Melnikova GK. (1971). New data on the morphology, microstructure and systematics of the Late Triassic Thamnasteroidea [In Russian]. Paleontologičeskij žurnal. 2: 21-35, 2 pls.
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Melnikova GK
1971
New data on the morphology, microstructure and systematics of the Late Triassic Thamnasteroidea [In Russian]