| 释义 |
coniform /ˈkəʊnɪfɔːm /adjective rareHaving the shape of a cone.In 1982, he demonstrated that the coniform elements of Phakalodus tenuis, a protoconodont, are histologically similar to the grasping spines of the living chaetognath, Sagitta....- It is a markedly asymmetrical, proclined to erect, coniform element that is posterolaterally compressed with two costae; one which is anterolateral and the other postero-lateral to the cusp.
- The coniform elements are laterally compressed with broad cusps that bear thinly keeled posterior and anterior cusp margins and lateral costa on each lateral cusp face.
Origin Late 18th century: from Latin conus 'cone' + -iform. |