1848 Dana Zooph. 187Lamellæ unequal, spinoso-dentate. 
Ibid. 229Lamellæ..at apex spinoso-denticulate. 
1852 ― Crust. i. 101Arm and carpus..spinoso-tubercular. 
Ibid. 114Third and fourth joints spinoso-tuberculate. 
spinoso-
combining form 
Etymology: spinose + -o- 
 : spinose and 
< spinosodentate >
< spinosodentate >