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Heteromychus
Taxonomy
Heteromychus was named by Cooper (1989) [Sepkoski's age data: J Bath-u J Call-l Sepkoski's reference number: 877]. It is not extant. Its type is Heteromychus magnificus.
It was assigned to Rhynchonellida by Sepkoski (2002); and to Septirhynchiidae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Septirhynchiidae by Williams et al. (2002).
Species
H. magnificus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Heteromychus Cooper |
| 2002 | Heteromychus Sepkoski |
| 2002 | Heteromychus Williams et al. p. 1369 |
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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.
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 28.7 | 25.0 | 33.0 | 29.0 | 5.66 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bathonian | Saudi Arabia | H. sp., H. magnificus (98842) | |
| Callovian | Saudi Arabia | H. magnificus (98722 98725 98843) | |
| Early/Lower Callovian | Saudi Arabia | H. magnificus (141398 141399 141419) |