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Shenzianyuloma yunnanense
Taxonomy
Shenzianyuloma yunnanense was named by McMenamin (2019). Its type specimen is IGM 5008 and is a 3D body fossil. Its type locality is Shankou Village [Maotianshan Shale], which is in an Atdabanian prodelta mudstone in the Maotianshan Shale Formation of China. It is the type species of Shenzianyuloma.
Synonymy list
Year | Name and author |
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2019 | Shenzianyuloma yunnanense McMenamin p. 21 |
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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.
†Shenzianyuloma yunnanense McMenamin 2019
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Diagnosis
Reference | Diagnosis | |
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M. A. S. McMenamin 2019 | Vetulicolian with a body divided into a broad, laterally flattened anterior section and relatively narrow posterior or tail region. The anterior section is divided into a relatively smooth dorsal part with a denticulate dorsal fin and a segmented or partitioned ventral part. The dorsal fin has a thin ridge that parallels the base of the fin. A wedge beak occurs at the anterior junction of the dorsal and ventral parts. Five gill structures with filaments occur between the dorsal and ventral parts of the anterior section. The dorsal and ventral parts of the anterior section have approximately similar (but inverted relative to one another) profiles. The unsegmented posterior or tail region develops a notochord, a gut trace with diverticula, and at least seven myomeres. The posterior tip of the tail region is unknown. |
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Bambach et al. 2007 |
Age range: Atdabanian or 520.00000 to 516.00000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Atdabanian | China (Yunnan) | Shenzianyuloma yunnanense (type locality: 68567) |