SUI FOSSILI E sull'età, ECC. 49 



Gen. LeptacantJitis Agassiz. 



2. Leptacanthus Cornaliae Bell. 



Gen. Acrodus Agass. 



3. Acrodus bicar'matus Bell, n. sp. 



Gen. Mijhodus Agass. 



4. Hyhodus sp. ind. 



Gen. Leiacanthùs Agass. 



5. Leiacanthùs (Hyhodas) Finii Bass. n. sp. 



, Old. Qanoideì. 

 Subord. Lepidosteidae. 



Gen. Belonorhyìichiis Bronn. ' 



6. Belonorhynchus cfr. rohustus Bell. (sp. ined.). 



(ICHTHYORHYNCHUS CURIONI Bell.) 



7. Belonorhynchus Stoppami Bass. n. sp. 



8. Belonorhynchus intermediu's Bass. n. sp. 



9. Belonorhynchus striolatus Bronn? 



Gen. Pholidophorus Agass. 



10. Pholidophorus Baraa^ettii Bass. n. sp. 



11. Bholidophorus besanensis Bass. n, sp. 



12. Pholidophorus cfr. Bronni Kner. 



Gen. JPeltopleuvus Kner. 



13. Peltopleurus splendens Kner. 



Voi. XXIX. 4 



