Holectypidae Lambert, 1900
Common Name: Sea urchin
Extant/Extinct
Key morphological features: Test is circular to globular in shape.
SIZE:
Paleoecology:
MOBILITY: Mobile
FEEDING MODE: Detritivore
HABITAT: Semi-infaunal
Sources:
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.