Assertion: devonian cephalopod | /r/CapableOf | differ by account of their small size
Facets:
value: from their descendants
type: OTHER
Source sentences:
text: Cambrian cephalopods differ from their descendants by account of their small size (a few centimetres in length); long, tapering shells; smooth shell surfaces; closely spaced septa; and lack of deposits in their body chamber; several more specific features are also only seen in certain groups of Cambrian cephalopod.