Microstomus
Yucatán worm snake
Microstomus pacificus
Cottus microstomus
Psednos microstomus
Microstomus shuntovi
Hypostomus microstomus
Schizothorax microstomus
Microphysogobio microstomus
T. microstomus
Trachydoras microstomus
Lemon sole
Parateleopus
Slime flounder
Oligobrycon
Etropus microstomus
Muraenichthys gymnopterus
Greenland argentine
Rigidoporus lineatus
Acrossocheilus microstoma
Malapterurus microstoma
Common blanket octopus
Small-mouth salamander
Hard-palate catfish