2. Check the types of other related Coxicerberus species
3. Finally: correct the existing keys if necessary
4. Interstitial could easily mean: the knwon species-definitions are not adequate: species has wider morphological flexibility than it was supposed before.
Before you going to decide that it is new... you must measured each body part and compare with already existing species. If you think that your species does not fit in to existing key, you may add it include some more taxonomically relevant character.
Before you going to decide that it is new... you must measured each body part and compare with already existing species. If you think that your species does not fit in to existing key, you may add it include some more taxonomically relevant character.