| 1 | Carapace with fragments of tergites. Holotype [N. Y. State Mus. Bul. 107, pl. 3, fig. 10]. Shows denticulated frontal margin, visual area of compound eyes and ocelli. × 3 |
| 2 | Denticulate margin and doublure of ventral side. × 3 |
| 3 | Carapace showing normal outline but with the frontal denticulations not retained. × 3 |
| 4 | Dorsal view of specimen with four legs and part of the abdomen. Paratype. Natural size |
| 5 | Counterpart of preceding showing the denticulate frontal margin and eyes. Paratype. Natural size |
| 6 | Restoration of this species. Natural size Horizon and locality. Shawangunk grit. Otis ville, Orange co., N. Y. |
The originals are in the State Museum
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