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Promathilda (Promathilda) alia
Taxonomy
Promathilda (Promathilda) alia was named by Haas (1953). Its type specimen is AMNH 27156:4 and is a 3D body fossil. Its type locality is Cerro de Pasco area, Ninacaca, loc. 86, which is in a Rhaetian marine limestone in Peru.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Promathilda (Promathilda) alia Haas p. 190 figs. Pl 12, figs 17,21,24,26,27,31-34 |
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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.
†Promathilda (Promathilda) alia Haas 1953
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 28 | 3.88 | 1.57 | 13.8 | 3.40 | 3.01 |
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||