Cypridina

Ostracode

Upper Cretaceous-Recent

Cypridina is distinguished by a thin, featureless, ovate carapace (approximately 1.5 mm in length). This ostracode is a marine, pelagic filter feeder, thriving in nutrient-rich waters associated with upwelling. The projection at the anterior of the carapace encloses elongated front limbs adapted for swimming. It has two stalked, compound eyes and a median simple eye.

Emiliana

Coccolithophorid Cenozoic-Recent

The most common coccolithophore in the modern oceans. The coccosphere is about 5 |lm across.

Cypris

Ostracode

Jurassic?/Pleistocene -Recent

Cypris lives in freshwater environments, particularly ponds. Most freshwater ostracodes have a smooth carapace. In Cypris the carapace is thin, smooth, and relatively large (2.5 mm in length). The hinge mechanism is simple and eye spots are absent.

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