Assertion: lizard's rib | /r/CapableOf | form a sort of exoskeleton
Facets:
value: around the body
type: LOCATION
value: in the early tetrapods
type: TEMPORAL
Source sentences:
text: In the early tetrapods, the gastralia and ribs with uncinate processes, together with bony elements such as bony plates in the skin (osteoderms) and clavicles (collar bone), would have formed a sort of exoskeleton around the body, protecting the belly and helping to hold in the guts and inner organs.