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Machaeracanthus
Taxonomy
Machaeracanthus was named by Newberry (1857) [Sepkoski's age data: D Gedi-l D Fras-l Sepkoski's reference number: 455,645]. It is not extant.
It was assigned to Ichthyodorulites by Hay (1902); to Acanthoessidae by Jordan (1963); to Acanthodii by Denison (1979); to Acanthodii by Sepkoski (2002); and to Machaeracanthidae by Burrow and Elliott (2023).
It was assigned to Ichthyodorulites by Hay (1902); to Acanthoessidae by Jordan (1963); to Acanthodii by Denison (1979); to Acanthodii by Sepkoski (2002); and to Machaeracanthidae by Burrow and Elliott (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Machaeracanthus Newberry |
| 1902 | Machaeracanthus Hay p. 331 |
| 1963 | Machaeracanthus Jordan p. 591 |
| 1979 | Machaeracanthus Denison |
| 2002 | Machaeracanthus Sepkoski |
| 2023 | Machaeracanthus Burrow and Elliott p. 5 figs. Fig. 3D, E |
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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. †Machaeracanthus Newberry 1857
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†Machaeracanthus archiaci Rouault 1858
†Machaeracanthus bohemicus Barrande 1872
†Machaeracanthus kayseri Kegel 1913
†Machaeracanthus larteti Rouault 1858
†Machaeracanthus longaevus Eastman 1907
†Machaeracanthus major Newberry 1857
†Machaeracanthus peracutus Newberry 1857
†Machaeracanthus polonicus Gurich 1901
†Machaeracanthus retusus Wells 1940
†Machaeracanthus sulcatus Newberry 1857
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class, subp = subphylum | |||||
| References: Carroll 1988, Whittington et al. 1997, Aberhan et al. 2004 | |||||
Age range: base of the Lochkovian to the top of the Givetian or 419.20000 to 382.70000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lochkovian | Czech Republic | M. bohemicus (231818) | |
| Early/Lower Devonian | Antarctica | M. kayseri (35567) M. sp. (35564) | |
| Early/Lower Devonian | USA (Nevada) | M. sp. (216488 216489) | |
| Pragian | Morocco | M. sp. (208258 208259 208261) | |
| Early/Lower Emsian | Morocco | M. peracutus (150334 150360 150361 150365) M. sp., M. peracutus (150363) | |
| Early/Lower Emsian | Germany | M. peracutus (74300) | |
| Early/Lower Emsian | Germany (Gemuenden) | M. sp. (26903) | |
| Emsian | USA (Wyoming) | M. minor (26176) | |
| Emsian - Eifelian | Brazil (Piaui) | M. sp. (37126) | |
| Late/Upper Emsian | USA (California) | M. sp. (206449) | |
| Eifelian | Brazil (Para) | M. sp. (37137) | |
| Givetian | USA (Michigan) | M. sp. (238762 238765) |