Scapulus: The thick-walled, modified, short, distal region of scapus. The scapulus is only present in anemones which can be externally divided into such regions (Carlgren, 1949; p. 10).

 

Image of a Scapulus: (species names are linked to the Hexacorallian database)

Species: Edwardsia pudica

Caption: 4. *Edwardsia rakaiyæ*, n. sp. The animal has burst owing to excessive contraction in spirit, and the inner wall of the introverted part of the scapus is exposed in the upper part of the figure.