Another word for shared derived character is synapomorphy.

共享派生字符的另一个词是 synapomorphy。

The sale of Spinosaurus and Oranosaurus is something called a convergent feature rather than a shared, derived character.

棘龙和冠龙的出售是一种被称为趋同特征的东西，而不是共享的衍生特征。

What is a shared derived character or synapomorphy of pachycephalosaurs?

什么是厚头龙的共同衍生特征或联结形态？

The frill and pointed beak are each a shared derived character of all the ceratopsians.

褶边和尖嘴是所有角龙类的共同衍生特征。

The nasal horn is a synapomorphy or shared derived character of the ceratopsid clade.

鼻角是角龙类进化枝的突触形态或共有的衍生特征。

The hollow crest of the Lambeosaurine Hadrosaurs is something we can call a shared derived character.

Lambeosaurine 鸭嘴龙的空心冠是我们可以称之为共享衍生特征的东西。

Horns on the face are a shared derived character of a subset of the ceratopsians, Chasmosaurus, Triceratops, Styracosaurus, and Centrosaurus.

脸上的角是角龙、开角龙、三角龙、戟龙和尖角龙的一个子集的共同衍生特征。

If we're trying to group and classify groups of dinosaurs, we might think that having a sail was a shared derived character.

如果我们试图对恐龙群体进行分组和分类，我们可能会认为拥有帆是一个共享的派生特征。

What is a shared derived character of the circle that includes the ankylosaur, ceratopsian and hadrosaurs but not the theropod?

包括甲龙、角龙和鸭嘴龙但不包括兽脚类动物的圆圈的共同衍生特征是什么？

So we've drawn circles around different groups of dinosaurs, allowing us to focus in on species with certain shared derived characters or synaphomorphies.

因此，我们在不同的恐龙群体周围画了圈，让我们能够专注于具有某些共享衍生特征或共生特征的物种。

A shared derived character is a feature that is present in two or more species and their common ancestor, but not more distant relatives.

共享衍生特征是存在于两个或多个物种及其共同祖先中的特征，但不存在于更远亲中。

In order for the sail to have been a shared derived character, it would have had to have been present in the common ancestor of all dinosaurs and then lost, possibly hundreds of times, in everything, except Spinosaurus, and Ouranosaurus.

为了使帆成为一个共享的派生特征，它必须存在于所有恐龙的共同祖先中，然后在除棘龙和大王龙之外的所有恐龙中丢失，可能数百次。