The rostrum has 2-3 lateral spines, but no spines on the lower edge.
The two lateral spines are flattened and thicker.
Radiographs of the women's lateral thoracic and lumbar spine were taken in a standardised manner.
Two lateral ungual spines project proximally from the apical tuft.
These scales, also called denticles, are similar in structure to teeth, and have one median spine and two lateral spines.
Eggs of S. mansoni are approximately 140 by 60 m in size, and have a lateral spine.
Lamina is long, almost circular, with numerous lateral spines.
This distinguishes it from other crabs in the family Portunidae, which often have elongated lateral spines.
There are no caudal or lateral spines.
Very long caudal spine and strong lateral spines.