Definitions

Postorbital spine

• See: Carapace spine e   [Martin, 2005]
• Spine situated near the orbital margin posterior to the antennal spine (Fig. 2A). [Perez Farfante and Kensley, 1997]
• The hindmost spine or tooth on the orbital margin in the Oxyrhyncha. [Ingle, 1983]
• See: Carapace spines e   [McLaughlin, 1980]
• In shrimp-like (natantian) decapod, anteriorly directed, spine-like projection somewhat behind orbit on each side of carapace. [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