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Cavellina symmetrica
Taxonomy
Cytherella symmetrica was named by Alexander (1934). It is not extant. Its type locality is Station 21, tributary of Tehuacana Creek, which is in a Danian/Selandian marginal marine claystone in the Wills Point Formation of Texas.
It was recombined as Cavellina symmetrica by Jung Echols and Creath (1959).
It was recombined as Cavellina symmetrica by Jung Echols and Creath (1959).
Sister species lacking formal opinion data