| ̷ ̷| ̷ ̷ ̷ ̷|- adjective
Etymology: angusti- + sellate
paleontology : having sutures in which there are a prominent ventral saddle, deep lateral lobes, and deep umbilical saddles — used of a stage in the development of the ammonoid shell
| ̷ ̷| ̷ ̷ ̷ ̷|- adjective
Etymology: angusti- + sellate
paleontology : having sutures in which there are a prominent ventral saddle, deep lateral lobes, and deep umbilical saddles — used of a stage in the development of the ammonoid shell
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012