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Extinct genus of microconchids
Punctaconchus is a genus of microconchid tubeworms. It was the last genus of microconchids, and the only genus to exist beyond the Triassic. Their tubes
Punctaconchus
Second period of the Mesozoic Era
rare after the Triassic and had become reduced to the single genus Punctaconchus, which became extinct in the late Bathonian. The oldest known diatom
Jurassic
Extinct order of animals
Punctaconchus midfordensis (Richardson, 1907). Bajocian, Clypeus Grit Member, Worgan's Quarry, Gloucestershire, UK.
Microconchida
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