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Amecystis nanus
Taxonomy
Amecystis nanus was named by Guensburg (1984). Its type specimen is UI X-5871 and is a 3D body fossil.
Synonymy list
Year | Name and author |
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1984 | Amecystis nanus Guensburg pp. 62 - 63 figs. Plate 13, figures 1-5; Text-figure 15 |
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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.
†Amecystis nanus Guensburg 1984
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Diagnosis
Reference | Diagnosis | |
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T. E. Guensburg 1984 | A species of Amecystis Ulrich and Kirk, 1921, characterized by a small, flattened, evenly sagittate theca; proximal lobes evenly rounded, formed principally by Bl, B4; thecal plates thin, smooth; dorsal RR, OO small, compressed distally with L2 not articulating with R3; Rl and R3 smaU, in contact, R2 not contacting 03; outer proximal stem columnals with short spinose projections. |