PALZOZOIC. 
PISCES. 
DEVONIAN, 
OR OLD RED SANDSTONE. 
DEVONIAN, OR OLD RED SANDSTONE, 
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— TOStratus....-..0010s ANGE ccqonotedcadso0G00  [load|loce 
— scales of ..........05 WGC cescusesevaces # |ecsliece 
— truncatus .......4. Hux. § Salt. ...... Pap 
GLYPTODIPTERINI. 
ERIIZOUNUS <.coseesexseues Owen, 1840.........] 000] oee[oee] eee 
CEPHALASPID® (HETEROSTRACT). 
Scaphaspis............ Lankester, 1864... 
Pteraspis ...0..0. Kner, 1847. vscceas 
Cephalaspis ...... Agassiz, 1835 ...... 
— Lewisii .... 
— Lloydii 
— Ludensis .,,...... SGU s iSsawcsectervece * 
— TCCHUS ......s000¢ Weve LIQMIG! tet lect axon cates * 
— truncatus ......... JETER Stl capepallood 
CEPHALASPID®. 
Sclerodus! ............ Agassiz, 1839...... 
— pustuliferus ...... 2x HobeRpacoCOSEOAD 
CESTRACIONTID®. 
Ptychacanthus ...... Agassiz, 1837 ...... 
— dubius ............ AG racsccecscoscwnen nee «|. 
—— ESD yiecanerecves Ronee Ags cevcewes ieee eane *|- 
SAURODIPTERINI. 
Triplopterus ......... M ‘Coy, 1855 1.4... S0c| eee ocd kee 
Tripterus: ...:.00c.<<0 M ‘Coy, 1848 ...... 
Triplopterus ...... M ‘Coy, 1855 ...... 
— pollexfeni ......... SCO Yer sexs oucecne Spel lbod [eae [son 
CTENODIPTERINI. 
Tristichopterus .,. Eyerton, 1861...... 
——\GIAGUS,..cscnscaeesees EG Eresrescnecnecievers Pa |ESel eed! aac 
CEPHALASPID®. 
Zonaspis............... Lankester, 1869... 
Cephalaspis ...... purt Agassiz ...... 
— asterolepis ......... TEETIT)  choncepentes| nea (een colar 
—— Salwayi ...1...00000 JO cetnoobchenoes x |. 
.| Mono. Old Red Sandstone Fishes, Pal. Soc. vol. xxi, p. 20, t. 2, f. 5-8,12,13; t. 7, f. 2. 
é 
Cephalaspis, Poiss. Foss. vol. ii, p.148, t. 16, f.6, 7; ib. Sil. Syst. t. 2, f. 4,5. Pteraspis, 
Huxley, Q. J. Geol. Soc. vol. xvii, p. 163,166; ib, Lankester, Mono. Old Red Sandstone 
Fishes, Pal. Soc. vol. xxi, p. 32, t. 4, f.1-3,7,8; t.5, £.4; t.6, £.1-3,6,10; t. 7, f. 3, 
5s 912303, 10, 07,10. 
Q. J. Geol. Soc. vol. xx, p.195,197, t.12, f. I-10. 
Vide Scaphaspis. 
GANOIDEI (CROSSOPTERIGID2). 
Vide Holoptychius. \ 
GANOIDEI (OSTEOSTRACT). 
Poiss. Foss. vol. ii, p.149, t.16, f. 8; ib. Murch. Sil. Syst. t. 2, £.6. ? S. Lloydii, vide. 
Cephalaspis, Poiss, Foss. vol, ii, p.149, t. 16, f.8-10. Pteraspis, Kner, Haid. Nat. Abhandl. 
vol. i, p.159, t. 5, 1847. Cephalaspis, Murch, Sil. Syst. t. 2, f. 7-9. Pteraspis, Huxley, 
Q. J. Geol. Soc. vol. xvii, p. 163,166; vol. xiv, p. 267, 273. Cephalaspis, Lewisii, Poiss. 
Foss. vol. ii, p.149, t.16, f. 8; ib. Sil. Syst. t. 2, £. 6 
Pteraspis, Ann. Mag. Nat. Hist. 3 ser. vol. iv, p. 45, woodeut, f.1, 1859. Scaphaspis, Lank. 
Mono. Old Red Sandstone Fishes, Pal. Soc. vol. xxi, p. 25, t. 2, f. 4. 
Cephalaspis, Q. J. Geol. Soc. vol. xii, p.100, t. 2, f.1. Scaphaspis, Lank. Mono, Old Red 
Sandstone Fishes, Pal. Soc. vol. xxi, p. 24, t. 2, f. 1-3. 
GANOIDEI (OSTEOSTRACI). 
Vide Eukeraspis. 
PLACOIDEL (ELASMOBRANCHI!), 
Poiss. Foss. vol. iii, p.176; ib. Grés rouge, Dev. (O. R.S.), p. 118, t. 33, f. 22, 23. 
Sil, Syst. p. 597, t.1, £. 9, 10. 
GANOIDEL (CROSSOPTERIGID®). 
Vide Tripterus, 
Ann. Mag. Nat. Hist. 2 ser, vol. ii, 1848, p. 307; ib. Brit. Pal. Foss. p. 589, t. 2 D, f. 5. 
GANOIDEI (CROSSOPTERIGID®). 
Mem. Geol. Surv. Dec. X, p. 51, t. 4, 5- 
GANOIDEL (OSTEOSTRACT). 
Vide Z. Salwayi. 
Cephalaspis, Q. J. Geol. Soe. vol. xiii, p. 283, t.1o, f.1; ib. vol. xv, p. 503, 504. Ceph. 
asterolepis, Harley, ib. p. 503. Zenaspis, Lank. Mono, Old Red Sandstone Fishes, Pal. Soc. 
1869, p. 52, t.12, £.2,5,6; t.8, f. 2-4; woodcuts, p. 53, f. 26-28. OC. asterolepis, 
Harley, Trans. Woolhope Nat. Field Club, 1870, p. 240. (Photograph in Frontispiece.) 
176 
—— Bia et 
