Definitions

Lobe

• One of four (two anteromedian and two anterolateral = lateral) extension of anterior (antennulary) part of head (cephalon). Anteromedian lobes occasionally termed rostral plate. Configuration of lobes is of taxonomic importance. [Stachowitsch, 1992]
• Type of valve sculpture: rounded, major protuberance. According to position one may distinguish, e.g., anterior, median, and posterior lobes (designated L1, L2, and L3). Typically separated by grooves (sulci). Also refers to lobes of appendages. [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: 31 Mar 2025. URL: https://research.nhm.org/glossary