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. The type material of Cylindroporella sugdeni Elliott, 1957, isrevised. The total lack of sterile laterals and consequently the absence ofthe diagnostic feature of the genus Cylindroporella, i.e., thealternation of sterile and fertile laterals within the same whorl, leads toits exclusion from the genus Cylindroporella Johnson, 1954, and toits ascription to the genus Holosporella Pia, 1930. Recentstratigraphic investigations suggest that the stratum typicum originallyreported as Early Cretaceous in age is more precisely Hauterivian or possiblyEarly Barremian in age.

&lt;i&gt;Cylindroporella sugdeni&lt;/i&gt; Elliott, 1957, an Early Cretaceous Middle Eastern Dasycladalean alga – a revision

<i>Cylindroporella sugdeni</i> Elliott, 1957, an Early Cretaceous Middle Eastern Dasycladalean alga – a revision