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Ordovician algae gallery

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Ischadites is a receptalculitid alga reported only from Ordovician rocks in Oklahoma.

Algae fossil
Algae fossil
Ischadites iowensisOPC 3252-14019; Ischadites iowensis (Owen 1852) emend. Decker and Merritt 1931; Algae; Middle Ordovician; Bromide Formation, Simpson Group; Murray County, Oklahoma; CC BY-NC-ND 4.0

Ischadites iowensis

CC BY-NC-ND 4.0