ˌhaləsəˈrīd.(ˌ)ēz, həˌlis- noun
Usage: capitalized
Etymology: New Latin, from hali- + Greek ser is endive + New Latin -ites
: a genus of Old World cretaceous fossil plants of uncertain relationship possibly related to the dicotyledonous genus Fontainea but by some considered thallophytes because of the dichotomous flat leaves