RAJIDiE. 
89 
Raja rugosa, J. Probst, tom. cit. p. 76, pi. i. figs. 5-9 (tooth).— 
Molasse; Baltringen. ^ c/e. /jfoj). 
Raja spiralis, Miinster, Beitr. Petrefakt. vii. p. 33, pi. ii. fig. 24. 
—Sandstone ; Jacobsberg, Minden. 
Raja strangulata , J. Probst, tom. cit. p. 77, pi. i. figs. 10-13 (tooth). 
—Molasse; Baltringen. — s/&) 
Raja suboxyrhynclius , B. Lawley, Nuovi Studi, etc. 1876, p. 43, 
pi. ii. figs, 2, 5 (teeth).—Pliocene; Orciano, Yolterra 
(Tuscany). 
Undetermined species of Raja are recorded by C. Hasse, op. cit., 
upon the evidence of detached vertebrae from the Upper Chalk of 
Maastricht (p. 167, pi. xxii. figs. 5-7), the Miocene Molasse of 
Baltringen (p. 167, pi. xxii. figs. 8, 9), and the Pliocene Crag of 
Antwerp (p. 170, pb xxii. figs. 16-20). 
Teeth of the existing Raja batis have been determined from the 
"Weybourn Crag of East Bunton, Norfolk, by E. T. Newton, Yert. 
Eorest-bed Series (Mem. Geol. Surv. 1882), p. 131, pi. xix. fig. 9. 
(j C(TLejUZ\^m- S'. I/'t/dr. ‘ & o-c . f8^jl, ji. ///)_ 
Genus DYNATOBATIS, Larrazet. 
[Bull. Soc. Geol. Erance [3], vol. xiv. 1886, p. 258.] 
Dermal tubercles with enormous base and very small spine. 
Three species are determined by Larrazet, two from the Tertiary 
of the Bio Parana, South America, the first of unknown formation 
and locality :— 
Dynatobatis gaudryi, Larr. loc. cit. p. 265, pi. xv. fig. 2. 
Dynatobatis pciranensis, Larr. loc. cit. p. 263, pi. xiv. figs. 1-4. 
Dynatobatis rectangular is, Larr. loc. cit. p. 264, pi. xv. fig. 1. 
Genus ACANTHOBATIS, Larrazet. 
[Bull. Soc. Geol. Erance [3], vol. xiv. 1886, p. 258.] 
High dermal tubercles, with small base, several fused together. 
The following species are recognized:— 
Acanthobatis eximici , Larrazet, loc. cit. p. 265, pi. xv. fig. 3, pi. xvi. 
fig. 1.—Molasse ; Gard, Erance. 
Acanthobatis tuberculosus, K. A. von Zittel, Sitzungsb. math.-phys. 
Cl. k. bay. Akad. Wiss. vol. xvi. 1886, p. 264; Handb. 
Palaeont. vol. iii. 1887, p. 105, fig. 121: Acipenser tuber¬ 
culosus, J. Probst, "Wiirtt. Jahresh. vol. 38 (1882), p. 127, 
pi. ii. figs. 6-9, 15.—Molasse; Baltringen, YUirtemberg, 
