Genus TEREBRA Bruguiere, 1789. 

 (A) M^flJt^^t- 



Subgenus StrioterehruTn Sacco, 1891. 



(1) ^$A\i^^^^kU'^ ■ Section Strioterebrum s. s 



(^^ 2^. dislocata Say)- 

 ('2) |i;£;jijl^ L < > tfMtitfi^-t^ b . Section Fusoterehra Sacco, 1891. 



(1t-^ r. henthalis Dall.) 

 (3) ^/Jij^i^L, llW^P^^j: !). Section PenV^oe Dall, 1908. 



(;j^^ T. ch^cumcincta Deshayes). 



(4) mmm(^nm\i^%mt^k^^- 



Section Triplostephanus Dall, 1908. 

 jfcPKO— §ni Myurella Hinds f^ b • 



(1^^ Tereh^a triseriata Gray). 



Subgenus Terehra Lamarck, 1799. 



Section Dlijurella Hinds, 1844. (|^;^ Tere/^ra m//Mros Lam.). 



Section Terehra s. s. ('I^^ ^- subulata (Linne) 



Section Subula (Schumacker, 1817) Gray, 1847. 

 (1^'^^ T'. dimidiata (Linne)) 



Section Ahretia H. and A. Adams, 1853. (|^-ji^ T. cerithina Lam.) 



(i^) iW^i.t^t-^:^'^- Section Oxymeris Dall, 1900. 



;^I,«;ji ^«<.s Gray, 1847 (1 Lt Acus Edwards, 1771 i:#-f^-. 



(^-^ Terehra mocidata Lam.) 

 (C) ^<|#^:XC- Subgenus Acuminia Dall, 1908. 



C 2 ] 



