Ezhova, Olga V.; Malakhov, Vladimir V.; Martynov, Alexander V. (2016-05-14). "Madreporites of Ophiuroidea: are they phylogenetically informative?". Zoomorphology. 135 (3). Springer Science and Business Media LLC: 333–350. doi:10.1007/s00435-016-0315-x. ISSN0720-213X. S2CID253980407.
Ezhova, Olga V.; Malakhov, Vladimir V.; Martynov, Alexander V. (2016-05-14). "Madreporites of Ophiuroidea: are they phylogenetically informative?". Zoomorphology. 135 (3). Springer Science and Business Media LLC: 333–350. doi:10.1007/s00435-016-0315-x. ISSN0720-213X. S2CID253980407.
Ezhova, Olga V.; Malakhov, Vladimir V.; Martynov, Alexander V. (2016-05-14). "Madreporites of Ophiuroidea: are they phylogenetically informative?". Zoomorphology. 135 (3). Springer Science and Business Media LLC: 333–350. doi:10.1007/s00435-016-0315-x. ISSN0720-213X. S2CID253980407.