释义 |
preheterocercal, a. Ichth.|priːhɛtərəʊˈsɜːkəl| [pre- B. 1.] Preceding the heterocercal: a supposed stage in the development of the tail in fishes.
1900Nature 20 Sept. 506/1 The supposition that it represents the original ‘protocercal’ or preheterocercal stage. |