- Halicalyptra depressa Ehrenberg
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Mikrogeologie: pl. XVIII: fig. 111.
1854.
(no description)
Type locality: USA: Virginia: Richmond
Middle Miocene (Helvetian)
See image Cannopilus depressus (Ehrenberg) S. Locker 1974
See Caryocha depressa (Ehrenberg) D. Bukry & S. Monechi 1985 (T)
[= Haliomma crenatum ? fragm. 1844; first described by Haeckel 1862: 289]
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