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Science 23 August 1968:
Vol. 161. no. 3843, pp. 808 - 809
DOI: 10.1126/science.161.3843.808
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Articles

Frontal Muscle Scars of Trachyleberidinae and Hemicytherinae (Ostracoda)

Raymond N. Smith 1

1 Department of Earth and Space Sciences, State University of New York, Stony Brook 11790

One transverse and one mandibular muscle form the frontal scars on each valve in both the trachyleberines and hemicytherines. Bifurcation of the transverse muscle into anterior-posterior bundles (trachyleberine) and into dorsal-ventral bundles (hemicytherine) and mandibular muscle position account for the different frontal scar patterns observed.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)