Sides of pronotum gently bilobed to weakly dentate as in C. caelatus but without strong rugosities. Similar to C. amplicollis but pronotum sides not straight and generally widest in posterior rather than in anterior, flange on fore-tibia less developed, and lackingt an obvious impression at vertex of frons.
| Legend | P.J.Lang collection vouchered records | |
| other private collection or museum specimens, or sightings |
| ¹ Legend | regions | SA State Herbarium regions (map) EA: Eastern, EP: Eyre Peninsula, FR: Flinders Ranges, GT: Gairdner-Torrens, KI: Kangaroo Island, LE: Lake Eyre, MU: Murray, NL: Northern Lofty, NU: Nullarbor, NW: North-Western, SE: South-Eastern, SL: Southern Lofty, YP: Yorke Peninsula |