SCHISMATORHYNCHOS REVISION 
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Fig. 2 Photograph of a large (A. ZMA 115.911, 224 mm SI), medium (B. syntype, BMNH 1866.5.2.82, 143.3 mm SI), and small (C. MZB 5456, 68.8 
mm SI) specimens of S. heterorhynchos. 
midal, large, unicuspid (S. holorhynchos with coni 
date tubercles; S$. endecarhapis 
dorsal fin with eight branched fin-ray 
ple fin-rays very elongate in larger individuals (S$. endecarhapis with 
11 branched rays in dorsal fin); distinct, dark lateral band extending 
to distal tips of middle rays of caudal fin (lateral band of S. holo- 
al, multi-cuspi- 
simple, conical tubercles); 
falcate, anterior two princi- 
rhynchos and S. endecarhapis not extending onto caudal fin-rays). 
DESCRIPTION. Material in a 70-225 mm S] size range was avail- 
able for study. No material was available below 68 mm Sl] and the 
five largest specimens are not in good condition. They are old, 
poorly preserved, and flattened, limiting study of shape change in 

