Xiphosura facts for kids
Temporal range: Silurian – Recent
|Horseshoe crab (Limulus polyphemus)|
Although the name Merostomata is still seen in textbooks, without reference to the Eurypterida, some have urged that this usage should be discouraged. The shared features of the two groups traditionally grouped in the Merostomata are now thought to be retentions of primitive conditions (symplesiomorphies).
Images for kids
Mesolimulus from the Solnhofen limestone
Xiphosura Facts for Kids. Kiddle Encyclopedia.