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Hexameroceras
Taxonomy
Hexameroceras was named by Hyatt (1884) [Sepkoski's age data: S Wenl S Ludl Sepkoski's reference number: 524].
It was assigned to Hemiphragmoceratidae by Teichert et al. (1964); and to Oncoceratida by Sepkoski (2002).
It was assigned to Hemiphragmoceratidae by Teichert et al. (1964); and to Oncoceratida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Hexameroceras Hyatt p. 278 |
| 1964 | Hexameroceras Teichert et al. p. 295 |
| 2002 | Hexameroceras Sepkoski |
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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.
G. †Hexameroceras Hyatt 1884
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Ludfordian to the top of the Pridoli or 425.00000 to 419.62000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Silurian | USA (New York) | H. chadwicki (10456) | |
| Niagaran | USA (Indiana) | H. cacabiforme, H. delphicolum (22818) | |
| Niagaran | USA (Ohio) | H. sp. (475) | |
| Wenlock - Silurian | USA (Wisconsin) | H. septoris (13107) | |
| Ludlow | USA (New York) | H. sp. (76664) | |
| Ludfordian | Czech Republic | H. panderi (233408) | |
| Pridoli | USA (New York) | H. sp. (493 542) | |
| Pridoli | USA (Michigan and Ohio) | H. sp. (492) | |
| Pridoli | Czech Republic | H. sp. (14080 232620) |