| 1966 Eucecryphalus sp. - Benson p. 450-452; pl. 30, figs. 6-7 | | 1971 Eucecryphalus sp. - Casey pl. 23.2, figs. 14-15 | | 1983 Eucecryphalus(?) sp. - Benson p. 503 | | 1987 Eucecryphalus sp. - Boltovskoy and Riedel p. 100; pl. 4, fig. 28 | | 1991 Eucecryphalus clinatus - Takahashi p. 111; pl. 35, figs. 1-2 |
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