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Haplobrancoceras subquadratum
Taxonomy
Haplobrancoceras subquadratum was named by Avram (1990). It is a 3D body fossil. It is the type species of Haplobrancoceras.
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Haplobrancoceras subquadratum Avram |
| 2025 | Haplobrancoceras subquadratum Benzaggagh p. 13 figs. 8Q-T |
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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.
†Haplobrancoceras subquadratum Avram 1990
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 7.86 | 7.00 | 8.50 | 8.00 | 0.629 | |
| shell diameter | 4 | 22.1 | 19.0 | 25.0 | 22.5 | 2.50 | |
| shell inflation | 4 | 8.86 | 7.00 | 11.0 | 9.00 | 1.83 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Barremian or 125.77000 to 121.40000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Barremian | Spain (Murcia) | Haplobrancoceras subquadratum (2304 2320 2326 2328 2333 2334 2335 2336 2376) | |
| Barremian | Spain (Granada) | Haplobrancoceras subquadratum (2285 2290 2292 2298 2300) | |
| Early/Lower Barremian | Morocco | Haplobrancoceras subquadratum (240072) | |
| Late/Upper Barremian | Morocco | Haplobrancoceras subquadratum (240076) |