Myodocopa
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Traditionally, the Myodocopa and Podocopa have been classified as subclasses within the class Ostracoda,[1] although there is some question about how closely related the two groups actually are. The Myodocopa are defined by possession of a poorly calcified carapace, and 8–9 articles in the exopod of the second antenna.[2] The ventral margin of the carapace is not concave, and the valves do not overlap to a great extent.[3]
Although the carapace of myodocopans is poorly calcified, some fossils are known for the group. (In contrast, thousands of fossil species are named for the Podocopa). Of particular interest are those fossils for which the internal body parts (and not just the carapace) are preserved. This provides a lot more information about the likely relatives to the fossil taxa, including relatives still alive today. Two recent fossils of much interest have been found from Silurian deposits (dated at 425 million years ago). These fossils have well preserved internal body parts.[4][5]
References
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- ^ Page Module:Citation/CS1/styles.css has no content.Joel W. Martin & George E. Davis (2001). An Updated Classification of the Recent Crustacea (PDF). Natural History Museum of Los Angeles County. pp. 1–132.
- ^ Page Module:Citation/CS1/styles.css has no content.Louis S. Kornicker (1993). Antarctic and Subantarctic Myodocopina (Ostracoda). Synopses of the Antarctic Benthos. Königstein, Germany: Koeltz Scientific Books. ISBN 978-3-87429-349-5.
- ^ Page Module:Citation/CS1/styles.css has no content.D. J. Horne; A. C. Cohen & K. Martens (2002). "Taxonomy, morphhology and biology of Quaternary and living Ostracoda". In J. Holmes & A. Chivas (eds.). The Ostracoda: Applications in Quaternary Research. AGV Geophysical Monograph Series. Vol. 131. American Geophysical Union. pp. 5–36. ISBN 0-87590-990-6.
- ^ Page Module:Citation/CS1/styles.css has no content.David J. Siveter; Mark D. Sutton; Derek E. G. Briggs & Derek J. Siveter (2003). "An ostracode crustacean with soft parts from the Lower Silurian". Science. 302 (5651): 1749–1751. Bibcode:2003Sci...302.1749S. doi:10.1126/science.1091376. PMID 14657495.
- ^ Page Module:Citation/CS1/styles.css has no content.David J. Siveter; Derek J. Siveter; Mark D. Sutton; Derek E. G. Briggs (2007). "Brood care in a Silurian ostracod". Proceedings of the Royal Society B. 274: 465–469. doi:10.1098/rspb.2006.3756. PMC 1766388. PMID 17476765.
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