Pentastomid Raillietiella teagueselfi in eggs from feces of Mediterranean gecko ()Hemidactylusturcicus). (A) phase contrast microsopy (B) Nomarski-interference contrast microscopy (B). Note hooks (arrows). The pentastomid was described as a new species in 1992 by McAllister, Riley, Freed, and Freed.

Microscopic organisms with corresponding letters

Photos by Steve J. Upton/Courtesy of Dr. Chris T. McAllister