Baranov, V. V. (1980). Morphologia crur i novye taksony rinkhonellid [Morphology of crura and new taxa of rhynchonellids]. Paleontologicheskii zhurnal. 1980(4): 75–90.
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Baranov, V. V.
1980
Morphologia crur i novye taksony rinkhonellid [Morphology of crura and new taxa of rhynchonellids]