442 
SELACHTI. 
Carcharias ( Prionodon) pedemontanus : Corax pedemontanus , E. 
Sismonda, Mem. E. Accad. Sci. Torino, [2] vol. x. (1849), ^ 
p. 31, pi. i. figs. 19-24.—Upper Tertiary; Piedmont. 21 
P fP) CUpuhnr'ias (. Prionodon ) similis/? J. Probst, tom. cit. p. 125, pi. i.o 
figs. 12-19.—Molasse; Baltringen. /^^ r7C ^P- 8P- 
• " rX* C “ * ^_ ___ _ _ . _ 
v Carcharias ( Prionodon ) speciosus, J. Probst, tom. cit. p. 127, pi. i. jrJ 
figs. 20, 21.-Molasse; Baltringen. ^ 
Carcharias ( Prionodon ) subglaucus , E. Lawley, Nuovi Studi Pesci. 
etc. Colline Toscane (1876), p. 19.—Pliocene; Tuscany. 
Carcharias ( Prionodon ) sublamia , E. Lawley, op. cit. 1876, p. 20^/ 
—Pliocene ; Tuscany. 
Carcharias ( Prionodon ) tenuis , L. Agassiz, Poiss. Eoss. vol. iii. 
(1843), p. 242, pi. xxx^a. fig. 15; (?) E. Lawley, op. cit. 
1876, p. 21.—S cno n- i an ; Sentis, Canton St. Gall. Switzer¬ 
land. /si-s/'* 
j Carcharias ( Prionodon ) tumiclus , J. Probst, tom. cit. p. 134, pi. i. 
figs. 37-39.—Molasse ; Baltringen. 
(?) Carcharias ( Prionodon ) ungulatus, J. Probst, tom. cit. p. 131, 
pi. i. figs. 2 7-31 : Glyphis ungulata, G. von Munster, 
Beitr. Petrefakt. wii. (1846), p. 22, pi. ii. fig. 18.—Molasse ; 
Baltringen. Miocene ; Neudorfl, Vienna, 
v Carcharias ( Prionodon ) urcicinensis : Glyphis urcianensis , E. 
Lawley, Nuovi Studi Pesci, etc. Colline Toscane (1876), 
p. 20.—Pliocene; Tuscany. L 
■ fto- Ml GX M Z/Cah?. \r<rf. X*, Vf(< frf/&),ff- •'*'**** 'if^ 
o Teeth of an undetermined species, from the Miocene of Naples, 
• fiqiz) are a ^ so % ure( ^ fiy G. Gr. Costa, Paleont. Eegno Napoli, pt. ii. (1854- 
* • / 56), pl* vii. figs. 36, 37 ( Corax appendiculatus). Others, from the 
‘ Siwalik Formation of the Punjab, India, are described by E. Lydek- 
ker, Pal. Ind. [10] vol. iii. (1886), p. 242, pi. xxxv. figs. 12-15. 
Vertebrae of Prionodon, from the Bruxellian Beds of Belgium, 
are also described by C. Hasse, Natiirl. Syst. ElaSmobr., Besond. 
Theil (1882), p. 273, pi. xxxix. figs. 14-20. 
Uiif-Vt. 
The so-called Galeocerdo sismonclce , G. G. Gemmellaro (Atti Accad. 
Gioenia Sci. Nat. [2] vol. xiii. 1857, p. 294, pi. i. a. fig. 7 a), seems 
to be founded upon a tooth-fragment of Carcharodon ; but to this 
species has been referred a tooth of a true Prionodon from the 
Pliocene of Tuscany (E. Lawlcj^, Studi Comp. &c. 1881, p. 140, 
pi. i. ( Galeocerdo ), fig. 3, pi. ii. fig. 2). 
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