72 
8EI.ACHII. 
Squaiina fraasi, J. Probst, Wiirtt. Jaliresh. vol. xxxv. (1879), 
p. 177, pi. iii. figs. 37, 38. — Molasse ; Baltringen. 
Squatina lobata, A. E. Reuss, Verstein. bohm. Kreideform. pt. ii. 
(1846), p. 101, pi. xxi. fig. 21 ; C. Giebel, oq>. eit. vol. i. 
pt. iii. p. 299. — Planermergel ; Priesen, Bohemia. 
? Squatina moelleri, V. Kiprijanoff, Bull. Soc. Imp. Nat. Moscou, 
1881, pt. ii. p. 14, pi. ii. figs. 1-3, 7-10. — Cretaceous ; 
Russia. 
Squatina muelleri, A. E. Reuss, op. eit. pt. ii. p. 100, pi. xxi. 
figs. 18-20 ; C. Giebel, op. cit. vol. i. pt. iii. p. 299 .— Pliiner- 
kalk; Weisskirchlitz, Borzen, and Kosstitz, Bohemia. 
Squatina prima, F. Noetling, Sitzungsb. Ges. naturf. Freunde 
Berlin, Jahrg. 1886, p. 16; Trigonodits pnrimus, T. C. 
Winkler, Archiv. Mus. Teyler, vol. iv. (1876), p. 14, with 
figs. — L. Eocene (Heersian) ; Orji-le-Grand, Belgium. 
Squatina sp. inc. : “ Oestradon (?),” E. Delfortric, Actes Soo. Linn. 
Bordeaux, vol. xxviii. (1871), p. 215, pi. x. fig. 21. — 
Pliocene ; Salles, Gironde, France. 
Detached vertebrae, from the Samland Eocene, have also been 
named Squatina, heyrichi by F. Noetling, Abh. geol. Specialk. 
Preussen u. Thiiring. Staaten, vol. vi. pt. 3 (1885), p. 45, pi. vii. 
figs. 2-7. 
Others are recorded and described by Hasse from the Pliinerkalk 
of Strehlen, near Dresden \ and the Upper Chalk of Aix Maas- 
tricht and Ciply ‘, besides from several European Tertiaries. 
Family PRISTIOPHORIDiE. 
Body scarcely depressed ; pectoral fins of moderate size, not ex- 
tending to the snout ; gill-openings lateral. Snout produced into a 
long flat lamina, armed with a series of teeth on each edge ; pre- 
palatine cartilages well developed. 
This family is as yet unrecognized in the fossil state, except by 
some detached vertebras of Pristiophorus from the Molasse of 
Baltringen, M lirtemherg, recorded by C. Hasse, ‘ Das natiirl. Syst. 
Elasm., Besond. Theil,’ p. 103, pi. xiii. figs. 6, 7. 
* Nat. Syst. Elasm., Besond. Theil, p. 134, pi. xriii. fig. 19. 
“ Morphol. Jahrb. vol. ii. p. 46(1, pi. xxx. fig. 7. 
» Morphol. Jahrb. vol. ii. p. 4C6. pi. xxx. fig. 5 ; Nat. Syst. Elasm., Besond. 
Theil, p. 134, pi. rviii. figs. 20-26. 
* Morphol. Jahrb. vol. ii. p. 467, pi. xxx. figs. 3, 10, 12, pi. xxxi. figs. 14, 15 ; 
Nat. Syst. Elasm., Besond. Theil, p. 132, pL xvii. figs. 13-15, 
