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Arcellites pentagonalis
Taxonomy
Arcellites pentagonalis was named by Villar de Seoane and Archangelsky (2008) [Dimensions. Spore body diameter, 240 (253) 260 mm; width of lumina, 85 (92) 100 mm; appendages: length, 260 (285) 294 mm; thickness, 35 (40) 49 mm.]. It is not extant. Its type locality is Bajo de La ComisiĆ³n, which is in an Albian delta plain sandstone/shale in the Kachaike Formation of Argentina.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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2008 | Arcellites pentagonalis 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 pentagonalis 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 and six large, distally expanded appendages. Diameter of body up to 260 mm. Reticulum of pentagonal lumina bearing short appendages at each angle of the polygon. Trilete laesura not visible. |