- lower submedian spine
- Lateral spine of carapace, between submedian and hepatic spines of Mesocrangon muntinella [Butler, T.H.].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.
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carapace grooves — (Order Decapoda): (a) antennal. Extending posteriorly from vicinity of antennal spine. (b) branchiocardiac. Oblique groove approximately in middle of posterior half on each side of carapace, separating branchial and cardiac regions and reaching… … Crustacea glossary