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Acrospira cristata
Taxonomy
Acrospira cristata was named by Batten (1985). Its type specimen is AMNH 42819 and 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. It is the type species of Acrospira.
Synonymy list
| Year | Name and author |
|---|---|
| 1985 | Acrospira cristata Batten p. 18 fig. 23 |
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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.
†Acrospira cristata Batten 1985
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 4.24 | 3.90 | 4.60 | 4.25 | 0.495 | |
| shell diameter | 2 | 2.44 | 2.20 | 2.70 | 2.45 | 0.354 |
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| Source: superf = superfamily, o = order | |||||
| Reference: Bambach et al. 2007 | |||||