Clark, A. H. (1921). Report on the crinoids collected by the Barbados-Antigua Expedition from the University of Iowa in 1918. <em>Univ. Iowa Studies in Nat. Hist.</em> 9(5):1-28., available online athttps://archive.org/stream/universityofiowa09univ#page/n457/mode/2up page(s): 115-118; pl. 2: figs 1-2 [details]
Kroh, A.; Mooi, R. (2025). World Echinoidea Database. Pseudoboletia occidentalis H.L. Clark, 1921. Accessed at: https://www.marinespecies.org/Echinoidea/aphia.php?p=taxdetails&id=513502 on 2025-06-05
original descriptionClark, A. H. (1921). Report on the crinoids collected by the Barbados-Antigua Expedition from the University of Iowa in 1918. <em>Univ. Iowa Studies in Nat. Hist.</em> 9(5):1-28., available online athttps://archive.org/stream/universityofiowa09univ#page/n457/mode/2up page(s): 115-118; pl. 2: figs 1-2 [details]
basis of recordMortensen, T. (1943). A Monograph of the Echinoidea. III, 2. Camarodonta. I. Orthopsidæ, Glyphocyphidæ, Temnopleuridæ and Toxopneustidæ. vii+553 pp., C. A. Reitzel, Copenhagen. page(s): 538-540 [details]
Present Inaccurate Introduced: alien Containing type locality