Early development and coloniality in Oligophylloides from the Devonian of Morocco—Are Heterocorallia Palaeozoic octocorals? Berkowski, Błażej ; Zapalski, Mikołaj K. ; Jarochowska, Emilia ; Alderslade, Phil Abstract Publication: PLoS ONE Pub Date: September 2021 DOI: 10.1371/journal.pone.0257523 Bibcode: 2021PLoSO..1657523B