Mouthparts of only known specimen of C. sp. 5d
a. Pecten epipharyngis with uniform teeth.  b. Antenna and c. the other deformed antenna.
d. Mentum - note well separate c2 teeth, and 4th laterals hardly reduced.  e. Ventromentum
with smooth anterior margin and about 45 striae.  f. Mandible with 3rd inner tooth well
separated but only partly colored (type IIIB), and g. the irregular furrows near the base.

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