How To Write The Scientific Name For Cuttlefisjh . To which phylum they belong. The scientific name of the domestic housecat is feliscatus (note that because scientific names are in latin, the written forms are always italicized, and the first word should be capitalized). Colorful Cuttlefish and their Creative Camouflage No Bones from nmnh.typepad.com In north america, the gray wolf was nearly hunted to extinction. A scientific name in latin, such as panthera tigris, will always be italicized, and its first word will be capitalized. Start genus with capital letter while species name always with a small letter (mostly people forget about that ).