词根词缀:ichthyo-, ichthy-, -ichth-
【来源及含义】Greek: fish
【同源单词】ichthic, ichthism, ichthus, ichthyarchy, ichthyoacanth, ichthyoacanthotoxin
词根词缀:-ida
【来源及含义】Latin: a suffix used to form names of zoological groups, classes, and orders
【同源单词】Anapsida, Arachnida, Araneida, Ichthyopsida, Ornithoscelida, Pseudoscorpionida