CATALOGUE 
OF 
FOSSIL FISHES. 
PART III. 
Order II. ACTINOPTERYGII ( continued). 
Suborder I. CHONDROSTEI ( continued ). 
Family CATO PTE H ID iE. 
^JU'Gr 7 '''S' ^ ^ -* 
J/ST. 
Trunk elongate or elongate-fusiform ; tail abbreviate-keterocercal. 
Head-bones well developed, ganoid; no median series of cranial 
roof-bones; teeth slender, conical; eye far forwards and snout 
prominent; mandibular suspensorium more or less obliquely directed 
backwards and downwards. A series of branchiostegal rays present. 
Dorsal fin single and not much extended. Scales rhombic, ganoid. 
Synopsis of Genera . 
Origin of dorsal fin behind that of the anal. Catopterus (p. I ). 
Origin of dorsal fin not behind that of the anal. Dictyopyye (p. 4). 
Genus CATOPTERUS, J. H. Eedfield. Arw 
[Ann. Lyceum Nat. Hist. New York, vol. iv. 1837, p. 39.] 
Trunk elegantly fusiform, and head relatively small. External 
bones more or less ornamented with ridges and tubercles of ganoine. 
Fins of moderate size, consisting of robust rays, more or less 
enamelled, and distaily bifurcating ; fulcra well developed. Dorsal 
PART III. R 
