The Scotch bonnet is a medium-sized to large species of sea snail, a marine gastropod mollusk in the subfamily Cassinae, the helmet shells and bonnet shells. The common name "Scotch bonnet" alludes to
A varix is visible on the left in this ventral view of a slightly discolored shell of Semicassis granulata from North Carolina, United States.
The sea potato, Echinocardium cordatum, is the favored echinoid prey of S. granulata in the Mediterranean.
The blue crab sometimes feeds on the Scotch bonnet.
In biology, taxonomy is the scientific study of naming, defining and classifying groups of biological organisms based on shared characteristics. Modern approaches prioritize common ancestry and evolut
Description of rare animals (写生珍禽图), by Song dynasty painter Huang Quan (903–965)
Title page of Systema Naturae, Leiden, 1735
Evolution of the vertebrates at class level, width of spindles indicating number of families. Spindle diagrams are typical for evolutionary taxonomy.
The same relationship, expressed as a cladogram typical for cladistics