Citation: Arpyloraceae Sarjeant 1978b.
Diagnosis: Dinoflagellates in which there are three episomal series of plates and two hyposomal series. The archeopyle is of the disintegration type and may involve all plates anterior to the precingular series. Type genus: Arpylorus Calandra 1964; Silurian (Ludlow).
Arpylorus Calandra 1964; Silurian (Ludlow).
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