Bullia digitalis proboscis into the prey to suck up soft tissues. Often gathers in large numbers to feed on dead and stranded jellyfish and bluebottles. Various plough shells on the southern African coast look similar, including "Bullia rhodostoma" on the south coast and "Bullia natalensis" (pleated plough shell) on the coast of KwaZulu-Natal. "B. digitalis" however does not have pleated whorls like the pleated plough shell. All the common plough shells on the coast can only de differentiated for each other by their colour. Bullia digitalis Bullia digitalis, the finger plough shell or plough snail, is a species of sea snail, a
New Drug Application Review should complete within 6 months. The decision comes in a "Complete Response Letter". Biologics, such as vaccines and many recombinant proteins used in medical treatments are generally approved by FDA via a Biologic License Application (BLA), rather than an NDA. The manufacture of biologics is considered to differ fundamentally from that of less complex chemicals, requiring a somewhat different approval process. Generic drugs that have already been approved via an NDA submitted by another maker are approved via an Abbreviated New Drug Application (ANDA), which does not require all of the clinical trials normally required for a new drug