AUSICH, William. Treatise Online no. 145: Part T, Revised, Chapter 6: Glossary of patterns, abbreviations, and symbols used to designate crinoid morphology. Treatise Online, [S. l.], 2021. DOI: 10.17161/to.vi.15161. Disponível em: https://journals.ku.edu/treatiseonline/article/view/15161.. Acesso em: 3 may. 2024.