| ̷ ̷ ̷ ̷|prīən adjective
or mono·pri·o·nid -ənə̇d ; or mono·pri·o·nid·i·an -|nidēən
Etymology: monoprion from mon- + Greek priōn saw; monoprionid from mon- + Greek priōn + English -id; monoprionidian from mon- + Greek priōn + English -id + -ian — more at prior
: of, relating to, or being graptolites that have cells on one side of the stem only