(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 1. Left lateral views of representative elasmobranch jaw suspensions. (A)
Heterodontus, Heterodontiformes (hyostyly); (B)
Heptranchias, Hexanchiformes (amphistyly); (C) Rhinobatos,
Batoidea (euhyostyly). Articulation points are marked with arrows. C,
ceratohyal; E, ethmoidal; H, hyomandibula; L, lower jaw; O, orbital; P,
postorbital; U, upper jaw. Reproduced from Wilga
(2002) with permission from
Blackwell Publishing.