Foraminifera

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Light micrograph of the foraminifera Peneroplis pertusus. "Forams" are single-celled marine animals dating back to the Cambrian period. Distant cousins of amoebae, their calcium carbonate shells grow in spirals, one chamber at a time as the organism grows larger.

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Size: 4200px × 2839px
Photo credit: © Eric Grave / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., calcium, foram, foraminifera, light, lm, micrograph, micrographs, peneroplis, pertusus, shell, shells, unicellular