ediacaria造句

• "Ediacaria " is possibly a synonym for " Aspidella terranovica " described in 1872.
• One possible Ediacaran survivor whose status is still open to scrutiny is " Ediacaria booleyi ", a purported holdfast structure known from the " upper"
• "Ediacaria " was often classified as a jellyfish ( a Scyphozoan Cnidarian ), and has also been interpreted in many of the categories postulated to house the Ediacaran biota.
• Although " Ediacaria " is one of the first described organisms from the Precambrian, " Aspidella " was described earlier, although its age was not understood to be Precambrian.
• For example, " Spriggia " and " Ediacaria " appear to be remains of the same animals, only that the former was fossilized in more compact, fine-grained clay, whereas the latter is known from rocks that originally were predominantly sandy sediment.
• As " Aspidella " is apparently a form taxon, " Ediacaria " may yet be valid and denote one specific genus among several that seem to make up " Aspidella " . " Spriggina wadea " is quite likely a synonym of " Ediacaria " ( and consequently, possibly " Aspidella " ); the differences seem to be merely due to different substrate in which the animals were embedded . ( Gehling " et al . " 2000)
• As " Aspidella " is apparently a form taxon, " Ediacaria " may yet be valid and denote one specific genus among several that seem to make up " Aspidella " . " Spriggina wadea " is quite likely a synonym of " Ediacaria " ( and consequently, possibly " Aspidella " ); the differences seem to be merely due to different substrate in which the animals were embedded . ( Gehling " et al . " 2000)