This sample came from a net collection off the lagoon side of Carrie Bow Cay. Trying to identify pennate diatoms from live or fix samples can often be a fruitless endeavor. Exact identification can only be made by clearing the cell of its contents. However, certain characteristics can lead to a general idea of what the species being observed is. With the help of drawings from various sources, an educated guess can be made. See Taxonomic References for listings.