Annandale, N. “Materials for a Revision of the Phylactolaematous Polyzoa of India”. Records of the Zoological Survey of India 5, no. 1 (January 1, 1910): 37–57. Accessed September 20, 2024. https://recordsofzsiojs.sscldl.in/index.php/zsoi/article/view/163758.