Sha, J.-G. (1993). Trigonioides from Early Cretaceous Hekou Formation of Hekou Basin, Ninghua, Fujian, China, with special remarks on classification of Trigonioididae. Acta Palaeontologica Sinica. 32(3): 285-302.
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Sha, J.-G.
1993
<em>Trigonioides</em> from Early Cretaceous Hekou Formation of Hekou Basin, Ninghua, Fujian, China, with special remarks on classification of Trigonioididae