Assertion: diatom | /r/HasAspect | two orders
Facets:
value: traditionally
type: OTHER
value: commonly
type: TEMPORAL
Source sentences:
text: Diatoms are divided into two Orders.
text: Diatoms are commonly divided into two orders on the basis of symmetry and shape: the round nonmotile Centrales have radial markings; the elongated Pennales, which move with a gliding motion, have pinnate (featherlike) markings.
text: Diatoms are traditionally divided into two orders: centric diatoms (Centrales), which are radially symmetric, and pennate diatoms, which are bilaterally symmetric (Pennales).