Mamifer or Mammifer: How To spell?
The word Mamifer is misspelled against Mammifer, a noun meaning "A mammal. See Mammalia."
Mammifer has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings ma & ifer which should not be misspelled with single 'M'
Wrong Spelling:  ma-m-ifer  Correct Spelling:  ma-mm-ifer 
Find more wrongly spelled words of Mammifer to spell it well.