Key to Scientific Names in Ornithology
(Thamnophilidae; Ϯ Pearly Antshrike M. margaritatus) Gr. μεγας megas, μεγαλη megalē large, great; στικτος stiktos spotted < στιζω stizō to tattoo; "Megastictus gen. nov. (Formicariidæ.) Related to Pygiptila Sclater and Thamnistes Sclater and Salvin. Differing from the former in having the tail two-thirds as long as wing and much rounded or graduated (instead of much less than two-thirds as long and truncated); from the latter in relatively smaller bill (distance from nostril to tip of maxilla less than length of middle toe without claw) and very different coloration. Type.— Myrmeciza margaritata Sclater. (Mεγας, large; στικτος, marked, spotted.)" (Ridgway 1909).