Character
Interantennal processDescription
None provided.States
| 1: Laterally compressed, extending onto dorsal part of facial shield |
 1.
Metopius (Peltocarus) co...
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| notes: Lateral compression is throughout the interantennal process. Unlike in state 2 however, the compression does not end behind the dorsal carinae of shield but continues forward over carina onto the face. (not to be confused with the median longitudinal carina of the shield), this forward projection is directly linked to the interantennal process, and not a separate carina. |
| coded examples: Metopius (Peltocarus) croceicornis, Metopius (Peltocarus) dentatus |
| 2: Laterally compressed not extending onto facial shield |
 1.
Metopius (Cultrarius) xa...
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| notes: (some Metopius (Metopius) & Metopius (Cultrarius)) Either with entire interantennal process laterally compressed or with compressed ridge dorsally on a more triangular base. |
| coded examples: Metopius (Cultrarius) birkmani, Metopius (Cultrarius) comptus, Metopius (Cultrarius) consector, Metopius (Cultrarius) pectoralis, Metopius (Cultrarius) rileyi (toggle remainder) |
| 3: Square to trapezoidal with raised flanges |
 1.
Metopius (Peltales) erra...
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| notes: anterior portion square to trapezoidal, concave, with raised marginal flanges |
| coded examples: Metopius (Peltales) notatus, Metopius (Peltales) errantius, Metopius (Peltales) amenus |
| 4: Triangular and flattened |
 1.
Metopius (Peltastes) pol...
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| notes: Anterior portion of interantennal process directly behind the dorsal carina of facial shield is flattened and triangular. |
| coded examples: Metopius (Ethimetopius) polyptichi, Metopius (Peltastes) bellus, Metopius (Peltastes) basalis, Metopius (Peltastes) edwardsii, Metopius (Peltastes) pollinctorius (toggle remainder) |
| 5: Triangluar with marginal flanges |
 1.
Metopius (Ceratopius) me...
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| notes: anterior portion broadly triangular, posterior portion concave, with raised marginal flanges |
| coded examples: Metopius (Ceratopius) fuscipennis, Metopius (Ceratopius) dissectorius, Metopius (Ceratopius) hakiensis, Metopius (Ceratopius) metallicus |
