12 smithsonian miscellaneous collections vol. 52 



Family SEMIONOTID.E 



Genus LEPIDOTES Agassiz 



Lepidotes Agassiz, Neues Jahrbuch, 1832, p. 145 ; type, Lepidotes gigas 



Agassiz. 

 Lepidotus Agassiz, Poissons Fossiles, 11, pt. i, 1833, pp. 8, 233 (altered 



spelling). 

 Lepidosaurus von Meyer, Palseologica, 1832, p. 208; type, Lepidotus tin- 



guiculatus Agassiz. 

 Scrobodus VON MvNSTBit., Neues Jahrb., 1842, p. 38; type, Scrobodus subo- 



vatus. 

 Plesiodus Wagner, Abh. Bay. Akad. Wiss., ix, 1863, p. 632; typ&,Plesiodus 



pustulosus Wagner. 

 Prolepidotiis Michael, Zeitschr. Deutscb. Geol. Ges. xiv, 1893, p. 729; 



type, Prolepidotiis gallincki Michael. 



This large genus is distinguished among the Semionotidse by the 

 deeply fusiform body, the presence of grinding teeth on the inner 

 part of the jaws, and by the relatively low dorsal and anal fins. The 

 teeth have not been preserved in any specimen of the Brazilian 

 species. 



2. LEPIDOTES TEMNURUS Agassiz 



-ijj 



Fig. 6. — Lepidotes temnurus Agassiz. 

 Barra do Jardim, Serra do Araripe, Brazil. 



Lepidotus temnurus Agassiz, Edinburgb Phil. Journ., xxx, 1841, p. 83 ; 

 Serra do Araripe, Ceara. 



Agassiz, Comptes Rendus, xviii, 1844. p. loio; Ceara (misprinted 



lemnurus). 

 Woodward, Cat. Fossil Fishes, in, p. 123, 1895 ; Ceara. 

 ? Lepidotus >iuncsoni Woodward, Ann. Mag. Nat. Hist., vi, p. 135, 1888; 

 Cretaceous at Bahia, Brazil. 

 Woodward. Cat. Fossil Fishes, in, p. 120, 1859; Bahia, Platafornia. 

 Itacaranha, Pedra Furada, Brazil. 



Of this species we have one specimen within a concretion (No. 2, 

 Rocha Collection), preserved also in counterpart. It includes the 

 greater part of the body of the fish ; is somewhat distorted by being 



