ostracod's Usage Examples:

The life of the land waters was also noteworthy, especially for the great deployment of what may be called the crustacean-ostracodermo-vertebrate group.

Also, I found some ostracods, about 1½ millimeter long.

ostracod faunas as palaeoenvironmental indicators in marginal marine environments.

Ostracoderms >>Recent shallow marine ostracods from high latitudes: implications for late Pliocene and Quaternary paleoclimatology.

Murray and Renard define globigerina ooze as containing at least 30% of calcium carbonate, in which the remains of pelagic (not benthonic) foraminifera predominate and in which remains of pelagic mollusca such as pteropods and heteropods, ostracodes and also coccoliths (minute calcareous algae) may also occur.

ostracod shell is about 500 million years old.

The crustacea were represented by eurypterids, the ostracoderms by numerous strange, vertebrate-like forms (Cephalaspis, Gyathaspis, Trematopsis, Bothriolepss, 'c.

Content Emphasis is placed on both marine and non-marine ostracods and their application to Quaternary research.