The small eyes are followed by comma-shaped spiracles with angular posterior rims.

The eyes are tiny and followed by much larger comma-shaped spiracles, which have rounded posterior rims.

The eyes are large and followed by the spiracles, which are comma-shaped with rounded or angular posterior rims.

The eyes are of modest size and followed by teardrop-shaped spiracles with rounded posterior rims.

The eyes are modestly sized and immediately followed by comma-shaped spiracles with angular posterior rims.

The small eyes are positioned just ahead of the spiracles, which have angular posterior rims.

The eyes are small and immediately followed by teardrop-shaped spiracles, which have rounded to angular posterior rims.

This species' carapace features a row of low vertebral spines, and is serrated on the posterior rim.

The eyes are rather large, and are followed by teardrop-shaped spiracles with rounded to angular posterior rims.