Talk:Pseudorthocerida

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Extant?[edit]

According to this this order is still extant? I was unaware of this, but am curious as to what living members belong to it. — Preceding unsigned comment added by 2601:601:600:6726:41B7:27FC:ADC3:147F (talk) 08:41, 19 December 2015 (UTC)[reply]