Begg, J. G. & Campbell, H. J. ("1985" 1986). Etalia, a new Middle Triassic (Anisian) bivalve from New Zealand, and its relationship with pteriomorphs. New Zealand Journal of Geology and Geophysics. 28: 725-741.
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Begg, J. G. & Campbell, H. J.
"1985" 1986
Etalia, a new Middle Triassic (Anisian) bivalve from New Zealand, and its relationship with pteriomorphs