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Taxa named by Richard Owen | HearLore
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Taxa named by Richard Owen
DiprotodontiaThe defining feature of this entire order is a pair of large, forward-slanting incisors on the lower jaw, a trait so distinctive it gave the group its name…
AcanthodiiThe earliest unequivocal fossils of these creatures date from the beginning of the Silurian Period, some 50 million years before the first sharks appeared.