Definitions

Areola

• Area between branchiocardiac grooves and posterior to cervical groove on dorsal surface of carapace (Astacidea and Austroastacidea). [McLaughlin, 1980]
• Dorsomedial area (usually hourglass-shaped) of thoracic region of carapace of crayfishes, bounded laterally by paired arched (branchiocardiac) grooves delineating dorsomedial limits of gill chamber (see Fig. 14). [Hobbs and Jass, 1988]
• See "Cardiac region". [Chace and Hobbs, 1969]
• The dorsomedian area of the thoracic part of the carapace of crayfishes, bound laterally by paired arched (branchiocardiac) grooves. [Hobbs, Hobbs, and Daniel 1977]
• (Taxon-specific: Order Decapoda) On dorsal surface of carapace, area between two longitudinal branchiocardiac grooves and posterior to transverse cervical groove. [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: 21 Nov 2024. URL: https://research.nhm.org/glossary