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Arcellites humilis
Discussion
Type locality and stratigraphic horizon. Lake Cardiel, 6 specimens: Residue 26/04-PCB3, 4; Residue 29/04-PCB5, 2; Albian (and Early Cenomanian?).
Taxonomy
Arcellites humilis was named by Villar de Seoane and Archangelsky (2008). It is not extant. Its type locality is Lake Cardiel-Cerro Bayo, which is in an Albian/Cenomanian marine sandstone/mudstone in the Piedra Clavada Formation of Argentina.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Arcellites humilis Villar de Seoane and Archangelsky |
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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.
†Arcellites humilis Villar de Seoane and Archangelsky 2008
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. Villar de Seoane and S. Archangelsky 2008 | Megaspore with spherical body, 12e14 short appendages and a large acrolamella on proximal face. Diameter of body up to 225 mm. Body exine slightly verrucate. Appendages with expanded extremities and smooth exine. Trilete laesura not visible. |