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Acadagnostus
Taxonomy
Acadagnostus was named by Kobayashi (1939) [Sepkoski's age data: ].
It was synonymized subjectively with Peronopsis by Robison (1995), Jell and Adrain (2002).
It was assigned to Peronopseinae by Harrington and Leanza (1957); to Diplagnostidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
It was synonymized subjectively with Peronopsis by Robison (1995), Jell and Adrain (2002).
It was assigned to Peronopseinae by Harrington and Leanza (1957); to Diplagnostidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Acadagnostus Kobayashi |
| 1957 | Acadagnostus Harrington and Leanza |
| 1997 | Acadagnostus Whittington et al. p. 362 |
| 2002 | Acadagnostus 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. †Acadagnostus Kobayashi 1939
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†Acadagnostus acadica Hartt 1868
†Acadagnostus argentinus Harrington and Leanza 1957
†Acadagnostus syrma Opik 1979
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| References: Kiessling 2004, Hendy 2009 | |||||
Age range: base of the Middle Cambrian to the top of the Tremadoc or 506.50000 to 477.10000 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Delamaran | USA (Utah) | Peronopsis acadica (10566) | |
| Amgan | Czechia (Bohemia) | A. fallax (67708 67738) | |
| Solvan | Spain (Zaragoza) | Peronopsis acadica (203131) | |
| Middle Cambrian | Greenland | Peronopsis fallax (10484) | |
| Middle Cambrian | India | Peronopsis acadica (114668 114669 114673 114675) | |
| St Davids | India (Jammu and Kashmir) | A. scutalis, A. sp., A. acadicus (46500) | |
| Arcadian | Canada (New Brunswick) | Peronopsis acadica (64540) | |
| Floran | Australia (Northern Territory) | A. sp. (225075) | |
| Floran | Australia (Queensland) | Pseudoperonopsis syrma (225175) | |
| Menevian | USA (Utah) | Peronopsis acadica (10567) | |
| Menevian | Spain (Zaragoza) | Peronopsis acadica (192403) | |
| Menevian | Sweden (Scania) | A. sp. 1, A. sp. 2, A. acadicus (179691) | |
| Marjumian | USA (Utah) | Peronopsis acadica (230679 230682) | |
| Wangcunian | China (Henan) | Pseudoperonopsis syrma (127075) | |
| Tremadoc | Argentina (Salta) | A. argentinus (115783) |