Term Name:	dinoflagellate sulcal notch
Synonyms:	dinoflagellate sulcus notch, sulcal notch
Definition:	A dinoflagellate sulcus that extends all the way to the posterior end of the cell (also known as antapex). The presence of a sulcal notch makes the dinoflagellate hypocone appear bilobed.
Ontology:	GO: Cellular Component [GO:0097618]    QuickGO    AmiGO