Blysmatodinium argoi, McMinn, 1992

Holotype: McMinn, 1992, pl.3, fig.1-3
Locus typicus: Leg 123, site 765, North of Port Hedland (Australia), Eastern Indian Ocean
Stratum typicum: Late Miocene-Pliocene

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Original description: [McMinn, 1992, p. 424, 434]:

Diagnosis:
Small cavate cyst composed of an endophragm and periphragm. Periphragm forms into numerous nontabular blisters.

Description:
Small cyst composed of a 1 µm - thick, smooth endophragm and a <1 µm - thick periphragm. Periphragm is formed into numerous, apparently nontabular, low blisters up to 4 µm high. On the dorsal surface, these are possible aligned parallel to the cingulum.
Archaeopyle is apical type tA; operculum is detached.

Dimensions:
Length 26(28)30 µm, length 24(26)28 µm. Five specimens measured.