Definition of Sipuncula in English:

Sipuncula

plural noun

Zoology
  • A small phylum that comprises the peanut worms.

    • ‘The phylum Sipuncula (acorn worms) has been considered allied to the molluscs on the basis of a pattern of cells in early spiral cleavage of the embryo, known as the molluscan cross.’
    • ‘Comparison of both the inferred amino acid sequences and the gene arrangements of a variety of diverse metazoan taxa reveals that the phylum Sipuncula is more closely related to Annelida than to Mollusca.’

Origin

Modern Latin (plural), from Sipunculus (genus name), based on a variant of Latin siphunculus small tube.

Pronunciation:

Sipuncula

/sīˈpəNGkyələ/