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Haliomma beroes
Ehrenberg, 1854
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Description - Add description
Cortical shell thin walled, three times as broad as the medullary shell, with irregular, roundish pores, twice to four times as broad as the bars. Inner shell with regular, circular pores, twice as broad as the bars. Both shells connected by four (or six?) radial beams, perpendicularly crossed. 30-40 radial spines, conical, thin, shorter than the radius.
Dimensions:
Diameter of the outer shell 0.11, inner 0.04; outer pores 0.007 to 0.012, inner 0.005; length of the spines 0.03, basal braedth 0.005. | | Haeckel 1887 |
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