Toxasteridae
- Phylum: Echinodermata
- Class: Echinoidea
- Order: Spatangoida
- Family: Toxasteridae
Overview
Toxasteridae Lambert, 1920
Common Name: Heart urchin
Extant/Extinct
Key morphological features: Test shape is slightly elongated with no primary spines.
SIZE:
Paleoecology:
MOBILITY: Mobile
FEEDING MODE: Detritivore
HABITAT: 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.
