Pecten valoniensis Avicula contorta 
STRATA EXPOSED IN CONSTRUCTING FILTON-AVONMOUTH RAILWAY. 
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Sodbury. 9. Stoke Gifford. 10. Goldcliff. 11. Lavernock. 
The record of Avicula contorta at Sedbury is probably incomplete. 
The short transverse lines indicate the positions of maxima. 
