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Fig. 15. One of the four most parsimonious c1adograms, selected as our working hypothesis for the phylogeny of the New World species
of Streptocepha[us. Twenty one characters were included in the analysis. The black spots indicate apomorphic states; see listing in methods
section.
8a. Finger with a small hump-like proximal tooth;
peduncle without spiniform protuberances on
inner side ................................ .
S. guzmani n. sp. (Fig. 5)
8b. Finger with a well developed proximal tooth;
peduncle with spiniform protuberances on inner
side ..................................... 9
9a. Finger with proximal tooth bigger than distal
tooth ................................... 10
9b. Finger with proximal tooth smaller than distal
tooth ................................... 11
IDa. Distal tooth of finger spatulate .............. .
S. potosinensis n. sp. (Fig. 12)
1 Db. Distal tooth of finger with an anterior cuspid
S. linderi Moore (Fig. 9)