Carapaces sentence example
- In this genus ten free somites (mesosoma) occur between the prosomatic and metasomatic carapaces.
- In none of them are the appendages known, but in the form of the two carapaces and the presence of free somites they are distinctly intermediate between Limulus and the Trilobitae.
- In some lines these scales fused to form bony carapaces.
- A, Youngest stage with no mesosomatic somites; B and C, stages with two mesosomatic somites between the prosomatic and telsonic carapaces; D, adult condition, still with only two free mesosomatic somites.