This trilobite has robust eye stalks, proportionately longer than those for Asaphus punctatus. These Asaphus trilobites are fairly common and inexpensive, so don't usually get the extreme care in preparation that the $1000+ trilobites get. Despite this, the right eye has surprisingly good preservation, with many of the lenses of the holochroal eyes visible.
In addition to viewing the images on this page, you have the option to download the detailed (and large) image files, or to display the detailed files in your browser. (Refer to the buttons below each image.)