Smith, A. B. & Wright, C. W. 2003. British Cretaceous echinoids. Part 7, Atelostomata, 1. Holasteroida. Monographs of the Palaeontographical Society 156 (619), 440-568.[details]
Kroh, A.; Mooi, R. (2021). World Echinoidea Database. Crassiholaster Smith & Wright, 2003 †. Accessed at: http://www.marinespecies.org/echinoidea/aphia.php?p=taxdetails&id=512750 on 2025-05-07
original descriptionSmith, A. B. & Wright, C. W. 2003. British Cretaceous echinoids. Part 7, Atelostomata, 1. Holasteroida. Monographs of the Palaeontographical Society 156 (619), 440-568.[details]