Book worm

This lug worm is actually a book-worm: pictured like this the species is only occuring in books.  For worms, a sinusoid posture is highly unusual. It is more likely to be seen in serpents.

Arenicola marina (B 311), watercolour, 20x20 cm (2011)

The above image is based on: Georges Cuvier / Le Règne Animal distribué d'apres son organisation, pour servir de base a l'histoire naturelle des animaux. Paris: Fortin, Masson et Cie, 1836-1849 ; div. Annelides, Pl 8