Translingual

Proper noun

Polycystidea

1. (obsolete, zoology) A division of Gregarinia including those that have two or more internal divisions of the body.
2. (obsolete, zoology) A species of large brown algae, Cystophora polycystidea found in Spencer Gulf, South Australia.

Usage notes

• Taxonomic revisions and the adoption of standardized suffixes for naming biological entities appear to have rendered the name of this "division" obsolete. The intended organism appears to be a parasitic amoeba-like protozoan in the subclass Telosporea rather than the flatworm family Polycystidae.

References

• Polycystidea in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• Cystidea in The Century Dictionary, The Century Co., New York, 1911