Mouthparts of larval _Bufo occidentalis_ (UMMZ 94269) from Barranca Seca, Michoacán. [Please select]
0
Mouthparts of tadpoles of (A) _Hyla boulengeri_ (KU 104295) and (B) _Hyla elaeochroa_ (KU 104134), × 25. [Please select]
0
In tadpoles having fully developed mouthparts the tooth-row formula of 2/3 is invariable, but the coloration is highly variable. [Please select]
0
In tadpoles having fully developed mouthparts the tooth-row formula of 2/3 is invariable. [Please select]
0
Although minor differences exist in coloration, proportions, and mouthparts, no great modifications of the basic structure are present. [Please select]
0
_--Mouthparts complete; limb bud about half as long as thick; other structural features and coloration closely resemble those in stage 25. [Please select]
Do you have a better example in your mind? Please submit your sentence!