TY  - CHAP
A1  - Smith, A. B.
JO  - The Echinoid Directory. World Wide Web electronic publication
TI  - Key to genera of Diadematidae
UR  - http://www.nhm.ac.uk/research-curation/research/projects/echinoid-directory/taxa/key.jsp?id=357
PY  - 2013
Y2  - 2026-06-07
ER  -