| 释义 |
homocercal, a. Ichthyol.|hɒməʊˈsɜːkəl|
[f. as prec. + -al1.]
Having the lobes of the tail equal; having a symmetrical tail. Also said of the tail. Opp. to heterocercal.
1838Penny Cycl. XII. 191/1 In and above that [oolitic] system Homocercal forms appear. 1849Murchison Siluria xiii. 342 All other species now living..have homocercal tails. 1880Nature XXI. 430 The diphycercal tail is a more primitive..form than the heterocercal, of which the modern homocercal is a further specialisation.
So ˈhomocercy |-sɜːsɪ|, homocercal condition.
1881in Worcester Suppl. |