Conulidae Lambert, 1911
Common Name: Sea urchin
Key morphological features: Test has reduced plates with low ridges.
MOBILITY: Mobile (burrow, crawl)
FEEDING MODE: Deposit Feeder, Herbivore
Fell, H. B. and Pawson, L. P., 1966. Systematic Descriptions, in R. C. Moore ed., Treatise on Invertebrate Paleontology, Part U, Echinodermata 3, Volume 2. The University of Kansas and Geological Society of America. 695 pp.