Definitions

Preischium

• Segment of endopod between protopod and ischium, rarely present. [McLaughlin, 1980]
• (Taxon-specific: Order Mysida) In inner branch (endopod) of thoracopod, segment between basis and ischium. [Stachowitsch, 1992]
• (Taxon-specific: Superorder Syncarida) First of basically six segments (preischium, ischium, merus, carpus, propodus, dactylus) of inner branch (endopod) of thoracopod. Located between basis and ischium and may be variously fused with basis. [Stachowitsch, 1992]

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Citing this glossary: For individual definitions, please cite the specific author(s) of the definition.
To cite the glossary as a whole, please use:
Martin, J.W., N.D. Pentcheff, D. Striley, C. Perrodin, A.R. Wall, J. Wall, and J. Zieba (editors). Crustacea Glossary. Crustacea Department, Natural History Museum of Los Angeles County. Accessed: 8 Nov 2024. URL: https://research.nhm.org/glossary