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Loxisonia zygopleuroides
Taxonomy
Loxisonia zygopleuroides was named by Batten (1985). It is a 3D body fossil. Its type locality is H.S. Lee Mine No. 8, Kinta Valley near Kampar, which is in a Kungurian shallow subtidal limestone in the H. S. Lee Formation of Malaysia.
Synonymy list
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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.
†Loxisonia zygopleuroides Batten 1985
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Batten 1985 | Shell with smooth, rounded whorls except at the selenizone and upper whorl surface above it which are flattened relative to the rest ofthe whorl; the selenizone is flat to concave with asymmetric lunulae; the selenizone is located higher on the whorl; ornament is strongly developed collabral ribs which are rounded between the suture and the selenizone; the ribs are strongly arcuate on the lower whorl face forming a deep sinus adjacent to the selenizone; ornament absent on the base; siphonal notch short; anomphalus. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 7.96 | 6.00 | 12.0 | 7.00 | 3.21 | |
| shell diameter | 3 | 3.77 | 2.80 | 6.00 | 3.20 | 1.74 |
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||