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Gonioloboceras (Milleroceras)
Taxonomy
Milleroceras was named by Hyatt (1900).
It was reranked as Gonioloboceras (Milleroceras) by Librovitch (1940).
It was assigned to Gonioloboceratidae by Plummer and Scott (1937); and to Gonioloboceras by Librovitch (1940).
It was reranked as Gonioloboceras (Milleroceras) by Librovitch (1940).
It was assigned to Gonioloboceratidae by Plummer and Scott (1937); and to Gonioloboceras by Librovitch (1940).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Milleroceras Hyatt |
| 1937 | Milleroceras Plummer and Scott p. 329 |
| 1940 | Gonioloboceras (Milleroceras) Librovitch |
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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.
Subg. †Gonioloboceras (Milleroceras) Hyatt 1900
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†Milleroceras parrishi Miller and Gurley 1896
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 9.49 | 9.00 | 10.0 | 9.50 | 0.707 | |
| shell diameter | 2 | 16.9 | 16.0 | 17.8 | 16.9 | 1.27 | |
| shell inflation | 2 | 3.29 | 3.00 | 3.60 | 3.30 | 0.424 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Kasimovian to the top of the Gzhelian or 307.00000 to 298.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kasimovian | USA (Illinois) | Goniatites parrishi (131564) | |
| Gzhelian | USA (Texas) | Milleroceras parrishi (128622) |