Definitions

Ocular scale

• Articulating plate attached mesially on eyestalks (some Anomura, Stomatopoda). [Poore, 2004]
• Scale-like structure located on basal segment of eyestalk (Fig. 3A). [Perez Farfante and Kensley, 1997]
• One of two small, dorsally directed projections of last plate (postocular plate) of acron. [Stachowitsch, 1992]
• (Taxon-specific: Class Secernentea) Scale- or spine-shaped structure projecting from base of each eye-stalk (ocular peduncle); tip may cover ocular peduncle dorsally.
  (syn. basal scale) [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: 3 Nov 2025. URL: https://research.nhm.org/glossary