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Atlantodinium
Taxonomy
Atlantodinium was named by Zotto et al. (1987). It was considered monophyletic by Zotto et al. (1987).
It was assigned to Gonyaulacaceae by Zotto et al. (1987).
It was assigned to Gonyaulacaceae by Zotto et al. (1987).
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Atlantodinium Zotto et al. p. 202 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Atlantodinium Zotto et al. 1987
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Zotto et al. 1987 | : Proximochorate-septate dinoflagellate cysts with subpolygonal outline in dorsoventral compression. Cingulum well-developed and displaced approximately one cingulum-width adjacent the sulcus. Sulcus well-developed and more-or-less straight. Cyst wall very thin, less than 0.5 Mum in thickness; it is evenly and finely perforate; the perforations penetrate the entire cyst wall. Cyst wall one- or two-layered; if multilayered, then without pericoels. Tabulation is well-developed on the cyst, and is expressed by low-lying alveolate penitabular septa which define plates with sharply polygonal outlines. Cingulum expressed by transversely elongated rectangular plates. Sulcus is wedge-shaped and constructed of four plates. Cyst tabulation formula gonyaulacacean with sexiform hypocystal configuration. Archeopyle apical, with deep accessory sutures developed in the dorsal precingular series. Operculum free. Discrete positive ornamentation lacking. |
Measurements
No measurements are available
No ecological data are available
Collections
No collection or age range data are available