PALJE0NISCIDJ3. 
429 
Trunk elongated ; anterior pectoral 
fin-rays articulated in distal 
third; dorsal and anal fins 
short-based; scales large, con¬ 
centrically striated . 
Trunk fusiform; anterior pectoral 
fin-rays articulated distally; 
dorsal and anal fins short-based ; 
scales large, obliquely striated. . 
Trunk elongated ; anterior pectoral 
fin - rays articulated distally ; 
anal fin much extended; scales 
small, smooth or feebly striated. 
Trunk elongated; dorsal and anal 
fins short-based; scales small, 
smooth or feebly striated .... 
[Imperfectly defined.] Fins large 
and somewhat extended; scales 
obliquely striated. 
iii. Dorsal fin in advance of anal; den¬ 
tition feeble. 
/ 
Fins small, fulcra absent; scales of 
flank rudimentary or absent . . 
Fins small, fulcra minute; scales 
well-developed, with oblique 
sculpturing .. 
Fins small, fulcra absent; scales very 
thin, with oblique sculpturing. . 
Trunk much elongated; scales nar¬ 
row and very thin. 
iv. Dorsal fin in advance of anal; 
laniary teeth well-developed. 
Fins large, with fulcra; pectoral fin- 
ravs all articulated ; scales large 
or of moderate size, slightly 
overlapping, obliquely sculp¬ 
tured . 
Fins large, with fulcra; pectoral fin- 
rays unarticulated (F) ; dorsal 
and anal fins short-based; scales 
large, thick, deeply overlapping, 
obliquely sculptured. 
Fins large, with fulcra; pectoral fin- 
rays unarticulated, except dis¬ 
tally ; anal fin much extended; 
operculum relatively narrow 
and deep ; scales large, thick, 
well overlapping, obliquely 
sculptured. 
Cycloptychius (p. 459). 
Rhadinichthys (p. 461). 
Pygopterus (p. 470). 
Trachelacanthus (p. 475). 
Urolepis (p. 475). 
Plicinerosteon (p. 476). 
Palceoniscus (p. 476). 
Apateolepis (p. 486). 
Actinophorus (p. 486). 
Elonichthys (p. 487). 
Acrolepis (p. 501). 
Gyrolepis (p. 510). 
