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comparison of mouth of Cyphomyrus wilverthi (left) with that of C. psittacus (right)

Tue, 02/22/2011 - 13:26 — Sullivan, John P.
comparison of mouth of Cyphomyrus wilverthi (left) with that of C. psittacus (right)
Photographer: Sullivan, John P.Rights holder: Sullivan, John P.

Comparison of mouth of Cyphomyrus wilverthi (left) with that of C. psittacus (right).  Specimens from Wagenia (= Boyoma, Stanley) Falls, Kisangani, D.R. Congo.  Note larger relative size of mouth and medial notch in upper lip of C. wilverthi, absent in C. psittacus.