Where does “Echinoidea” come from?

Echinoidea (Translingual) comes from Translingual Echinus, from Latin echīnus, from Ancient Greek ἐχῖνος, from Translingual Cactus, from Latin cactus, from Ancient Greek κάκτος — the cardoon, "Cynara cardunculus"; the artichoke...

Echinoidea (Translingual): class

Definitions

class

Ancestry of “Echinoidea”, step by step

Step	Language	Word	Meaning
1	Translingual	Echinus	genus of sea urchins
2	Latin	echīnus	a sea urchin, especially the edible kind
3	Ancient Greek	ἐχῖνος	hedgehog; sea urchin; shell of a sea urchin
4	Translingual	Cactus	obsolete genus of succulents
5	Latin	cactus	the cardoon, "Cynara cardunculus"
6	Ancient Greek	κάκτος	the cardoon, "Cynara cardunculus"; the artichoke...

Words derived from “Echinoidea”

Euechinoidea
Palaeechinoidea
Acroechinoidea

Every word from Ancient Greek κάκτος →Every word from Latin cactus →Every word from Translingual Cactus →