A single ventral valve of Argyrotheca is the only record to date of the phylum Brachiopoda within the highly diverse and abundant shelly fauna of the Bowden Shell Bed (Bowden Formation, Pliocene) of southeast Jamaica. The valve is compared with A. inconstans, occurring in Pliocene rocks of Cuba.

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Cainozoic research

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David A.T. Harper, & Roger W. Portell. (2002). Argyrotheca (Brachiopoda) from the Pliocene Bowden Shell Bed, parish of St. Thomas, Jamaica. Cainozoic research, 2(1/2), 9–11.