Simon 1879 (Insecta, Odonata). Opinion 2037

Ischyrus Dejean 1836, Catalogue des coléoptères de la collection de M. le Comte Dejean, Ed. 2, Livr. 5, p. 428, and all uses of the name prior to the publication of Ischyrus Lacordaire 1842 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Coleoptera). Opinion 1824

Ischyrus Lacordaire 1842, Monographie des Erotyliens, famille de l’ordre des coléoptères, p. 89 (gender: masculine) (type species, by subsequent designation by Crotch 1873, Cistula Entomologica, 1: 144: Erotylus quadripunctatus Olivier 1792) (Insecta, Coleoptera). Opinion 1824 

Isea Guérin[-Méneville], 1832, Annales de la Société Entomologique de France, 1: 299 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Crustacea, Decapoda). Opinion 1522 

isenbeckii Brandt 1848 [originally in Platycorystes (Podacanthus)], Bull. Acad. imp. Sci. St. Pétersbourg, 7(12, 13): 180 (specific name of the type species of Erimacrus Benedict 1892) (Crustacea, Decapoda). Direction 36

isingleena Richardson 1846 [originally in Clupea], 15th Rept. Brit. Assoc. (Cambridge 1845): 304 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 901 

ismeria Boisduval & Le Conte 1835 [originally in Melitaea], Histoire générale et iconographie des lépidoptères et des chenilles de l’Amérique septentrionale, p. 168, pl. 46 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Insecta, Lepidoptera). Opinion 2160 

Isocardigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427

Isochaeta Giesbrecht 1889, Atti della Reale Accademia dei Lincei, (4)5(11), semestre 1: 812 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Copepoda). Opinion 1613

Isolabella Verhoeff 1902, Sitzungsberichte der Gesellschaft naturforschender Freunde zu Berlin, 1902: 15 (gender: feminine) (type species, by monotypy: Isolabella graeca Verhoeff 1902) (Insecta, Dermaptera). Opinion 2125 

ISOLABELLINAE Verhoeff 1902, Sitzungsberichte der Gesellschaft naturforschender Freunde zu Berlin, 1902: 15 (type genus: Isolabella Verhoeff 1902), ruled under the plenary power that it and other family-group names based on Isolabella are not to be given priority over LABIIDAE Burr 1909 and other family-group names based on Labia Leach 1815 whenever their type genera are placed in the same familygroup taxon (Insecta, Dermaptera). Opinion 2125

Isometra Clark 1908, Proceedings of the Biological Society of Washington, 21: 133 (gender: feminine) (type species, by original designation: Antedon challengeri Clark 1907) (Crinoidea). Opinion 2132 

ISOMETRAINAE Clark 1917, Journal of the Washington Academy of Sciences, 7(5): 6 (type genus: Isometra Clark 1908), spelling emended by the ruling under the plenary power that for the purposes of Article 29 of the Code the stem of the generic name Isometra Clark 1908 is ISOMETRA- (Crinoidea). Opinion 2132

ISOMETRINAE Clark 1917, Journal of the Washington Academy of Sciences, 7(5): 6, ruled under the plenary power to be an incorrect original spelling of ISOMETRAINAE (Crinoidea). Opinion 2132

ISOMETRINAE Kraepelin 1891, Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten, 8: 6 (type genus: Isometrus Ehrenberg in Hemprich & Ehrenberg 1828) (Scorpiones). Opinion 2132 

Isometrus Ehrenberg in Hemprich & Ehrenberg 1828, Zoologica II. Arachnoidea. Pl. I: Buthus; pl. II: Androctonus, in: Symbolae physicae seu icones et descriptiones animalium evertebratorum sepositis insectis quae ex itinere per Africam borealem et Asiam occidentalem, pl. 1, fig. 3 (gender: masculine) (type species, by monotypy: Buthus (Isometrus) filum Ehrenberg in Hemprich & Ehrenberg 1828, a junior synonym of Scorpio maculatus de Geer 1778) (Scorpiones). Opinion 2132 

isomorpha Sugonjaev 1964 [originally in Blastothrix (Metablastothrix)], Entomologicheskoe Obozrenie, 43(2): 371 (specific name of the type species of Metablastothrix Sugonjaev 1964) (Insecta, Hymenoptera). Opinion 1857

Isoplata Fӧrster 1856 (gender: feminine), available with type species by original designation Isoplata geniculata Fӧrster 1856 (Opinion 42)

Isospora ... Case 3187

Isotoma Bourlet 1839, Mém. Soc. r. Sci. Lille, 1839(1): 339 (gender: feminine) (type species, by designation by Börner 1903 (SitzBer. Ges. naturf. Freunde Berlin, 1903: 171): Isotoma viridis Bourlet 1839, Mém. Soc. r. Sci. Lille, 1839(1): 401) (Insecta, Collembola). Opinion 291

Isotoma Dejean 1834, Cat. Coléopt. (ed. 2): 214 (a nomen nudum). Opinion 291

Isotoma Dejean 1837, Cat. Coléopt. (ed. 3): 236 (a nomen nudum). Opinion 291

Isotomurus Börner 1903, SitzBer. Ges. naturf. Freunde Berlin, 1903: 171 (gender: masculine) (type species, by original designation: Podura palustris Müller 1776, Zool. dan. Prodr.: 184) (Insecta, Collembola). Opinion 291 

issaltschikovi Terentjev 1927 [originally in Rana arvalis altaica natio], Proc. 2nd. Congr. Zool. Anat. Histol. USSR, 1925: 71 (conserved under the plenary power) (Amphibia). Opinion 642

Istiophorus Lacepède 1802, Hist. Nat. Poiss., 3: 374 (gender: masculine) (type species, by designation under the plenary power: Xiphias platypterus Shaw & Nodder 1792, Naturalist’s Miscellany, 28: pl. 88) (Osteichthyes). Opinion 903 

istrianus Scopoli 1763 [originally in Cancer], Entomol. carn.: 409 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 701