WoRMS - World Register of... www.marinespecies.org

A. Schematic illustration... www.researchgate.net

Main types of articulations... www.researchgate.net

Comaster nobilis: (a)... www.researchgate.net

Oxymetra finschii: (a)... www.researchgate.net

Bases of rays of holotypes... www.researchgate.net

A–B, D–F. Proximal stalk... www.researchgate.net

An annotated checklist of... lkcnhm.nus.edu.sg

Colobometra perspinosa: (a)... www.researchgate.net

Amfimetra ensifera: (a)... www.researchgate.net

Proximal-stalk-and-base-of-... www.researchgate.net

A–B. Porphyrocrinus... www.researchgate.net

An annotated checklist of... lkcnhm.nus.edu.sg

A–B. Proisocrinus... www.researchgate.net

An annotated checklist of... lkcnhm.nus.edu.sg

Comanthus gisleni: (a)... www.researchgate.net

Porphyrocrinus verrucosus... www.researchgate.net

An annotated checklist of... lkcnhm.nus.edu.sg

Structural scheme of... www.researchgate.net

A. Guillecrinus... www.researchgate.net