Longitudinal lateral groove defining upper margin of branchiostegite in Anomura [Poore, 2004].
A groove running from behind and forward on either side of the carapace (in Homoloidea, a superfamily of the Section Dromiacea) [Ingle, 1983].
Longitudinal groove or uncalcified line on carapace of many anomuran decapods [Moore and McCormick, 1969].
Longitudinal groove or uncalcified line on carapace of many anomuran decapods [McLaughlin, 1980].
Longitudinal groove or uncalcified line on carapace which may form a hinge; such lines found in various groups, from which come the names [Williams, 1984].
(Order Decapoda):
On carapace of certain decapods, longitudinal groove or uncalcifled line [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.