BRAcHIOPODA. 883 
Type, Macandrevia cranium, Miller (sp.). 
Distribution. Recent (Boreal, Lusitanian and Japanese 
Provinces.) 
Subgenus Zeilleria, Bayle. 1878. 
Shell with biplicate brachial valve, dental plates and long 
loop. 
REPL NASP 
wg 
Fie. 568. 
Fie. 570. 
Fias. 568-570. Zeilleria cornuta, Sowerby (sp.). (DAvIDSsON.) 
(Type, Zezlleria cornuta, Sowerby (sp.). Jurassic.) 
1884. 
Subgenus Fimbriothyris, Deslongchamps. 
Shells biconvex, elongate, smooth in early growth, developing 
marginal angular plications at maturity. 
Fras. 571, 572. Fimbriothyris Guerangeri, Deslongchamps (sp.). (QUENSTEDT.) 
(Type, Pimbriothyris Guerangert, Deslongchamps, Jurassic.) 
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