This small trilobite is in highly retroflexed position, with the head pointing straight up, as is not uncommon with this species. The preparator took advantage of this pose to expose the hypostome.
Compare with Huginarges consanguinea from Oklahoma.
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.)